Misplaced Pages

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77-648: State Route 20 ( SR 20 ) is a state highway in the northern-central region of the U.S. state of California , running east–west north of Sacramento from the North Coast to the Sierra Nevada . Its west end is at SR 1 in Fort Bragg , from where it heads east past Clear Lake , Colusa , Yuba City , Marysville and Nevada City to I-80 near Emigrant Gap , where eastbound traffic can continue on other routes to Lake Tahoe or Nevada . Portions of SR 20 are built near

154-670: A branch of the California Trail first used in 1850. SR 20 east of US 101 is part of the California Freeway and Expressway System , although it is mostly a two-lane surface road; west of SR 29 and east of SR 53, it is part of the National Highway System , a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration . All of SR 20

231-430: A correction or change, and T indicates postmiles classified as temporary ( for a full list of prefixes, see California postmile § Official postmile definitions ). Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column. State Route 20 Business ( SR 20 Bus. )

308-454: A five-year span between 2018 and 2022, concluding that SR 99 is the most dangerous highway in California, with 445 deaths (an average of 89 per year) over that five-year period. SR 99 is part of the California Freeway and Expressway System , and except for a small portion north of SR 20 is part of the National Highway System , a network of highways that are considered essential to

385-522: A four-lane freeway as the route leaves Sacramento County, but shortly reverts to a four-lane divided expressway as the highway crosses into Sutter County. As SR 99 reaches the junction of SR 70 , the route turns northwest by north and becomes an undivided expressway with the exceptions of crossing the Feather River near Nicolaus and the interchange with SR 113 , where the route then turns straight north to Yuba City. As SR 99 crosses SR 20 at

462-666: A freeway through the San Joaquin Valley. One was to upgrade US 99 to Interstate standards. The other proposed alternative was the West Side Freeway, which would bypass all the Central Valley communities and thus provide a faster and more direct north–south route through the state. The latter route was eventually chosen and ultimately became Interstate 5. The implementation of the Interstate Highway System and

539-399: A minimum width of six lanes and also bring it into compliance with Interstate Highway standards as a parallel route to I-5 for Los Angeles –Sacramento traffic. North of Sacramento, the road ranges from a rural two-lane road to a four-lane freeway, with much of it following the route formerly designated as US 99E. A 2024 study conducted by a Dallas law firm looked at federal data over

616-475: A named route branch) Trans-Canada route marker is co-signed with a numbered provincial sign, with the provincial route often continuing alone outside the Trans-Canada Highway section. However, in the western provinces, the two parallel Trans-Canada routes are consistently numbered with Trans-Canada route markers; as Highways 1 and 16 respectively. Canada also has a designated National Highway System , but

693-674: A paved state highway, Route 9 and 26 , to US 80 in El Centro . The paved county road south from El Centro to the Mexican border became a state highway in mid-1931, and part of US 99 in mid-1932. In mid-1929, AASHO approved a split designation between Sacramento and Red Bluff, with US 99W replacing the original western route via Davis, and US 99E following the East Side Highway (Route 3) via Roseville . A short-lived split also existed between Manteca and Stockton in

770-526: A population of at least 10,000 inhabitants are urban roads (type D and E) under the jurisdiction of the relevant municipalities. The state highway that cross towns or villages with a population of less than 10,000 inhabitants are urban roads (type D and E) under the jurisdiction of the municipality, subject to authorization from ANAS . State highways in India are numbered highways that are laid and maintained by state governments . Mexico 's State Highway System

847-557: A project to upgrade that segment to a six-lane freeway with full access control. On January 15, 2016, Caltrans officially opened the Plainsburg Road interchange, which completed the conversion of Route 99 south of Sacramento to a freeway built to near-interstate standards. Caltrans' long-range plans recommend that SR 99 be upgraded to Interstate Highway standards between its southern end and Sacramento, which would require upgrading some substandard sections. Caltrans once suggested

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924-411: A realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary ( for a full list of prefixes, see California postmile § Official postmile definitions ). Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines;

1001-561: A short four-lane freeway that terminates at SR 99 just before the Olive Drive exit. The entire route is in Kern County . State Route 99 Business ( SR 99 Bus. ) in the city of Merced follows 16th Street . The business route begins at SR 99 exit 186C and follows the original routing of US 99 . It passes near downtown Merced and is concurrent with SR 59 for a short distance. SR 99 Bus. ends at SR 99 exit 189. The entire route

1078-507: A signaled intersection, the highway becomes a four-lane freeway for 3 miles (4.8 km) before reverting to a two-lane road, passing the smaller towns of Live Oak , Fagan, and Gridley . SR 99 briefly is a local four-lane road through Gridley before continuing as a two-lane highway. SR 99 passes by the western side of the Thermalito Afterbay . SR 162 joins SR 99 for 2 miles (3.2 km) before splitting off east towards

1155-555: A three-digit number designation, preceded by D . Provincial roads ( Turkish : İl yolu ) are secondary roads, maintained by respective local governments with the support of the KGM. The roads have a four-digit numbering grouped as two pairs, pairs are separated by a dash. First pair represents the license number of that province . State highways are generally a mixture of primary and secondary roads, although some are freeways (for example, State Route 99 in California, which links many of

1232-507: A two-lane highway. The roadway climbs from Nevada City and follows Harmony Ridge and Washington Ridge before descending into the Bear Valley via a series of hairpin turns , and then climbing, just north of Emigrant Gap , to its end at I-80 at Yuba Pass . The Pioneer Trail, a National Recreation Trail , parallels SR 20 from a point on Harmony Ridge to the Bear Valley, and includes parts of

1309-732: Is 100 km/h, with reductions when one passes through a densely populated area. The highways in New Zealand are all state highways, and the network consists of SH 1 running the length of both main islands, SH 2–5 and 10–58 in the North Island, and SH 6–8 and 60–99 in the South Island. National and provincial highways are numbered approximately north to south. State Highway 1 runs the length of both islands. Local highways ( Korean :  지방도 ; Hanja :  地方道 ; RR :  Jibangdo ; MR :  Chipangdo ) are

1386-708: Is SR 99's default name in areas not given other names by the Legislature, and the name continues from its end at Wheeler Ridge on I-5 as the Golden State Freeway from there to downtown Los Angeles . This north–south central highway became part of US 99 in 1926, as part of the new United States Numbered Highway System developed by the American Association of State Highway Officials (AASHO), though signs were not posted in California until 1928. US 99 also continued southeast from Los Angeles along

1463-476: Is a business route of California State Route 20 in Williams . It provides access to downtown Williams as E Street and Husted Road . The business route follows the original routing of SR 20 from its western terminus to Interstate 5 . East of I-5, the original routing, which headed northeast out of Williams, has since been abandoned. The present-day route continues on E Street east to Husted Road, then turns north to

1540-466: Is a remnant of the former Mexico to Canada U.S. Route 99 (US 99), which was decommissioned in 1972 after being functionally replaced by I-5 for long-distance traffic. The entire segment from Wheeler Ridge to Sacramento has been upgraded as of January 2016 to a freeway at least four lanes wide, and the California Department of Transportation (Caltrans) plans to further upgrade the segment to

1617-482: Is a system of urban and state routes constructed and maintained by each Mexican state. The main purpose of the state networks is to serve as a feeder system to the federal highway system. All states except the Federal District operate a road network. Each state marks these routes with a white shield containing the abbreviated name of the state plus the route number. New Zealand state highways are national highways –

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1694-424: Is divided into provinces and territories, each of which maintains its own system of provincial or territorial highways, which form the majority of the country's highway network. There is also the national transcontinental Trans-Canada Highway system, which is marked by distinct signs, but has no uniform numeric designation across the country. In the eastern provinces, for instance, an unnumbered (though sometimes with

1771-402: Is free to choose a different marker, and most states have. States may choose a design theme relevant to its state (such as an outline of the state itself) to distinguish state route markers from interstate, county, or municipal route markers. California State Route 99 State Route 99 ( SR 99 ) is a north–south state highway in the U.S. state of California , stretching almost

1848-454: Is in Merced County . State Route 99 Business ( SR 99 Bus. ) in the city of Lodi follows Cherokee Lane . Traveling north on SR 99, the business route begins at exit 264 (Lodi exit), and follows the original routing of US 99 , as well as US 50 . Cherokee Lane is a four-lane thoroughfare for much of the business route. It ends at SR 99 at exit 267A (Turner Road). The entire route

1925-563: Is not a road class. The Strade Statali , abbreviated SS, is the Italian national network of state highways. The total length for the network is about 25.000 km (15.534 mi). The Italian state highway network are maintained by ANAS . From 1928 until 1946 state highways were maintained by Azienda Autonoma Statale della Strada (AASS). The next level of roads below Strada Statali is Strada Regionale ("regional roads"). The routes of some state highways derive from ancient Roman roads , such as

2002-552: Is now built to freeway standards with complete access control, although some older portions are not yet in compliance with Interstate Highway standards . The freeway sections connect and serve the agriculture and industry of the California Central Valley , connecting agricultural production with processing and packing businesses. Most of the freeway also parallels the Union Pacific's Fresno Subdivision . The portion of

2079-664: Is on the Interregional Road System , a highway system that connects major economic centers of the state, and has been selected by the California Department of Transportation (Caltrans) as a High Emphasis Route and Focus Route from US 101 to SR 29 and SR 53 to I-80, with the designated corridor following SR 29 and SR 53 around the south side of Clear Lake. It is also eligible for the State Scenic Highway System from SR 1 to SR 16 and SR 49 to I-80, and has been designated as such for 6 miles (9.7 km) near

2156-406: Is vested in the federal states of Germany. Most federal states use the term Landesstraße (marked with 'L'), while for historical reasons Saxony and Bavaria use the term Staatsstraße (marked with 'S'). The appearance of the shields differs from state to state. The term Land-es-straße should not be confused with Landstraße , which describes every road outside built-up areas and

2233-771: The Bakersfield Municipal Airport and the Kern County Fairgrounds . Union Avenue widens to six lanes at Ming Avenue, just a few miles before its intersection with SR 58 . At the SR 58 junction, the designation SR 204 is added to the route. SR 99 Bus./SR 204 continues north on Union Avenue until the Union Avenue Y-intersection, where the designation heads northwest on Golden State Avenue. The route passes under SR 178 and over Chester Avenue at Garces Memorial Circle . At F Street, SR 99 Bus./SR 204 becomes

2310-475: The Feather River , which it crosses on the 10th Street Bridge into Marysville . Within the central part of that city, SR 20 makes several turns, first turning south from 10th Street onto E Street, then east on 9th Street (overlapping SR 70 ), north on B Street, and east on 12th Street (splitting from SR 70). The highway leaves Marysville to the northeast, paralleling the Yuba River on its north side as it enters

2387-660: The Grass Valley portion of the route to freeway standards. State Route 20 begins at SR 1 in southern Fort Bragg , less than 1 mile (1.6 km) from the Pacific Ocean. It heads east, quickly climbing into the Mendocino Range along a ridge and crossing through Dunlap Pass . The highway continues to rise alongside the North Fork Big River and tributaries, crossing another summit and then descending to Willits in

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2464-762: The Little Lake Valley via Broaddus Creek . An overlap with US 101 begins in Willits and heads southeasterly to Calpella , north of Ukiah in Redwood Valley . There SR 20 turns east again, crossing the Russian River , passing the north shore of Lake Mendocino , and rising to a summit via the East Fork Russian River and Cold Creek . The roadway again descends alongside the Blue Lakes and Scotts Creek to

2541-854: The Pacific Highway , an auto trail organized in 1910 to connect Canada and Mexico. The split in the Sacramento Valley was known as the East and West Side highways (the latter also carrying the Pacific Highway). South of Sacramento Route 4 was the Valley Route, but the San Joaquin Valley Tourist and Travel Association held a contest to rename it, selecting Golden State Highway as the winning entry in July 1927. To this day, "Golden State Highway"

2618-557: The Pacific Turnpike (Culbertson Road and Bowman Lake Road between Dutch Flat and Bowman Lake ) in 1864. By the end of the 1910s, a passable dirt and gravel road connected Ukiah and Nevada City via the south side of Clear Lake and Marysville. The portion between Lower Lake and Wilbur Springs was impassable in wet weather, at which times the Bartlett Springs and Bear Valley Toll-road via Upper Lake and Bartlett Springs

2695-700: The Sacramento Valley , SR 20 intersects SR 16 and curves north and back east, entering the valley via Salt Creek . Once it enters the flat Sacramento Valley, SR 20 takes a generally straight path, crossing I-5 in Williams , overlapping SR 45 near the west bank of the Sacramento River southeast from Colusa , and then turning back east to cross the Sacramento River and Sutter Bypass on its way to Yuba City . The route crosses SR 99 west of central Yuba City, and runs east through northern Yuba City to

2772-700: The San Joaquin Valley from Sacramento to Los Angeles . In addition, a second route followed the west side of the Sacramento Valley, using Route 7 from Red Bluff south to Davis and the short Route 8 east along the proposed Yolo Causeway to Sacramento. North of Bakersfield these closely paralleled some of the main lines of the Southern Pacific Railroad , including the Fresno Line, East and West Valley lines, Shasta Line and Siskiyou Line. By 1920 paving of both routes from Red Bluff to Los Angeles

2849-609: The Strada statale 7 Via Appia , which broadly follows the route of the Roman road of the same name . Other examples are the Strada statale 1 Via Aurelia ( Via Aurelia ) and the Strada statale 4 Via Salaria ( Via Salaria ). Since the reforms following the birth of the Kingdom of Italy in 1861, the State took charge of the construction and maintenance of a primary network of roads for connections between

2926-534: The US Army infantry regiment that, like the 100th Infantry Battalion, was also composed almost entirely of American soldiers of Japanese ancestry during World War II. In Sacramento, SR 99 joins with I-80 Business as part of the Capital City Freeway, then runs concurrently with I-5. Caltrans route logs for SR 99 do not recognize these concurrencies and lists the route as having two segments. However,

3003-603: The Feather River to a point east of Tudor. Despite this combined route connecting the same cities as the Garden Highway, the only other piece of the old county road taken for the state highway was a short segment just north of Sacramento, carrying Route 232 between Jibboom Street and El Centro Road. When the Interstate Highway System was being planned in the 1950s, there were two proposals as to which way to route

3080-441: The business route's eastern terminus at SR 20 at the northeastern tip of Williams. The entire route is in Williams , Colusa County . State highway Roads maintained by a state or province include both nationally numbered highways and un-numbered state highways. Depending on the state, "state highway" may be used for one meaning and "state road" or "state route" for the other. In some countries such as New Zealand ,

3157-619: The cities of the Central Valley , Route 128 in Massachusetts, or parts of Route 101 in New Hampshire). Each state has its own system for numbering and its own marker. The default marker is a white circle containing a black sans serif number (often inscribed in a black square or slightly rounded square), according to the Manual on Uniform Traffic Control Devices (MUTCD). However each state

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3234-570: The country's economy, defense, and mobility by the Federal Highway Administration . From its southern terminus at I-5 in Wheeler Ridge ( Wheeler Ridge Interchange ) to Sacramento , SR 99 is designated as the Golden State Highway . It passes through the major cities of the San Joaquin Valley , including Bakersfield , Delano , Tulare , Visalia , Fresno , Madera , Merced , Modesto , and Stockton . The entirety of this segment

3311-476: The early 1930s, with US 99E becoming the main route and US 99W becoming an extended SR 120 where not concurrent with US 50 . A third highway heading north from Sacramento was constructed by the Natomas Company in the 1910s for 13 miles (21 km) along the Sacramento River levee to provide access to land reclaimed and sold by the company. Sacramento and Sutter counties continued

3388-531: The east end; this is part of the federally designated Yuba-Donner Scenic Byway , a National Forest Scenic Byway that uses SR 20 east of SR 49. The east end of SR 20, from Bear Valley (just below Emigrant Gap) to Nevada City, closely follows a branch of the Truckee Route of the California Trail, first used by California-bound emigrants in 1850. Later a turnpike was built here by the same company that opened

3465-488: The end of the 1980s, and in some states, some less important National Routes were downgraded to State Routes. Each state has or had its own numbering scheme, but do not duplicate National Route numbers in the same state, or nearby routes in another state. As with the National Routes and National Highways, State Routes are being phased out in most states and territories in favour of alphanumeric routes. However, despite

3542-441: The entire length of the Central Valley . From its southern end at Interstate 5 (I-5) near Wheeler Ridge to its northern end at SR 36 near Red Bluff , SR 99 goes through the densely populated eastern parts of the valley. Cities served include Bakersfield , Delano , Tulare , Visalia , Fresno , Madera , Merced , Turlock , Modesto , Manteca , Stockton , Sacramento , Yuba City , and Chico . The highway

3619-553: The expressway often had to wait for many minutes at those intersections to find suitable gaps in which to dart across heavy through traffic on Route 99 moving at near-freeway speeds. If drivers became impatient or mistimed the speed of through traffic, the result was often a dangerous side collision . Therefore, Caltrans upgraded or replaced those intersections one-by-one with freeway interchanges, and often added frontage roads for access to adjacent parcels. This work proceeded very slowly over several decades, as Caltrans needed to balance

3696-473: The extension simply stated that it would connect "Ukiah to Tahoe City"; the state decided in September 1925 that it would run the highway along the north shore of Clear Lake, combining with the planned Rumsey-Lower Lake Highway ( Route 50 , now SR 53 and SR 16) east to Wilbur Springs. With the completion of this segment in mid-1932, the highway was ready for heavy travel, and became Sign Route 20 in 1934 as part of

3773-498: The fact that Victoria has fully adopted alphanumeric routes in regional areas, state route numbers are still used extensively within the city of Melbourne as a part of its Metropolitan Route Numbering Scheme . Brazil is another country that is divided into states and has state highways. For example, the longest highway in the state of São Paulo , the Rodovia Raposo Tavares , is designated as SP-270 and SP-295 . Canada

3850-754: The foothills of the Sierra Nevada . SR 20 rises into the Sierra along the north side of the Yuba River, crossing to the south side near Smartsville and then climbing through several ravines to the Penn Valley . The current alignment, built in the mid-1980s as a mostly two-lane freeway , continues east across rugged terrain to the city of Grass Valley , where it joins SR 49 on the Golden Center Freeway. The two routes travel northeast to Nevada City , where SR 49 turns northwest and SR 20 resumes its eastward course as

3927-424: The highway between Fresno and Madera has also been designated the 100th Infantry Battalion Memorial Highway , honoring the U.S. Army unit that was composed almost entirely with American soldiers of Japanese ancestry when it fought during World War II . Approximately 10 miles (16 km) north of Fresno in this segment, a palm tree and a pine tree (replaced with a cedar after storm damage in 2005) were planted in

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4004-416: The highway is often shown with the concurrencies on maps, as a contiguous highway. Signage exists at the two Sacramento interchanges to direct traffic from one segment to the other. SR 99 then splits from I-5 in northern Sacramento, and then heads along the eastern side of the Sacramento Valley through Yuba City , and Chico to its northern terminus at SR 36 near Red Bluff . SR 99 remains

4081-497: The initial signed state route system. In 1953, the legislature added an extension of Route 15 from US 101 at Willits (north of Ukiah) west to SR 1 near Fort Bragg. This was constructed (over an existing county road ) and became part of Sign Route 20 prior to 1964, when the Route 20 designation was legislatively adopted. Subsequent improvements include the construction of the Golden Center Freeway, connecting Grass Valley with Nevada City, in

4158-570: The junction with SR 29 and the settlement of Upper Lake in the Clear Lake Basin . SR 20 closely follows the northeast shore of Clear Lake, staying right above the water line to avoid the adjacent hills. Where the lake ends, SR 20 continues east, intersecting SR 53 and then following the North Fork Cache Creek and tributaries to the Lake – Colusa county line. During its final descent into

4235-427: The late 1960s, and a new alignment of SR 20 west from Grass Valley, bypassing Rough and Ready, in the mid-1980s. Except where prefixed with a letter, postmiles were measured on the road as it was in 1964 , based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to

4312-419: The legislative definition; all of US 99W, and US 99 north of Red Bluff, remained as other routes ( I-80 , SR 113 , and I-5), while US 99E between Roseville and Marysville became SR 65 . By 1968, all US 99 signs were removed or replaced with SR 99 signs following the completion of I-5. During the 20th century, Caltrans gradually widened Route 99 into a four-lane expressway for

4389-423: The legislature added Route 87 ( Sign Route 24 , later US 40 Alternate ) from Woodland north past Yuba City to northwest of Oroville , and in 1949, with the creation of Route 232 (later Sign Route 24) between Sacramento and Marysville . The final piece became Route 245 (no signed number) in 1959, connecting Route 232 near Catlett with Route 87 near Tudor , and following the old Garden Highway across

4466-440: The length of the entire segment from Wheeler Ridge to Sacramento. The agency did not immediately upgrade Route 99 to a freeway, since the West Side Freeway had already been selected as the preferred alternative for north–south long-distance traffic. As traffic levels along the Route 99 corridor continued to increase, the at-grade intersections on the expressway became extremely dangerous. Drivers on cross-streets who needed to cross

4543-531: The main cities; in 1865 the Lanza law introduced the classification of roads between national, provincial and municipal (see Annex F, art.10) and the Royal Decree of 17 November 1865, n. 2633 listed the first 38 national roads. Italian state highways are identified by a number and a name. In road signs and maps the number is preceded by the acronym SS, an acronym for strada statale ("state road"). The nomenclature of

4620-406: The median to mark the transition between Southern California (the palm) and Northern California (the pine), reputedly in the 1920s. The trees are to be removed in 2025 as part of widening the segment to six lanes, to be replaced by 15 pines and 15 palms to the west of the highway. The portion between Salida and Manteca is designated the 442nd Regimental Combat Team Memorial Highway , honoring

4697-453: The mid- 1964 state highway renumbering ultimately sealed the fate of the U.S. Highway designation on US 99. The Interstates eventually replaced portions of US 99, causing it to be truncated at both of its ends. US 99 was truncated to Los Angeles, with the old route south to Mexico becoming mainly I-10 and SR 86 . At the same time Route 99 was defined legislatively to run from I-5 near Wheeler Ridge to Red Bluff , but it

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4774-427: The next important roads under the National highways . The number has two, three, or four digits. Highways with two-digit numbers routes are called State-funded local highways. State roads ( Turkish : Devlet yolu ) are primary roads, mostly under the responsibility of General Directorate of Highways (KGM) except in metropolitan city centers where the responsibility falls into the local government. The roads have

4851-432: The northern end of the Thermalito Afterbay. SR 99 then transitions from a two-lane road to a four-lane divided expressway just before the interchange at SR 149 turning northwest and eventually a freeway entering the Chico city limits. As SR 99 leaves Chico, the highway reverts to a 2-lane road before crossing into Tehama County and passing through rural areas and the town of Los Molinos . The route then curves to

4928-417: The rising level of danger at the rural intersections on Route 99 with other urgent construction priorities in California's rapidly growing metropolitan areas. By 2012, there was only one remaining expressway segment with at-grade intersections on Route 99 between Sacramento and Wheeler Ridge, in Merced County between the cities of Chowchilla and Atwater. On December 11, 2012, Caltrans commenced construction on

5005-437: The road alongside the Sacramento River and Feather River to Nicolaus , where an existing county road crossed the river on a drawbridge and ran north to the East Side Highway at Yuba City . This continuous roadway between Sacramento and Yuba City was dedicated in October 1924 as the Garden Highway. Parts of the present SR 99 alignment between Sacramento and Yuba City were added to the state highway system in 1933, when

5082-455: The route could be designated as either I-7 or I-9, in accordance with the Interstate Highway System 's numbering standards (being just east of and parallel to I-5). However, the freeway is not currently part of the Interstate Highway system. Except where prefixed with a letter, postmiles were measured on the road as it was in 1964 , based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects

5159-405: The routing of what was first a wagon road and later a turnpike in the late 19th century. This road was extended through the state highway system all the way to Ukiah in the early 20th century, and the missing link near Clear Lake was completed in 1932 before the official designation of this highway as SR 20 in 1934. There have been subsequent improvements to the road, such as the conversion of

5236-494: The start and end postmiles in each county are given in the county column. State Route 99 Business ( SR 99 Bus. ) in the city of Bakersfield follows Union Avenue and Golden State Avenue . Traveling north on SR 99, the business route begins at exit 11 (Union Avenue), and follows the original routing of US 99 . Union Avenue is a rural, four-lane road for about six miles (9.7 km) until it enters Greenfield at Panama Road. From there, it continues north, passing by

5313-486: The state highway system as part of the first (1910) bond issue , specifically as Route 15, connecting the west Sacramento Valley trunk ( Route 7 , now I-5) with the county seat of Colusa. This state highway was significantly extended in both directions in 1919, west to Ukiah and east to Emigrant Gap, creating what was known as the Tahoe-Ukiah Highway, connecting Ukiah and Lake Tahoe in combination with Route 37 (now I-80) and Route 38 (now SR 89 ). The law that defined

5390-532: The state highways managed by ANAS generally follows the SS n scheme, where n is a number ranging from 1 ( Aurelia ) up to 700 (of the Royal Palace of Caserta ) depending on the date of establishment of the state highway. Newly built ANAS roads, not yet classified, are identified by the acronym NSA, an acronym for nuova strada ANAS ("new ANAS road"). State highways can be technically defined as main extra-urban roads (type B road) or as secondary extra-urban roads (type C road). State highways that cross towns with

5467-407: The system is completely unsigned, aside from the Trans-Canada routes. This makes Canada unique in that national highway designations are generally secondary to subnational routes. In Germany , state roads ( Landesstraßen or Staatsstraßen ) are a road class which is ranking below the federal road network ( Bundesstraßen ). The responsibility for road planning, construction and maintenance

5544-582: The west and terminates at the junction with SR 36 , approximately 1.5 miles (2.4 km) from I-5 in Red Bluff. The first state highway bond issue , approved by the state's voters in 1910, included a north–south highway through the central part of the state consisting of Route 3 through the Sacramento Valley from the Oregon state line south to Sacramento , replacing the Siskiyou Trail , and Route 4 through

5621-518: The word "state" in this sense means "government" or "public" (as in state housing and state schools ), not a division of a country. New Zealand's state highway system is a nationwide network of roads covering the North Island and the South Island . As of 2006, just under 100 roads have a "State Highway" designation. The NZ Transport Agency administers them. The speed limit for most state highways

5698-564: The word "state" is used in its sense of a sovereign state or country. By this meaning a state highway is a road maintained and numbered by the national government rather than local authorities. Australia 's important urban and inter-regional routes not covered by the National Highway or National Route systems are marked under the State Route system. They can be recognised by blue shield markers. They were practically adopted in all states by

5775-429: Was available for $ 1.50 each way or $ 2.50 round trip. This route generally followed the present SR 20, except around Clear Lake and between Marysville and Rough and Ready (where it used Spenceville Road). Beyond Nevada City to Emigrant Gap, the old turnpike was not passable; instead the present SR 174 was available for eastward drivers. Between Williams and Colusa, the road was paved in concrete , as it had been added to

5852-635: Was completed or in progress, including the only mountain crossing south of Red Bluff, the Ridge Route just north of Los Angeles. To the north of Red Bluff, the road was being graded but had not yet been paved over the Siskiyou Mountains into Oregon. Paving was finally completed in mid-1933, when a new alignment (now SR 263 ) opened through the Shasta River Canyon . The route from Davis to Oregon via Routes 7 and 3 came to be known as part of

5929-479: Was only marked as SR 99 between Sacramento and Yuba City, since the remainder was still US 99 or US 99E. The southern end of US 99 was moved further north to Sacramento in late 1966 and SR 99 was extended to Wheeler Ridge; the rest of former US 99 to Los Angeles was either I-5 or the locally maintained San Fernando Road . Several years later US 99 and its branches were removed altogether from California, making SR 99 signage match

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