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2. Train horn - Wikipedia

   en.wikipedia.org/wiki/Train_horn

   That where the technology is available, drivers should only use the low tone from the two tone horn at whistle boards. For all new or replacement train horns on trains capable of travelling up to 100 mph (160 km/h) a much lower minimum sound pressure level has been established – and a maximum sound level has been introduced (min 101 dB and ...

3. Nathan Manufacturing - Wikipedia

   en.wikipedia.org/wiki/Nathan_Manufacturing

   Nathan Manufacturing, Inc. is a division of Micro Precision Group which manufactures Airchime, Ltd. train horns mainly for North America. It is one of two major train horn manufacturers in the United States, with Leslie Controls, Inc. being the other. A K5LA (K-5LA) Horn on top of a Coaster San Diego Cabcar #2310.

4. Train whistle - Wikipedia

   en.wikipedia.org/wiki/Train_whistle

   A train whistle or air whistle (originally referred to as a train trumpet or air trumpet) is an audible signaling device on a steam or gas locomotive, used to warn that the train is approaching, and to communicate with rail workers. Modern diesel and electric locomotives primarily use a powerful air horn instead of a whistle as an audible ...

5. Vehicle horn - Wikipedia

   en.wikipedia.org/wiki/Vehicle_horn

   To distinguish their sound from truck and bus air horns, train horns in the U.S. consist of groups of two to five horns (called "chimes") which have different notes, sounded together to form a chord. In Japan, most modern trains like 209 series or E233 series from the first half of the 1990s onwards use electric horns as primary in passenger use.

6. Will quiet zones silence Brightline train horns here? Not for ...

   www.aol.com/quiet-zones-silence-brightline-train...

   A northbound Brightline train carrying passengers from Miami to Orlando crosses Orange Avenue in Fort Pierce, Fla., on Monday, Oct. 9, 2023, the day the high-speed rail carrier increased its Miami ...

7. Air horn - Wikipedia

   en.wikipedia.org/wiki/Air_horn

   After an accident in which a driver mistook a train for a truck, the need for a unique-sounding train horn became clear. [1] Consequently, North American trains now have at least two horns with different tones forming the airhorn, that sound simultaneously, [citation needed] creating a harmonic interval or chord. Each individual horn is called ...