Clearances
The following are minimum clearances
It is very important to leave extra clearance on curved track!
Track
Track clearences are measured from the very centre of the TrackTrack must be a minimum of 12'6"(3.81m)Track must be a minimum of 8'3"(2.51m) from the edge of an embankment or cuttingBridges and Tunnels
There must be an overhead clearence of 15'(4.57m) from the top of the railBridge piers must be a minimum of 7'6" (2.29m) away from any trackStations
Platforms should be about 3'6"(1.07m) from the top of the railPlatform edges must be at least 4'9"(1.45m) from the track centreStation buildings must be more than 6'(1.83m) from the platform edgeStation Canopies must be at least 8'(2.44m) highEmbankments
Embankments must be no steeper than 1.5 to 1