Details for Request 6-180

Request Type:	Experiment
Requesting Agency:	Oregon DOT
State:	OR
Date of Request:	4/19/2001
Topic:	Alternating Flashing Diamond Displays for Arrow Board Caution Mode
Affected Portions of 2009 MUTCD:	Section 6F.61
FHWA Ruling:	"Alternating diamonds" was incorporated into the 2009 MUTCD as an option for the caution mode display
Approval Status:	Approved
Keywords:	Temporary Traffic Control Zones