What distance should a horn be heard?
What distance should a horn be heard? Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than two hundred feet (200'), but no horn or other warning device shall emit an unreasonably loud or harsh sound or a whistle.
How loud is a train whistle?
The maximum volume level for the train horn is 110 decibels, and the minimum sound level is 96 decibels.
Why are train horns so loud?
Its primary purpose is to alert persons and animals to an oncoming train, especially when approaching a level crossing. They are often extremely loud, allowing them to be heard from great distances. They are also used for acknowledging signals given by railroad employees, such as during switching operations.
Why do trains honk 4 times?
Anyway, don't blame the engineer: They're required to blow that horn. The regulation in question is called the Final Rule on the Use of Locomotive Horns—a name that strongly implies they've had just about enough of your bitching—and it requires four blasts 15 to 20 seconds before every crossing.
Why do trains honk at night?
The reason that trains honk their horns so much at night is because it's dark and the trains aren't so easy to see. Even though the lights are on, we sometimes can't see them coming, especially around the many blind curves near or ahead of the train station.