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

Tunnels, Safety and Security Issues in

Tunnels are a cost-effective traffic engineering method allowing roads or railways to traverse difficult terrain such as mountains, waterways, or congested urban areas while mitigating environmental impacts. Tunnels have historically been key components of automobile, mass transit, and ...

    • 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