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A level crossing is an intersection where a railway line crosses a road, path, or (in rare situations) airport runway, at the same level, [1] as opposed to the railway line crossing over or under using an overpass or tunnel. The term also applies when a light rail line with separate right-of-way or reserved track crosses a road in the same fashion.
It is composed of two slats of wood or metal of equal length, fastened together on a pole in a saltire formation (resembling the letter X). Crossbucks are often supplemented by electrical warnings of flashing lights, a bell, and/or a boom barrier that descends to block the road and prevent traffic from crossing the tracks.
A Magnetic flagman wigwag signal in use in southern Oregon, June 2007. Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum -like motion that signaled a train's approach. The device is generally credited to Albert Hunt, a mechanical engineer at Southern California 's Pacific ...
A level junction (or in the United Kingdom a flat crossing) is a railway junction that has a track configuration in which merging or crossing railroad lines provide track connections with each other that require trains to cross over in front of opposing traffic at grade (i.e. on the level). The cross-over structure is sometimes called a diamond ...
The costs of installing lights and gates, he said, has gotten out of hand. “The railroads increased the cost to upgrade a crossing to $150,000, then $200,000, then $250,000, then to $300,000 and ...
11,000 (2003) with 6% of truck traffic. Location. The Norfolk Southern–Gregson Street Overpass, also known as the 11-foot-8 Bridge or the Can Opener Bridge,[a] is a railroad bridge in Durham, North Carolina, United States. Built in 1940, the bridge allows passenger and freight trains to cross over South Gregson Street in downtown Durham and ...
Triple Crossing. Coordinates: 37.532012°N 77.431641°W. Triple Crossing in 1919. The Triple Crossing in Richmond, Virginia is one of two places in North America where three railroad lines cross at different levels at the same spot, the other being the BNSF operated Santa Fe Junction in Kansas City. Santa Fe Junction became a triple crossing ...
Double junction, or level junction (left hand running). A double junction is a railway junction where a double-track railway splits into two double track lines. Usually, one line is the main line and carries traffic through the junction at normal speed, while the other track is a branch line that carries traffic through the junction at reduced speed.