Q. How does a DOT decide whether a traffic signal should be installed on a State Highway?


The Federal Highway Administration (FHWA) publishes the:  

Manual on Uniform Traffic Control Devices

The MUTCD newsfeed keeps the news updated.

Each state may also have regulations and policies concerning traffic signals on highways. The following link provides access to state DOT websites: 


  • Last Updated Nov 25, 2019
  • Views 23
  • Answered By Victoria Milam

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