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A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
The railway track or permanent way is the elements of railway lines: generally the pairs of rails typically laid on the sleepers or ties embedded in ballast, intended to carry the ordinary trains of a railway. It is described as a permanent way because, in the earlier days of railway construction, contractors often laid a temporary track to ...
The five-track railway line just south of Kursky Terminal is crossed through a narrow tunnel built at the beginning of the 20th century and unsuitable for a two-track tram line. Other similar stretches were removed or re-organised, since according to the standards, gauntlet tracks on tram lines are only permitted as a temporary measure. [ 14 ]
"Typical Stone Ballasted Track", photo published in 1921. Though rail tracks were held in place by wooden ties (sleepers outside the U.S. and Canada) and the mass of the crushed rock beneath them, each pass of a train around a curve, through centripetal force and vibration, produces a tiny shift in the tracks, requiring that work crews periodically realign the track.
Green track (also grassed track or lawn track) is a type of railway track in which the track bed and surrounding area are planted with grass turf or other vegetation as ground cover. [1] It is a popular way of making railways more visually appealing, [ 1 ] [ 2 ] : 10 particularly for trams and light rail , and providing additional urban green ...
Underground Ernie is a 2006 British-animated children's television series produced by Joella Productions for the BBC on both CBeebies and BBC Two, and sold internationally by BBC Worldwide.
A track crew in Louisiana adjusting a railroad track using lining bars, in 1939. The most fundamental maintenance of way task is the construction, repair, and replacement of the track and its supporting ballast and grade. In the early days of railroading, this task was almost entirely completed by manual labor.