TY  - BOOK
AU  - Urbanik,T.
ED  - National Research Council (U.S.).
ED  - National Cooperative Highway Research Program.
ED  - American Association of State Highway and Transportation Officials.
ED  - United States.
TI  - LED traffic signal monitoring, maintenance, and replacement issues
T2  - NCHRP synthesis,
SN  - 9780309098236 (pbk.)
AV  - TE228 .U73 2008
U1  - 0 
PY  - 2008///
CY  - Washington, D.C.
PB  - Transportation Research Board
KW  - Traffic signs and signals
KW  - Maintenance and repair
KW  - Electronic traffic controls
KW  - Light emitting diodes
N1  - At head of title: National Cooperative Highway Research Program; "A synthesis of highway practice."; Includes bibliographical references (p. 12); Also available online
UR  - http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_syn_387.pdf
ER  -