The minimum radius of curvature for a circular railway curve of 1 degree (1° curve on 30m arc) is approximately:
A573 m
B1720 m
C1146 m
D860 m
Explanation
Degree of curve D (for 30m arc) relates to radius R by R = 1720 / D meters. For a 1° curve, R = 1720 meters.

No Comments