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Details for Request 4(09)-1

Request Type:	Interpretation
Requesting Agency:	City of Marysville
State:	WA
Date of Request:	2/2/2010
Topic:	Covering Signals Out of Service
Affected Portions of 2009 MUTCD:	Section 4D.01
FHWA Ruling:	2/22/2010 – When out of service, entire signal face, including backplate, should be fully covered or turned to not reflect light back to road users, if backplate has retroreflective yellow border.
Keywords:	Traffic Control Signals

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