Intermodal freight transport involves the transportation of freight in an intermodal container or vehicle , using multiple modes of transportation (e.g., rail , ship , aircraft , and truck ), without any handling of the freight itself when changing modes. The method reduces cargo handling, and so improves security, reduces damage and loss, and allows freight to be transported faster. Reduced costs over road trucking is the key benefit for inter-continental use. This may be offset by reduced timings for road transport over shorter distances.
46-622: The Red Hook Marine Terminal is an intermodal freight transport facility in the Red Hook neighborhood of Brooklyn in New York City , on the Upper New York Bay in the Port of New York and New Jersey . The maritime facility handles container ships and bulk cargo and includes a container terminal . The Port Authority of New York and New Jersey (PANYNJ) bought the piers in the 1950s when there
92-615: A Class I railroad was used until January 1, 1956, when the figure was increased to $ 3 million. In 1956, the ICC counted 113 Class I line-haul operating railroads (excluding "3 class I companies in systems") and 309 Class II railroads (excluding "3 class II companies in systems"). The Class III category was dropped in 1956 but reinstated in 1978. By 1963, the number of Class I railroads had dropped to 102; cutoffs were increased to $ 5 million by 1965, to $ 10 million in 1976 and to $ 50 million in 1978, at which point only 41 railroads qualified as Class I. In
138-507: A crane. Handling equipment can be designed with intermodality in mind, assisting with transferring containers between rail, road and sea. These can include: According to the European Commission Transportation Department "it has been estimated that up to 25% of accidents involving trucks can be attributable to inadequate cargo securing". Cargo that is improperly secured can cause severe accidents and lead to
184-658: A curved roof and insufficient strength for stacking. From 1928 the London, Midland & Scottish Railway offered "door to door" intermodal road-rail services using these containers. This standard failed to become popular outside the United Kingdom. Pallets made their first major appearance during World War II , when the United States military assembled freight on pallets, allowing fast transfer between warehouses , trucks, trains, ships , and aircraft . Because no freight handling
230-471: A mechanism for intermodal shipping known as double-stack rail transport has become increasingly common. Rising to the rate of nearly 70% of the United States' intermodal shipments, it transports more than one million containers per year. The double-stack rail cars design significantly reduces damage in transit and provides greater cargo security by cradling the lower containers so their doors cannot be opened. A succession of large, new, domestic container sizes
276-477: A new standardized steel Intermodal container based on specifications from the United States Department of Defense began to revolutionize freight transportation. The International Organization for Standardization (ISO) then issued standards based upon the U.S. Department of Defense standards between 1968 and 1970. The White Pass & Yukon Route railway acquired the world's first container ship ,
322-526: A special move in 1979, all switching and terminal railroads were re-designated Class III — even those with Class I or Class II revenues. In early 1991, two Class II railroads, Montana Rail Link and Wisconsin Central , asked the ICC to increase the minimum annual operating revenue criteria (then established at US$ 93.5 million) to avoid being redesignated as Class I, which would have resulted in increased administrative and legal costs. The Class II maximum criterion
368-426: Is by ship. Containers are 8-foot (2.4 m) wide by 8-foot (2.4 m) or 9-foot-6-inch (2.90 m) high. Since introduction, there have been moves to adopt other heights, such as 10-foot-6-inch (3.20 m). The most common lengths are 20 feet (6.1 m), 40 feet (12 m), 45 feet (14 m), 48 and 53 feet (15 and 16 m), although other lengths exist. The three common sizes are: In countries where
414-474: Is more common. TOFC terminals typically have large areas for storing trailers pending loading or pickup. Thievery has become a problem in North America. Sophisticated thieves learn how to interpret the codes on the outside of containers to ascertain which ones have easily disposable cargo. They break into isolated containers on long trains, or even board slowly moving trains to toss the items to accomplices on
460-551: Is often measured in TEU or FEU. These initials stand for " twenty-foot equivalent unit ," and " forty-foot equivalent unit ," respectively. For example, a vessel that can hold 1,000 40-foot containers or 2,000 20-foot containers can be said to have a capacity of 2,000 TEU . After the year 2006, the largest container ships in regular operation are capable of carrying in excess of 15,000 TEU . On board ships they are typically stacked up to seven units high. A key consideration in
506-482: Is sufficient for two containers to be loaded in a " double-stack " arrangement. In Europe , height restrictions imposed by smaller structure gauges , and frequent overhead electrification , prevent double-stacking. Containers are therefore hauled one-high, either on standard flatcars or other railroad cars – but they must be carried in well wagons on lines built early in the Industrial Revolution , such as in
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#1733085718982552-496: The Alabama and Gulf Coast Railway . Class III railroads are typically local shortline railroads serving a small number of towns and industries or hauling cars for one or more railroads; often, they once had been branch lines of larger railroads or even abandoned portions of main lines. Some Class III railroads are owned by railroad holding companies such as Genesee & Wyoming or Watco . Some examples of Class III railroads would be
598-677: The Clifford J. Rogers , built in 1955, and introduced containers to its railway in 1956. In the United Kingdom the modernisation plan, and in turn the Beeching Report , strongly pushed containerization. British Railways launched the Freightliner service carrying 8-foot (2.4 m) high pre-ISO containers. The older wooden containers and the pre-ISO containers were rapidly replaced by 10-and-20-foot (3.0 and 6.1 m) ISO standard containers, and later by 40-foot (12 m) containers and larger. In
644-586: The Rhine / Danube in Europe and the Mississippi River in the U.S. The term landbridge or land bridge is commonly used in the intermodal freight transport sector. When a containerized ocean freight shipment travels across a large body of land for a significant distance, that portion of the trip is referred to as the "land bridge" and the mode of transport used is rail transport . There are three applications for
690-569: The loading gauge allows it. It is also common in North America and Australia to transport semi-trailers on railway flatcars or spine cars , an arrangement called "piggyback" or TOFC ( trailer on flatcar ) to distinguish it from container on flatcar (COFC). Some flatcars are designed with collapsible trailer hitches so they can be used for trailer or container service. Such designs allow trailers to be rolled on from one end, though lifting trailers on and off flatcars by specialized loaders
736-511: The Mississippi River. Canadian Pacific Kansas City , doing business as CPKC, runs from southern Canada, then goes south through the central United States to central Mexico. In addition, the national passenger railroads in the US and Canada— Amtrak and Via Rail —would both qualify as Class I if they were freight carriers. Mexico's Ferromex would qualify as a Class I railroad if it had trackage in
782-740: The PANYNJ took over operations at the site. In 2011, the terminal handled 110,000 containers. Red Hook Container Terminal LLC operates the terminal in an agreement made in 2011 with the Port Authority when it had control over the facility. In May 2024, the Port Authority transferred ownership of the terminal to the New York City government. 40°41′15″N 74°0′12″W / 40.68750°N 74.00333°W / 40.68750; -74.00333 Intermodal freight transport Intermodal transportation has its origin in 18th century England and predates
828-526: The U.S., starting in the 1960s, the use of containers increased steadily. Rail intermodal traffic tripled between 1980 and 2002, according to the Association of American Railroads (AAR), from 3.1 million trailers and containers to 9.3 million. Large investments were made in intermodal freight projects. An example was the US$ 740 million Port of Oakland intermodal rail facility begun in the late 1980s. Since 1984,
874-523: The United Kingdom, the big four railway companies offered services using standard RCH containers that could be craned on and off the back of trucks. Moving companies such as Pickfords offered private services in the same way. In 1933 in Europe, under the auspices of the International Chamber of Commerce , The Bureau International des Containers et du Transport Intermodal (BIC; English: International Bureau for Containers and Intermodal Transport)
920-521: The United Kingdom, where loading gauges are relatively small. 610 mm ( 2 ft ) narrow-gauge railways have smaller wagons that do not readily carry ISO containers, nor do the 30-foot (9.14 m) long and 7-foot (2.13 m) wide wagons of the 762 mm ( 2 ft 6 in ) gauge Kalka-Shimla Railway . Wider narrow gauge railways of e.g. 914 mm ( 3 ft ) and 1,000 mm ( 3 ft 3 + 3 ⁄ 8 in ) gauge can take ISO containers, provided that
966-552: The United States. A Class II railroad in the United States hauls freight and is mid-sized in terms of operating revenue. Switching and terminal railroads are excluded from Class II status. Railroads considered by the Association of American Railroads as "Regional Railroads" are typically Class II. Some examples of Class II railroads would be the Florida East Coast Railway , the Iowa Interstate Railroad , and
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#17330857189821012-541: The United States. Initially (in 1911) the former federal agency Interstate Commerce Commission (ICC) classified railroads by their annual gross revenue . Class I railroads had an annual operating revenue of at least $ 1 million, while Class III railroad incomes were under $ 100,000. Railroads in both classes were subject to reporting requirements on a quarterly or annual schedule. In 1925, the ICC reported 174 Class I railroads, 282 Class II railroads, and 348 Class III railroads. The $ 1 million criterion established in 1911 for
1058-635: The United States: BNSF Railway , CSX Transportation , Canadian National Railway , CPKC , Norfolk Southern Railway , and Union Pacific Railroad . Canadian National also operates in Canada and CPKC operates in Canada and Mexico. In addition, the national passenger railroad in the United States, Amtrak , would qualify as Class I if it were a freight carrier, as would Canada's Via Rail passenger service. Mexico 's Ferromex freight railroad would also qualify as Class I, but it does not operate within
1104-666: The area serves as a common relay point for containerized freight moving across the country. Many of the motor carriers call this type of drayage “crosstown loads” that originate at one rail road and terminate at another. For example, a container destined for the east coast from the west will arrive in Chicago either via the Union Pacific or BNSF Railway and have to be relayed to one of the eastern railroads, either CSX or Norfolk Southern. Barges utilising ro-ro and container-stacking techniques transport freight on large inland waterways such as
1150-425: The carrier's annual revenue. The thresholds, last adjusted for inflation in 2019, are: In Canada , a Class I rail carrier is defined (as of 2004 ) as a company that has earned gross revenues exceeding $ 250 million (CAD) for each of the previous two years. Class I railroads are the largest rail carriers in the United States. In 1900, there were 132 Class I railroads, but as the result of mergers and bankruptcies,
1196-441: The ground. Trucking is frequently used to connect the "linehaul" ocean and rail segments of a global intermodal freight movement. This specialized trucking that runs between ocean ports, rail terminals, and inland shipping docks, is often called drayage , and is typically provided by dedicated drayage companies or by the railroads. As an example, since many rail lines in the United States terminate in or around Chicago, Illinois,
1242-650: The industry has consolidated and as of April 2023 , just six Class I freight railroads remain. BNSF Railway and Union Pacific Railroad have a duopoly over all transcontinental freight rail lines in the Western United States, while CSX Transportation and Norfolk Southern Railway operate most of the trackage in the Eastern United States, with the Mississippi River being the rough dividing line. Canadian National Railway (via its subsidiary Grand Trunk Corporation ) operates north–south lines near
1288-441: The last few years the use of several, relatively new and unknown Load Securing methods have become available through innovation and technological advancement including polyester strapping and -lashing, synthetic webbings and Dunnage Bags , also known as air bags. Container ships are used to transport containers by sea. These vessels are custom-built to hold containers. Some vessels can hold thousands of containers. Their capacity
1334-441: The loss of cargo, the loss of lives, the loss of vehicles, ships and airplane; not to mention the environmental hazards it can cause. There are many different ways and materials available to stabilize and secure cargo in containers used in the various modes of transportation. Conventional Load Securing methods and materials such as steel banding and wood blocking & bracing have been around for decades and are still widely used. In
1380-490: The lowest weight possible (and very important, little difference in the viable mass point), and low space, specially designed containers made from lightweight material are often used. Due to price and size, this is rarely seen on the roads or in ports. However, large transport aircraft make it possible to even load standard container(s), or use standard sized containers made of much lighter materials like titanium or aluminium . Class I railroad Railroad classes are
1426-420: The middle of the car between the bogies or trucks. Some container cars are built as an articulated "unit" of three or five permanently coupled cars, each having a single bogie rather than the two bogies normally found on freight cars. Containers can be loaded on flatcars or in container well cars . In North America, Australia and Saudi Arabia, where vertical clearances are generally liberal, this depression
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1472-408: The overhead wiring was too low to accommodate it. However, India is building some freight-only corridors with the overhead wiring at 7.45 m above rail, which is high enough. Containers, also known as intermodal containers or ISO containers because the dimensions have been defined by ISO, are the main type of equipment used in intermodal transport, particularly when one of the modes of transportation
1518-418: The present Suezmax . Very large container ships also require specialized deep water terminals and handling facilities. The container fleet available, route constraints, and terminal capacity play a large role in shaping global container shipment logistics. Increasingly, containers are shipped by rail in container well cars . These cars resemble flatcars but have a container-sized depression, or well, in
1564-561: The railway loading gauge is sufficient, truck trailers are often carried by rail. Variations exist, including open-topped versions covered by a fabric curtain are used to transport larger loads. A container called a tanktainer , with a tank inside a standard container frame, carries liquids. Refrigerated containers (reefer) are used for perishables. Swap body units have the same bottom corners as intermodal containers but are not strong enough to be stacked. They have folding legs under their frame and can be moved between trucks without using
1610-674: The railways. Some of the earliest containers were those used for shipping coal on the Bridgewater Canal in England in the 1780s. Coal containers (called "loose boxes" or "tubs") were soon deployed on the early canals and railways and were used for road/rail transfers (road at the time meaning horse -drawn vehicles). Wooden coal containers were first used on the railways in the 1830s on the Liverpool and Manchester Railway. In 1841, Isambard Kingdom Brunel introduced iron containers to move coal from
1656-533: The size of container ships is that larger ships exceed the capacity of important sea routes such as the Panama and Suez canals. The largest size of container ship able to traverse the Panama canal is referred to as Panamax , which is presently around 5,000 TEU . A third set of locks is planned as part of the Panama Canal expansion project to accommodate container ships up to 12,000 TEU in future, comparable to
1702-588: The system by which freight railroads are designated in the United States . Railroads are assigned to Class I, II or III according to annual revenue criteria originally set by the Surface Transportation Board in 1992. With annual adjustments for inflation, the 2019 thresholds were US$ 504,803,294 for Class I carriers and US$ 40,384,263 for Class II carriers. (Smaller carriers were Class III by default.) There are six Class I freight railroad companies in
1748-399: The term. The term reverse land bridge refers to a micro land bridge from an east coast port (as opposed to a west coast port in the previous examples) to an inland destination. Generally modern, bigger planes usually carry cargo in the containers. Sometimes even the checked luggage is first placed into containers, and then loaded onto the plane. Of course because of the requirement for
1794-444: The two classes. The bounds are typically redefined every several years to adjust for inflation and other factors. Class II and Class III designations are now rarely used outside the rail transport industry. The Association of American Railroads typically divides non–Class I companies into three categories: In the United States, the Surface Transportation Board categorizes rail carriers into Class I, Class II, and Class III based on
1840-521: The vale of Neath to Swansea Docks . By the outbreak of the First World War the Great Eastern Railway was using wooden containers to trans-ship passenger luggage between trains and sailings via the port of Harwich . The early 1900s saw the first adoption of covered containers, primarily for the movement of furniture and intermodal freight between road and rail. A lack of standards limited
1886-610: The value of this service and this in turn drove standardisation. In the U.S. such containers, known as "lift vans", were in use from as early as 1911. In the United Kingdom , containers were first standardised by the Railway Clearing House (RCH) in the 1920s, allowing both railway-owned and privately-owned vehicles to be carried on standard container flats. By modern standards these containers were small, being 1.5 or 3.0 meters (4.9 or 9.8 ft) long, normally wooden and with
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1932-445: Was established. In June 1933, the BIC decided about obligatory parameters for container use in international traffic. Containers handled by means of lifting gear, such as cranes, overhead conveyors, etc. for traveling elevators (group I containers), constructed after July 1, 1933. Obligatory Regulations: In April 1935, BIC established a second standard for European containers: In the 1950s,
1978-434: Was increased in 1992 to $ 250 million annually, which resulted in the Florida East Coast Railway having its status changed to Class II. The thresholds set in 1992 were: Since dissolution of the ICC in 1996, the Surface Transportation Board (STB) has become responsible for defining criteria for each railroad class. The STB continues to use designations of Class II and Class III as there are different labor regulations for
2024-601: Was introduced to increase shipping productivity. In Europe, the more restricted loading gauge has limited the adoption of double-stack cars. However, in 2007 the Betuweroute , a railway from Rotterdam to the German industrial heartland, was completed, which may accommodate double-stacked containers in the future. Other countries, like New Zealand , have numerous low tunnels and bridges that limit expansion for economic reasons. Since electrification generally predated double-stacking,
2070-477: Was required, fewer personnel were needed and loading times were decreased. Truck trailers were first carried by railway before World War II, an arrangement often called " piggyback ", by the small Class I railroad , the Chicago Great Western in 1936. The Canadian Pacific Railway was a pioneer in piggyback transport, becoming the first major North American railway to introduce the service in 1952. In
2116-487: Was still much break bulk cargo activity in the port. The container terminal was built in the 1980s. Nearly all labor on the terminal is supplied by Local 1814 of the International Longshoreman's Association union. There are two active container cranes along 2,080 feet berth , 3,140 feet of breakbulk berth space, two major bulk-handling yards, and approximately 400,000 square feet of warehouse. In October 2011
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