All about the name Prem: Meaning, origin, and popularity of Prem. What does Prem mean? Click for more information about the name Prem and thousands of other baby names. All about the name Prem: Meaning, origin, and popularity of Prem.
Train crews may also sound their horns when there is a vehicle, person, or animal on or near the track, and the crew determines it is appropriate to provide warning. Crews may also sound the horn when. there are track or construction workers within 25 feet of a live track, or when gates and lights at the.
Train whistle. A train whistle or air whistle (originally referred to as a steam trumpet) is an audible signaling device on a steam locomotive used to warn that the train is approaching, and to communicate with rail workers. Modern locomotives primarily use a powerful air horn instead of a whistle as an audible warning device.