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Details for Request 4(09)-29

Request Type: Interpretation
Requesting Agency: California DOT
State: CA
Date of Request: 1/22/2013
Topic: Required Number of Ramp Control Signal Faces
Affected Portions of 2009 MUTCD: Section 4I.02
FHWA Ruling: A minimum of two ramp control signal faces are required for a single-lane ramp, and at least one ramp control signal face is required for each separately-controlled lane of a multi-lane entrance ramp where green indications are not always simultaneously displayed to all of the lanes.
Keywords: Signals - Lane-Use; Ramp Control; Movable Bridge