It is called a gauge. The North American railroad system's gauge is 4 ft. 8 1/2 in. in width. It is the width of a Roman chariot.
train tracks or a railroad
No they are not.
Railroad ties.
Railroad tracks are often called rails.
Interlocking joints between railroad tracks are called compromise bars. They are a set of rail joint bars that connect rails of two different sizes.
Collectively, they were called the Stockyard.
There are a lot of railroad tracks in South America.
The Gauge. In America we use standard gauge - 4 ft 8,1/2 inches.
There are 7,021 miles of railroad tracks currently in Egypt
Trestles
The distance between the inner edges of the heads of the rails is called the gauge.
1.435 m.