LED traffic signal monitoring, maintenance, and replacement issues /
Light emitting diode traffic signal monitoring, maintenance, and replacement issues
consultant: Thomas Urbanik II
- Washington, D.C. : Transportation Research Board, 2008.
- 32 p. ; 28 cm.
- NCHRP synthesis, 387 0547-5570 ; .
- Synthesis of highway practice ; 387. .
At head of title: National Cooperative Highway Research Program. "A synthesis of highway practice."
Includes bibliographical references (p. 12).
9780309098236 (pbk.) 0309098238 (pbk.)
2008908988
Traffic signs and signals--Maintenance and repair. Electronic traffic controls--Maintenance and repair. Light emitting diodes.