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             Permitted Lane Closure

Office of Roadway Engineering


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PLCM System Administration

Standardized Calculation Method for Closure Times

Maintenance of Traffic Policy and Standard Procedure

FAQ & Definitions


All lane closures shall meet the minimum criteria presented in the current policy regarding Traffic Management in Work Zones. On the basis of this policy and related standard procedure, ODOT has developed a series of lane closure maps/schedules, Permitted Lane Closure, for freeways and expressways. These maps/schedules indicate the hours of the day when a lane closure is permitted at a subject work zone location, without further investigation. Maintenance of traffic plans shall be in conformance with the corresponding Permitted Lane Closure (PLC) map/schedule and/or policy.

ODOT Central Office Coordinator for Permitted Lane Closure