What are the train horn sound requirements in the new FRA Train Horn Rule?
• The locomotive horn must be sounded 15 to 20 seconds prior to and until the train arrives at the crossing. • The locomotive horn should not be sounded greater than 1/4 mile in advance of a grade crossing. • The minimum sound level of the locomotive horn is 96 decibels (dBA) 100 feet in front of the train in its direction of travel. • The new maximum is 110 dBA at 100 feet in front of the train in its direction of travel. Does the Train Horn Rule provide a method to simultaneously silence the locomotive horn and promote grade crossing safety? The new FRA rule sanctions the establishment of “Quiet Zones” where the conventional train horn may be silenced at the grade crossings. Flashing light signals with gates, as the minimum level of protection, are required at all grade crossings within new Quiet Zones. The grade crossing warning devices must be activated by constant warning circuitry. Each highway approach to every public and private grade crossing within a new Quiet Zone must have
