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.
There was almost 3,00 miles of railroad tracks in 1840.