In rail terminology, a siding is a low-speed track section distinct from a running line or through route such as a main line, branch line, or spur. It may connect to through track or to other sidings
Railway sidings (left) beside the main running-lines (right) at Kingswear in Devon, England
On single-track lines, trains use passing sidings to pass one another. One Canadian Pacific Railway train waits on a siding while a second train passes.
Rail cars parked on sidings in Switzerland
Example of multiple team tracks
A rail yard, railway yard, railroad yard or simply yard, is a series of tracks in a rail network for storing, sorting, or loading and unloading rail vehicles and locomotives. Yards have many tracks in
Siding (rail)
…those not so connected may be referred to as single-ended or dead-end sidings, or (if short) stubs. Sidings may be used for marshalling (classifying), stabling, storing, loading, and unloading rail vehicles. Common sidings store stationary rolling stock, especially for loading and unloading. Industrial sidings…
A large Amtrak and Metra coach yard just south of Chicago Union Station. About 25 percent of all rail traffic in the United States travels through the Chicago area.
Yard for Amtrak equipment, located next to the Los Angeles River. The two tracks on the left are the mainline.
The "hump" of a hump yard. Railcars travel past retarders, which control their speed, and are directed onto tracks to be assembled into new trains. The control tower operates the retarders.
A coach yard in Shanghai, China