 |
|
Standard gauge single track; Station. Gauge refers to the distance between the two rails of track. The standard gauge for mainline railroads in the United States is 4 feet 8-1/2 inches. |
 |
 |
|
Standard gauge multiple track. |
|
 |
|
Abandoned. Rails and related structures remain in place. |
|
 |
|
Railroad under construction. |
|
 |
|
Narrow gauge single track. On narrow gauge railroads, the distance between the two rails of track is smaller than the standard gauge of 4 feet 8-1/2 inches. |
|
 |
|
Narrow gauge multiple track. |
|
 |
|
Railroad in street. |
|
 |
|
Railroads in juxtaposition. (Two or more ines of track built on the same bank of earth.) |
|
 |
|
Roundhouse and turntable. |
