• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Heavy rail is a significant component in the transportation network of the United States. It consists of electrically propelled cars that operate in a tunnel (subway), on elevated tracks, or on a separated right-of-way. The trains of four to 10 cars, ...

Loading
  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles