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Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The earliest signs were simple wooden or stone milestones . Later, signs with directional arms were introduced, for example the fingerposts in the United Kingdom and their wooden counterparts in Saxony .

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86-624: With traffic volumes increasing since the 1930s, many countries have adopted pictorial signs or otherwise simplified and standardized their signs to overcome language barriers, and enhance traffic safety. Such pictorial signs use symbols (often silhouettes) in place of words and are usually based on international protocols. Such signs were first developed in Europe, and have been adopted by most countries to varying degrees. International conventions such as Vienna Convention on Road Signs and Signals and Geneva Convention on Road Traffic have helped to achieve

172-752: A Proto-Celtic form reconstructed as * kwar-is-io -. Alternatively, Pierre-Yves Lambert proposed to translate Parisii as the 'spear people', by connecting the first element to the Old Irish carr ('spear'), derived from an earlier * kwar-sā . In any case, the city's name is not related to the Paris of Greek mythology . Residents of the city are known in English as Parisians and in French as Parisiens ( [paʁizjɛ̃] ). They are also pejoratively called Parigots ( [paʁiɡo] ). The Parisii ,

258-558: A certain distance from the interchange, giving information for each direction. A number of countries do not give information for the road ahead (so-called "pull-through" signs), and only for the directions left and right. Advance directional signs enable drivers to take precautions for the exit (e.g., switch lanes, double check whether this is the correct exit, slow down). They often do not appear on lesser roads, but are normally posted on expressways and motorways, as drivers would be missing exits without them. While each nation has its own system,

344-727: A concept to people who speak many different languages, pictograms have also been used extensively at the Olympics since the 1964 summer games in Tokyo featured designs by Masaru Katsumi. Later Olympic pictograms have been redesigned for each set of games. Pictographic writing as a modernist poetic technique is credited to Ezra Pound , though French surrealists credit the Pacific Northwest American Indians of Alaska who introduced writing, via totem poles , to North America . Contemporary artist Xu Bing created Book from

430-599: A degree of uniformity in traffic signing in various countries. Countries have also unilaterally (to some extent) followed other countries in order to avoid confusion. Traffic signs can be grouped into several types. For example, Annexe 1 of the Vienna Convention on Road Signs and Signals (1968), which on 30 June 2004 had 52 signatory countries, defines eight categories of signs: In the United States, Canada, Australia, and New Zealand signs are categorized as follows: In

516-534: A distance. A typeface chosen for a traffic sign is selected based on its readability, which is essential for conveying information to drivers quickly and accurately at high speeds and long distances. Factors such as clear letterforms, lines of copy, appropriate spacing, and simplicity contribute to readability. Increased X-height and counters specifically help with letter distinction and reduced halation , which especially affects aging drivers. In cases of halation, certain letters can blur and look like others, such as

602-530: A fair amount of sunshine. Each year there are a few days when the temperature rises above 32 °C (90 °F). Longer periods of more intense heat sometimes occur, such as the heat wave of 2003 when temperatures exceeded 30 °C (86 °F) for weeks, reached 40 °C (104 °F) on some days, and rarely cooled down at night. Spring and autumn have, on average, mild days and cool nights, but are changing and unstable. Surprisingly warm or cool weather occurs frequently in both seasons. In winter, sunshine

688-457: A fraction of an icon can be used to show the respective fraction of that amount. For example, the following table: can be graphed as follows: Key: [REDACTED] = 10 letters As the values are rounded to the nearest 5 letters, the second icon on Tuesday is the left half of the original. Pictograms can often transcend languages in that they can communicate to speakers of a number of tongues and language families equally effectively, even if

774-472: A hand-held receiver or one built into a cell phone. Then, finally, in 1914, the world's first electric traffic signal is put into place on the corner of Euclid Avenue and East 105th Street in Cleveland , Ohio, on August 5. Typefaces used on traffic signs vary by location, with some typefaces being designed specifically for the purpose of being used on traffic signs and based on attributes that aid viewing from

860-702: A huge and emotional crowd down the Champs Élysées towards Notre Dame de Paris and made a rousing speech from the Hôtel de Ville . In the 1950s and the 1960s, Paris became one front of the Algerian War for independence; in August 1961, the pro-independence FLN targeted and killed 11 Paris policemen, leading to the imposition of a curfew on Muslims of Algeria (who, at that time, were French citizens). On 17 October 1961, an unauthorised but peaceful protest demonstration of Algerians against

946-574: A lowercase "e" appearing as an "a", "c", or "o". In 1997, a design team at T.D. Larson Transportation Institute began testing Clearview , a typeface designed to improve readability and halation issues with the FHWA Standard Alphabet, also known as Highway Gothic , which is the standard typeface for highway signs in the U.S. The adoption of Clearview for traffic signs over Highway Gothic has been slow since its initial proposal. Country-wide adoption faced resistance from both local governments and

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1032-755: A sub-tribe of the Celtic Senones , inhabited the Paris area from around the middle of the 3rd century BC. One of the area's major north–south trade routes crossed the Seine on the Île de la Cité , which gradually became an important trading centre. The Parisii traded with many river towns (some as far away as the Iberian Peninsula) and minted their own coins. The Romans conquered the Paris Basin in 52 BC and began their settlement on Paris's Left Bank . The Roman town

1118-420: A variety of pictograms was used to indicate facilities available at or near each station. Pictograms remain in common use today, serving as pictorial, representational signs, instructions, or statistical diagrams. Because of their graphical nature and fairly realistic style, they are widely used to indicate public toilets, or places such as airports and train stations. Because they are a concise way to communicate

1204-517: Is Montmartre at 130 m (427 ft). Excluding the outlying parks of Bois de Boulogne and Bois de Vincennes , Paris covers an oval measuring about 87 km (34 sq mi) in area, enclosed by the 35 km (22 mi) ring road, the Boulevard Périphérique . Paris' last major annexation of outlying territories in 1860 gave it its modern form, and created the 20 clockwise-spiralling arrondissements (municipal boroughs). From

1290-767: Is 450 km (280 mi) southeast of London, 287 km (178 mi) south of Calais , 305 km (190 mi) southwest of Brussels , 774 km (481 mi) north of Marseille , 385 km (239 mi) northeast of Nantes , and 135 km (84 mi) southeast of Rouen . Paris has an oceanic climate within the Köppen climate classification , typical of western Europe. This climate type features cool winters, with frequent rain and overcast skies, and mild to warm summers. Very hot and very cold temperatures and weather extremes are rare in this type of climate. Summer days are usually mild and pleasant, with average temperatures between 15 and 25 °C (59 and 77 °F), and

1376-860: Is a graphical symbol that conveys meaning through its visual resemblance to a physical object. Pictograms are used in systems of writing and visual communication. A pictography is a writing system which uses pictograms. Some pictograms, such as hazard pictograms , may be elements of formal languages . In the field of prehistoric art , the term "pictograph" has a different definition, and specifically refers to art painted on rock surfaces. Pictographs are contrasted with petroglyphs , which are carved or incised. Early written symbols were based on pictograms (pictures which resemble what they signify) and ideograms (symbols which represent ideas). Ancient Sumerian, Egyptian, and Chinese civilizations began to adapt such symbols to represent concepts, developing them into logographic writing systems . Pictograms are still in use as

1462-719: Is derived from its early inhabitants, the Parisii , a Gallic tribe from the Iron Age and the Roman period . The meaning of the Gaulish ethnonym remains debated. According to Xavier Delamarre , it may derive from the Celtic root pario- ('cauldron'). Alfred Holder interpreted the name as 'the makers' or 'the commanders', by comparing it to the Welsh peryff ('lord, commander'), both possibly descending from

1548-440: Is scarce. Days are cool, and nights are cold but generally above freezing, with low temperatures around 3 °C (37 °F). Light night frosts are quite common, but the temperature seldom dips below −5 °C (23 °F). Paris sometimes sees light snow or flurries with or without accumulation. Paris has an average annual precipitation of 641 mm (25.2 in), and experiences light rainfall distributed evenly throughout

1634-456: Is the fourth-largest city in the European Union and the 30th most densely populated city in the world in 2022. Since the 17th century, Paris has been one of the world's major centres of finance , diplomacy , commerce , culture , fashion , and gastronomy . Because of its leading role in the arts and sciences and its early adaptation of extensive street lighting, it became known as

1720-560: Is the second-busiest metro system in Europe after the Moscow Metro . Gare du Nord is the 24th-busiest railway station in the world and the busiest outside Japan , with 262   million passengers in 2015. Paris has one of the most sustainable transportation systems and is one of only two cities in the world that received the Sustainable Transport Award twice. Paris is known for its museums and architectural landmarks:

1806-599: The Champs-Élysées extended the city west to Étoile , while the working-class neighbourhood of the Faubourg Saint-Antoine on the eastern side of the city grew increasingly crowded with poor migrant workers from other regions of France. Paris was the centre of an explosion of philosophic and scientific activity, known as the Age of Enlightenment . Diderot and D'Alembert published their Encyclopédie in 1751, before

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1892-785: The College of Sorbonne , and a palace for himself, the Palais-Cardinal . After Richelieu's death in 1642, it was renamed the Palais-Royal . Due to the Parisian uprisings during the Fronde civil war, Louis XIV moved his court to a new palace, Versailles , in 1682. Although no longer the capital of France, arts and sciences in the city flourished with the Comédie-Française , the Academy of Painting, and

1978-581: The Economist Intelligence Unit Worldwide Cost of Living Survey, in 2022, Paris was the city with the ninth-highest cost of living in the world. Paris is a major railway, highway, and air-transport hub served by two international airports: Charles de Gaulle Airport , the third-busiest airport in Europe , and Orly Airport . Opened in 1900, the city's subway system, the Paris Métro , serves 5.23   million passengers daily. It

2064-634: The European Space Agency , the European Banking Authority and the European Securities and Markets Authority . The football club Paris Saint-Germain and the rugby union club Stade Français are based in Paris. The 81,000-seat Stade de France , built for the 1998 FIFA World Cup , is located just north of Paris in the neighbouring commune of Saint-Denis . Paris hosts the annual French Open Grand Slam tennis tournament on

2150-532: The Federal Highway Administration (FHWA), citing concerns about consistency and cost, along with doubts of the studies done on Clearview’s improved readability. As stated by the FHWA, "This process (of designing Clearview) did not result in a necessarily better set of letter styles for highway signing, but rather a different set of letter styles with increased letter height and different letter spacing that

2236-707: The French Academy of Sciences . To demonstrate that the city was safe from attack, the king had the city walls demolished and replaced with tree-lined boulevards that would become the Grands Boulevards . Other marks of his reign were the Collège des Quatre-Nations , the Place Vendôme , the Place des Victoires , and Les Invalides . Paris grew in population from about 400,000 in 1640 to 650,000 in 1780. A new boulevard named

2322-635: The GHS system . Pictograms have been popularized in use on the Internet and in software , better known as " icons " displayed on a computer screen in order to help user navigate a computer system or mobile device. Paris Paris ( French pronunciation: [paʁi] ) is the capital and largest city of France . With an estimated population of 2,102,650 residents in January 2023 in an area of more than 105 km (41 sq mi), Paris

2408-640: The Grand Paris project, to integrate Paris more closely with the towns in the region around it. After many modifications, the new area, named the Metropolis of Grand Paris , with a population of 6.7 million, was created on 1 January 2016. In 2011, the City of Paris and the national government approved the plans for the Grand Paris Express , totalling 205 km (127 mi) of automated metro lines to connect Paris,

2494-511: The Louvre received 8.9   million visitors in 2023, on track for keeping its position as the most-visited art museum in the world. The Musée d'Orsay , Musée Marmottan Monet and Musée de l'Orangerie are noted for their collections of French Impressionist art. The Pompidou Centre , Musée National d'Art Moderne , Musée Rodin and Musée Picasso are noted for their collections of modern and contemporary art . The historical district along

2580-484: The Montgolfier Brothers launched the first manned flight in a hot air balloon on 21 November 1783. Paris was the financial capital of continental Europe, as well the primary European centre for book publishing, fashion and the manufacture of fine furniture and luxury goods. On 22 October 1797, Paris was also the site of the first parachute jump in history, by Garnerin . In the summer of 1789, Paris became

2666-517: The Paris Commune held power for two months, before being harshly suppressed by the French army during the " Bloody Week " at the end of May 1871. In the late 19th century, Paris hosted two major international expositions: the 1889 Universal Exposition , which featured the new Eiffel Tower, was held to mark the centennial of the French Revolution; and the 1900 Universal Exposition gave Paris

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2752-579: The Pont Alexandre III , the Grand Palais , the Petit Palais and the first Paris Métro line. Paris became the laboratory of Naturalism ( Émile Zola ) and Symbolism ( Charles Baudelaire and Paul Verlaine ), and of Impressionism in art ( Courbet , Manet , Monet , Renoir ). By 1901, the population of Paris had grown to about 2,715,000. At the beginning of the century, artists from around

2838-611: The Pont des Arts . During the Restoration , the bridges and squares of Paris were returned to their pre-Revolution names; the July Revolution in 1830 (commemorated by the July Column on the Place de la Bastille ) brought to power a constitutional monarch, Louis Philippe I . The first railway line to Paris opened in 1837, beginning a new period of massive migration from the provinces to

2924-750: The Seine in the city centre has been classified as a UNESCO World Heritage Site since 1991. Paris is home to several United Nations organizations including UNESCO, as well as other international organizations such as the OECD , the OECD Development Centre , the International Bureau of Weights and Measures , the International Energy Agency , the International Federation for Human Rights , along with European bodies such as

3010-597: The Siege of Paris (885–886) , for which the then Count of Paris ( comte de Paris ), Odo of France , was elected king of West Francia . From the Capetian dynasty that began with the 987 election of Hugh Capet , Count of Paris and Duke of the Franks ( duc des Francs ), as king of a unified West Francia, Paris gradually became the largest and most prosperous city in France. By the end of

3096-473: The Île Saint-Louis and the larger Île de la Cité , which form the oldest part of Paris. The river's mouth on the English Channel ( La Manche ) is about 233 mi (375 km) downstream from Paris. Paris is spread widely on both banks of the river. Overall, Paris is relatively flat, and the lowest point is 35 m (115 ft) above sea level . Paris has several prominent hills, the highest of which

3182-512: The 12th century, Paris had become the political, economic, religious, and cultural capital of France. The Palais de la Cité , the royal residence, was located at the western end of the Île de la Cité. In 1163, during the reign of Louis VII , Maurice de Sully , bishop of Paris, undertook the construction of the Notre Dame Cathedral at its eastern extremity. After the marshland between the river Seine and its slower 'dead arm' to its north

3268-499: The 1860 area of 78 km (30 sq mi), the city limits were expanded marginally to 86.9 km (33.6 sq mi) in the 1920s. In 1929, the Bois de Boulogne and Bois de Vincennes forest parks were annexed to the city, bringing its area to about 105 km (41 sq mi). The metropolitan area is 2,300 km (890 sq mi). Measured from the 'point zero' in front of its Notre-Dame cathedral , Paris by road

3354-697: The Americas before Colonization . One example of many is the Rock art of the Chumash people , part of the Native American history of California . In 2011, UNESCO's World Heritage List added " Petroglyph Complexes of the Mongolian Altai, Mongolia" to celebrate the importance of the pictograms engraved in rocks. Some scientists in the field of neuropsychiatry and neuropsychology, such as Mario Christian Meyer , are studying

3440-485: The British government introduced four "national" signs based on shape, but the basic patterns of most traffic signs were set at the 1908 World Road Congress in Paris . In 1909, nine European governments agreed on the use of four pictorial symbols, indicating "bump", "curve", "intersection", and "grade-level railroad crossing". The intensive work on international road signs that took place between 1926 and 1949 eventually led to

3526-460: The City of Light in the 19th century. The City of Paris is the centre of the Île-de-France region , or Paris Region, with an official estimated population of 12,271,794 inhabitants in January 2023, or about 19% of the population of France. The Paris Region had a nominal GDP of €765 billion (US$ 1.064 trillion when adjusted for PPP ) in 2021, the highest in the European Union. According to

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3612-704: The Frank , the first king of the Merovingian dynasty , made the city his capital from 508. As the Frankish domination of Gaul began, there was a gradual immigration by the Franks to Paris and the Parisian Francien dialects were born. Fortification of the Île de la Cité failed to avert sacking by Vikings in 845 , but Paris's strategic importance—with its bridges preventing ships from passing—was established by successful defence in

3698-601: The French police and gendarmes arrested 12,884 Jews, including 4,115 children, and confined them during five days at the Vel d'Hiv ( Vélodrome d'Hiver ), from which they were transported by train to the extermination camp at Auschwitz . None of the children came back. On 25 August 1944, the city was liberated by the French 2nd Armoured Division and the 4th Infantry Division of the United States Army . General Charles de Gaulle led

3784-462: The Ground, a universal language made up of pictograms collected from around the world. A Book from the Ground chat program has been exhibited in museums and galleries internationally. In statistics, pictograms are charts in which icons represent numbers to make it more interesting and easier to understand. A key is often included to indicate what each icon represents. All icons must be of the same size, but

3870-411: The Place Royale, now Place des Vosges . In spite of Henry IV's efforts to improve city circulation, the narrowness of Paris's streets was a contributing factor in his assassination near Les Halles marketplace in 1610. During the 17th century, Cardinal Richelieu , chief minister of Louis XIII , was determined to make Paris the most beautiful city in Europe. He built five new bridges, a new chapel for

3956-429: The Revolution, but after 1799 it surged with 160,000 new residents, reaching 660,000 by 1815. Napoleon replaced the elected government of Paris with a prefect that reported directly to him. He began erecting monuments to military glory, including the Arc de Triomphe , and improved the neglected infrastructure of the city with new fountains, the Canal de l'Ourcq , Père Lachaise Cemetery and the city's first metal bridge,

4042-564: The Tuileries Palace. In 1793, as the revolution turned increasingly radical, the king, queen and mayor were beheaded by guillotine in the Reign of Terror , along with more than 16,000 others throughout France. The property of the aristocracy and the church was nationalised , and the city's churches were closed, sold or demolished. A succession of revolutionary factions ruled Paris until 9 November 1799 ( coup d'état du 18 brumaire ), when Napoleon Bonaparte seized power as First Consul. The population of Paris had dropped by 100,000 during

4128-450: The U.S., the first road signs were erected by the American Automobile Association (AAA). Starting in 1906, regional AAA clubs began paying for and installing wooden signs to help motorists find their way. In 1914, AAA started a cohesive transcontinental signage project, installing more than 4,000 signs in one stretch between Los Angeles and Kansas City alone. Over the years, change was gradual. Pre-industrial signs were stone or wood, but with

4214-430: The United States, the categories, placement, and graphic standards for traffic signs and pavement markings are legally defined in the Federal Highway Administration 's Manual on Uniform Traffic Control Devices as the standard. A rather informal distinction among the directional signs is the one between advance directional signs, interchange directional signs, and reassurance signs. Advance directional signs appear at

4300-405: The capital of France, was the most populous city of Europe. By comparison, London in 1300 had 80,000 inhabitants. By the early fourteenth century, so much filth had collected inside urban Europe that French and Italian cities were naming streets after human waste. In medieval Paris, several street names were inspired by merde , the French word for "shit". During the Hundred Years' War , Paris

4386-454: The centre stage of the French Revolution . On 14 July, a mob seized the arsenal at the Invalides , acquiring thousands of guns, with which it stormed the Bastille , a principal symbol of royal authority. The first independent Paris Commune , or city council, met in the Hôtel de Ville and elected a Mayor , the astronomer Jean Sylvain Bailly , on 15 July. Louis XVI and the royal family were brought to Paris and incarcerated in

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4472-435: The city. In 1848, Louis-Philippe was overthrown by a popular uprising in the streets of Paris. His successor, Napoleon III , alongside the newly appointed prefect of the Seine, Georges-Eugène Haussmann , launched a huge public works project to build wide new boulevards, a new opera house, a central market, new aqueducts, sewers and parks, including the Bois de Boulogne and Bois de Vincennes . In 1860, Napoleon III annexed

4558-402: The curfew led to violent confrontations between the police and demonstrators, in which at least 40 people were killed. The anti-independence Organisation armée secrète (OAS) carried out a series of bombings in Paris throughout 1961 and 1962. In May 1968, protesting students occupied the Sorbonne and put up barricades in the Latin Quarter . Thousands of Parisian blue-collar workers joined

4644-519: The development of Darby's method of smelting iron using coke-painted cast iron became favoured in the late 18th and 19th centuries. Cast iron continued to be used until the mid-20th century, but it was gradually displaced by aluminium or other materials and processes, such as vitreous enamelled and/or pressed malleable iron, or (later) steel. Since 1945 most signs have been made from sheet aluminium with adhesive plastic coatings; these are normally retroreflective for nighttime and low-light visibility. Before

4730-721: The development of reflective plastics, reflectivity was provided by glass reflectors set into the lettering and symbols. New generations of traffic signs based on electronic displays can also change their text (or, in some countries, symbols) to provide for "intelligent control" linked to automated traffic sensors or remote manual input. In over 20 countries, real-time Traffic Message Channel incident warnings are conveyed directly to vehicle navigation systems using inaudible signals carried via FM radio, 3G cellular data and satellite broadcasts. Finally, cars can pay tolls and trucks pass safety screening checks using video numberplate scanning, or RFID transponders in windshields linked to antennae over

4816-402: The development of the European road sign system. Both Britain and the United States developed their own road signage systems, both of which were adopted or modified by many other nations in their respective spheres of influence. The UK adopted a version of the European road signs in 1964 and, over past decades, North American signage began using some symbols and graphics mixed in with English. In

4902-537: The distance to Rome. According to Strabo, Mauryas erected signboards at distance of 10 stades to mark their roads. In the Middle Ages , multidirectional signs at intersections became common, giving directions to cities and towns. In 1686, the first known Traffic Regulation Act in Europe was established by King Peter II of Portugal . This act foresaw the placement of priority signs in the narrowest streets of Lisbon , stating which traffic should back up to give way. One of these signs still exists at Salvador street, in

4988-443: The first Bishop of Paris: according to legend, when he refused to renounce his faith before the Roman occupiers, he was beheaded on the hill which became known as Mons Martyrum (Latin "Hill of Martyrs"), later " Montmartre ", from where he walked headless to the north of the city; the place where he fell and was buried became an important religious shrine, the Basilica of Saint-Denis , and many French kings are buried there. Clovis

5074-401: The first approach sign for a motorway exit is mostly placed at least 1,000 metres (3,300 ft) from the actual interchange. After that sign, one or two additional advance directional signs typically follow before the actual interchange itself. The earliest road signs were milestones , giving distance or direction; for example, the Romans erected stone columns throughout their empire giving

5160-414: The first socialist mayor. He was re-elected in March 2008. In 2007, in an effort to reduce car traffic, he introduced the Vélib' , a system which rents bicycles. Bertrand Delanoë also transformed a section of the highway along the Left Bank of the Seine into an urban promenade and park, the Promenade des Berges de la Seine , which he inaugurated in June 2013. In 2007, President Nicolas Sarkozy launched

5246-453: The front line at the First Battle of the Marne . The city was also bombed by Zeppelins and shelled by German long-range guns . In the years after the war, known as Les Années Folles , Paris continued to be a mecca for writers, musicians and artists from around the world, including Ernest Hemingway , Igor Stravinsky , James Joyce , Josephine Baker , Eva Kotchever , Henry Miller , Anaïs Nin , Sidney Bechet and Salvador Dalí . In

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5332-413: The innermost three departments around Paris, airports and high-speed rail (TGV) stations, at an estimated cost of €35 billion. The system is scheduled to be completed by 2030. In January 2015, Al-Qaeda in the Arabian Peninsula claimed attacks across the Paris region. 1.5 million people marched in Paris in a show of solidarity against terrorism and in support of freedom of speech. In November of

5418-441: The languages and cultures are completely different. This is why road signs and similar pictographic material are often applied as global standards expected to be understood by nearly all. A standard set of pictograms was defined in the international standard ISO 7001 : Public Information Symbols . Other common sets of pictographs are the laundry symbols used on clothing tags and the chemical hazard symbols as standardized by

5504-512: The late 12th century, Philip Augustus extended the Louvre fortress to defend the city against river invasions from the west, gave the city its first walls between 1190 and 1215, rebuilt its bridges to either side of its central island, and paved its main thoroughfares. In 1190, he transformed Paris's former cathedral school into a student-teacher corporation that would become the University of Paris and would draw students from all of Europe. With 200,000 inhabitants in 1328, Paris, then already

5590-410: The main medium of written communication in some non-literate cultures in Africa, the Americas, and Oceania. Pictograms are often used as simple, pictorial, representational symbols by most contemporary cultures. Pictograms can be considered an art form, or can be considered a written language and are designated as such in Pre-Columbian art , Native American art , Ancient Mesopotamia and Painting in

5676-490: The modern city of Paris was first mentioned in the mid-1st century BC by Julius Caesar as Luteciam Parisiorum (' Lutetia of the Parisii ') and is later attested as Parision in the 5th century AD, then as Paris in 1265. During the Roman period, it was commonly known as Lutetia or Lutecia in Latin, and as Leukotekía in Greek, which is interpreted as either stemming from the Celtic root *lukot- ('mouse'), or from * luto- ('marsh, swamp'). The name Paris

5762-569: The neighborhood of Alfama . The first modern road signs erected on a wide scale were designed for riders of high or "ordinary" bicycles in the late 1870s and early 1880s. These machines were fast, silent and their nature made them difficult to control, moreover their riders travelled considerable distances and often preferred to tour on unfamiliar roads. For such riders, cycling organizations began to erect signs that warned of potential hazards ahead (particularly steep hills), rather than merely giving distance or directions to places, thereby contributing

5848-450: The new site of the Bibliothèque nationale de France (1996), the Arche de la Défense (1985–1989) in La Défense , as well as the Louvre Pyramid with its underground courtyard (1983–1989); Jacques Chirac (2006), the Musée du quai Branly . In the early 21st century, the population of Paris began to increase slowly again, as more young people moved into the city. It reached 2.25 million in 2011. In March 2001, Bertrand Delanoë became

5934-442: The red clay of Roland Garros . Paris hosted the 1900 , the 1924 , and the 2024 Summer Olympics . The 1938 and 1998 FIFA World Cups , the 2019 FIFA Women's World Cup , the 2007 Rugby World Cup , as well as the 1960 , 1984 and 2016 UEFA European Championships were held in Paris. Every July, the Tour de France bicycle race finishes on the Avenue des Champs-Élysées in Paris. The ancient oppidum that corresponds to

6020-451: The road, in support of on-board signalling, toll collection, and travel time monitoring. Yet another "medium" for transferring information ordinarily associated with visible signs is RIAS (Remote Infrared Audible Signage) , e.g., "talking signs" for print-handicapped (including blind/low-vision/illiterate) people. These are infra-red transmitters serving the same purpose as the usual graphic signs when received by an appropriate device such as

6106-425: The same year, terrorist attacks , claimed by ISIL, killed 130 people and injured more than 350. On 22 April 2016, the Paris Agreement was signed by 196 nations of the United Nations Framework Convention on Climate Change in an aim to limit the effects of climate change below 2 °C. Paris is located in northern central France, in a north-bending arc of the river Seine , whose crest includes two islands,

6192-540: The sign type that defines "modern" traffic signs. The development of automobiles encouraged more complex signage systems using more than just text-based notices. One of the first modern-day road sign systems was devised by the Italian Touring Club in 1895. By 1900, a Congress of the International League of Touring Organizations in Paris was considering proposals for standardization of road signage. In 1903

6278-873: The standard. Cars are beginning to feature cameras with automatic traffic sign recognition , beginning 2008 with the Opel Insignia . It mainly recognizes speed limits and no-overtaking areas. It also uses GPS and a database over speed limits, which is useful in the many countries which signpost city speed limits with a city name sign, not a speed limit sign. Rail traffic has often a lot of differences between countries and often not much similarity with road signs. Rail traffic has professional drivers who have much longer education than what's normal for road driving licenses. Differences between neighboring countries cause problems for cross border traffic and causes need for additional education for drivers. Pictogram A pictogram (also pictogramme , pictograph , or simply picto )

6364-629: The students, and the movement grew into a two-week general strike. Supporters of the government won the June elections by a large majority. The May 1968 events in France resulted in the break-up of the University of Paris into 13 independent campuses. In 1975, the National Assembly changed the status of Paris to that of other French cities and, on 25 March 1977, Jacques Chirac became the first elected mayor of Paris since 1793. The Tour Maine-Montparnasse ,

6450-585: The surrounding towns and created eight new arrondissements, expanding Paris to its current limits. During the Franco-Prussian War (1870–1871), Paris was besieged by the Prussian Army . Following several months of blockade, hunger, and then bombardment by the Prussians, the city was forced to surrender on 28 January 1871. After seizing power in Paris on 28 March, a revolutionary government known as

6536-458: The symbolic meaning of indigenous pictographs and petroglyphs, aiming to create new ways of communication between native people and modern scientists to safeguard and valorize their cultural diversity. An early modern example of the extensive use of pictograms may be seen in the map in the London suburban timetables of the London and North Eastern Railway, 1936–1947, designed by George Dow , in which

6622-460: The tallest building in the city at 57 storeys and 210 m (689 ft) high, was built between 1969 and 1973. It was highly controversial, and it remains the only building in the centre of the city over 32 storeys high. The population of Paris dropped from 2,850,000 in 1954 to 2,152,000 in 1990, as middle-class families moved to the suburbs. A suburban railway network, the RER (Réseau Express Régional),

6708-529: The throne Henry IV , after converting to Catholicism to gain entry to the capital, entered the city in 1594 to claim the crown of France. This king made several improvements to the capital during his reign: he completed the construction of Paris's first uncovered, sidewalk-lined bridge, the Pont Neuf , built a Louvre extension connecting it to the Tuileries Palace , and created the first Paris residential square,

6794-488: The world including Pablo Picasso , Modigliani , and Henri Matisse made Paris their home. It was the birthplace of Fauvism , Cubism and abstract art , and authors such as Marcel Proust were exploring new approaches to literature. During the First World War , Paris sometimes found itself on the front line; 600 to 1,000 Paris taxis played a small but highly important symbolic role in transporting 6,000 soldiers to

6880-401: The year. Paris is known for intermittent, abrupt, heavy showers. The highest recorded temperature was 42.6 °C (108.7 °F), on 25 July 2019. The lowest was −23.9 °C (−11.0 °F), on 10 December 1879. For almost all of its long history, except for a few brief periods, Paris was governed directly by representatives of the king, emperor, or president of France. In 1974, Paris

6966-472: The years after the peace conference , the city was also home to growing numbers of students and activists from French colonies and other Asian and African countries, who later became leaders of their countries, such as Ho Chi Minh , Zhou Enlai and Léopold Sédar Senghor . On 14 June 1940, the German army marched into Paris, which had been declared an " open city ". On 16–17 July 1942, following German orders,

7052-750: Was built to complement the Métro; the Périphérique expressway encircling the city, was completed in 1973. Most of the postwar presidents of the Fifth Republic wanted to leave their own monuments in Paris; President Georges Pompidou started the Centre Georges Pompidou (1977), Valéry Giscard d'Estaing began the Musée d'Orsay (1986); President François Mitterrand had the Opéra Bastille built (1985–1989),

7138-519: Was filled in from around the 10th century, Paris's cultural centre began to move to the Right Bank. In 1137, a new city marketplace (today's Les Halles ) replaced the two smaller ones on the Île de la Cité and Place de Grève (Place de l'Hôtel de Ville) . The latter location housed the headquarters of Paris's river trade corporation, an organisation that later became, unofficially (although formally in later years), Paris's first municipal government. In

7224-561: Was not comparable to the Standard Alphabets." The FHWA allowed use of Clearview to be approved on an interim basis as opposed to national change, where local governments could decide to submit a request to the FHWA for approval to update their signs with Clearview, but in 2016 they rescinded this approval, wanting to limit confusion and inconsistency that could come from a mix of two typefaces being used. In 2018, they again allowed interim approval of Clearview, with Highway Gothic remaining

7310-611: Was occupied by England-friendly Burgundian forces from 1418, before being occupied outright by the English when Henry V of England entered the French capital in 1420; in spite of a 1429 effort by Joan of Arc to liberate the city, it would remain under English occupation until 1436. In the late 16th-century French Wars of Religion , Paris was a stronghold of the Catholic League , the organisers of 24 August 1572 St. Bartholomew's Day massacre in which thousands of French Protestants were killed. The conflicts ended when pretender to

7396-542: Was originally called Lutetia (more fully, Lutetia Parisiorum , "Lutetia of the Parisii", modern French Lutèce ). It became a prosperous city with a forum, baths, temples, theatres, and an amphitheatre . By the end of the Western Roman Empire , the town was known as Parisius , a Latin name that would later become Paris in French. Christianity was introduced in the middle of the 3rd century AD by Saint Denis ,

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