4' 8 1/2"
The standard railway gauge is 1435 mm, or 4 feet 8 1/2 inches. Many other gauges are in use around the world, but the standard gauge is the most common.
2 running rails. There may be a power rail ("the third rail") There may be guard rails at places like bridges and curves (there always are short ones at turnouts ("switches").
Meter gauge tracks are one meter or 39.4 inches apart. Standard gauge rails are 4 feet 8 and one half inches apart. Broad gauge is 5 feet between the rails. Most USA railroads use standard gauge although Broad gauge was common in the American South before the Civil War. It is still common in many parts of Russia.
10 feet
50
1/4 mile or 1320 feet.
Not--100
in little league it is 60 feet and in in the MLB it is 90 feet from one base to the other
You may not park within ______ of a railroad track.
An example of parallel lines are the two rails of a railway track, rails which never meet. An oval is a line or shape that has no parallel lines.
15 tepost
800 in a 25 ft. pool