Search results
Results from the WOW.Com Content Network
The Union Pacific Railroad (reporting marks UP, UPP, UPY) is a Class I freight-hauling railroad that operates 8,300 locomotives over 32,200 miles (51,800 km) routes in 23 U.S. states west of Chicago and New Orleans.
Rising at a steady two-percent grade, the track gains 77 feet (23 m) in elevation and makes a 1,210-foot-diameter (370 m) circle. [1] [2] Any train that is more than 3,800 feet (1,200 m) long—about 56 boxcars—passes over itself going around the loop. At the bottom of the loop, the track passes through Tunnel 9, the ninth tunnel built as the ...
A container train passing through Jacksonville, Florida, with 53 ft (16.15 m) containers used for shipments within North America. Double-stack rail transport is a form of intermodal freight transport in which railroad cars carry two layers of intermodal containers.
A container crane is mounted on rails moving parallel to the ship's side, with a large boom spanning the distance between the ship's cargo hold and the quay. [5] Straddle carriers, and the larger rubber tyred gantry crane are able to straddle container stacks as well as rail and road vehicles, allowing for quick transfer of containers. [5]
Freight railroads play an important role in the U.S. economy, especially for moving imports and exports using containers, and for shipments of coal and oil. Productivity rose 172% between 1981 and 2000, while rates decreased by 55%, after accounting for inflation. Rail's share of the American freight market rose to 43%. [14]
This system used roller containers that were moved by rail, truck and ship, in various configurations up to a capacity of 5,500 kg (12,100 lb), and up to 3.1 by 2.3 by 2 metres (10 ft 2 in × 7 ft 6 + 1 ⁄ 2 in × 6 ft 6 + 3 ⁄ 4 in) size.
The group of rail vehicles making up a train, or more commonly a group of locomotives connected together for multiple-unit (MU) operation [76] [77] Control point (CP) (US) An interlocking, or the location of a track signal or other marker with which dispatchers can specify when controlling trains [ 65 ]
This article is a list of important rail yards in geographical order. These listed may be termed Classification, Freight, Marshalling, Shunting, or Switching yards, which are cultural terms generally meaning the same thing no matter which part of the world's railway traditions originated the term of art.