It is suggested in general that vibrations are not noticeable at distances over 300 m from the railway [23]. In this analysis this hypothesis was tested by examining distances beyond 300 m.
How far away can a train horn?
1/4 mileTrain Horn RequirementsIf a train is traveling faster than 60 mph, engineers will not sound the horn until it is within 1/4 mile of the crossing, even if the advance warning is less than 15 seconds.