With a quiet background (countryside night time) 6–8 miles. Suburban, 2–3 miles. Loud city, 1 mile if you're listening for it.
How far must you be able to hear a horn?
Every motor vehicle must be equipped with a horn in good working order that can be heard for a distance of not less than 60 metres (200 feet) but a horn must not emit an unreasonably loud or harsh sound or whistle.
Why do trains honk when going through towns?
Why do trains sound their horn? Federal law requires the train crew when approaching a road crossing to sound the horn at all public crossings for the protection and safety of motorists and pedestrians regardless of whether crossings with gates and lights are present.
Why can I hear a train from miles away?
When air warms with altitude a temperature inversion exists. Sound travels faster in warm air than it does in cool air. This means the sound of a train horn will bend downward when it passes through an inversion causing sound waves to propagate farther than normal.
Why can you hear train horns from so far away?
Why can I hear a train so far away?
Sound travels faster in warm air than it does in cool air. This means the sound of a train horn will bend downward when it passes through an inversion causing sound waves to propagate farther than normal.
Does your car must have a horn that can be heard from a distance of 200 feet?
The horn must be: Designed for the vehicle and in proper working condition. Loud enough to hear from a distance of at least 200 feet. NOTE: The horn cannot be a bicycle horn.
Why are trains blowing horns 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.
Is it illegal to honk your horn in California?
California Code states that you can use a horn to warn someone “when reasonably necessary to insure safe operation.” The only other time your horn should sound is when it goes off as part of the theft alarm system activation.
Is it illegal to smoke cigarettes in your car in California?
CA Codes (hsc:118947-118949)118948. (a) It is unlawful for a person to smoke a pipe, cigar, or cigarette in a motor vehicle, whether in motion or at rest, in which there is a minor.