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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 ...
Section through railway track and foundation showing the ballast and formation layers The track bed or trackbed is the groundwork onto which a railway track is laid. Trackbeds of disused railways are sometimes used for recreational paths or new light rail links.
A garden railway's scale is usually in the range of 1/32 to 1/12 (1:12), running on either 45 mm (1.772 in) or 32 mm (1.26 in) gauge track. 1/32 scale (1:32) is also called "three-eighths scale" meaning 3/8 of an inch on the model represents one foot on the real thing.
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.
Railroad ecology or railway ecology is a term used to refer to the study of the ecological community growing along railroad or railway tracks and the effects of railroads on natural ecosystems. Such ecosystems have been studied primarily in Europe. Similar conditions and effects appear also by roads used by vehicles.
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Layers in the construction of a mortarless pavement: A.) Subgrade B.) Subbase C.) Base course D.) Paver base E.) Pavers F.) Fine-grained sand Section through railway track and foundation showing the sub-grade. In transport engineering, subgrade is the native material underneath a constructed road, [1] pavement or railway track (US: railroad