Factors Governing The Length of Rail
The standard rail length prescribed on Indian railways are given below:
- 12.80 m (42 ft) length for Broad gauge.
- 11.89 m (39 ft) length for Meter Gauge.
The length of rails is governed by the following factors:
1. The length of the rails is so chosen that the manufacturing cost is most reasonable.
2. Transportation facilities available.
3. Facilities available for lifting and handling of the rails.
4. Reasonable expansion gap at rail joints.