Effects of LED Roadway Lighting on Driver Sleep Health and Alertness

The objective of this research is to develop a guidance document for state DOTs that (1) describes the effects of light emitting diode (LED) roadway lighting on the sleep health and alertness of drivers, with attention to the illuminance, duration, and spectral power distribution (SPD) of the LED lighting; (2) compares these effects to those of (a) high-intensity discharge (HID) lighting and (b) the absence of roadway lighting; and (3) suggests methods to mitigate the effects, if any, of LED roadway lighting on sleep health and alertness. In this research, the term “sleep health” shall be construed to mean circadian disruption.


  • English


  • Status: Active
  • Funding: $399775
  • Contract Numbers:

    Project 05-23

  • Sponsor Organizations:

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001

    American Association of State Highway and Transportation Officials (AASHTO)

    444 North Capitol Street, NW
    Washington, DC  United States  20001

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Project Managers:

    Harrigan, Edward

  • Performing Organizations:

    Virginia Polytechnic Institute and State University, Blacksburg

    208 Patton Hall
    Blacksburg, VA  United States  24061
  • Principal Investigators:

    Bhagavathula, Rajaram

  • Start Date: 20180701
  • Expected Completion Date: 20200630
  • Actual Completion Date: 0
  • Source Data: RiP Project 41601

Subject/Index Terms

Filing Info

  • Accession Number: 01634648
  • Record Type: Research project
  • Source Agency: Transportation Research Board
  • Contract Numbers: Project 05-23
  • Files: TRB, RiP
  • Created Date: May 12 2017 1:00AM