OAR 734-020-0480: Traffic Signal Progression Analysis for Traffic Signal Approval

(1) A traffic signal progression analysis is required for both existing and future conditions when a proposed traffic signal location is within one half mile of any existing or proposed new traffic signal. The STRE may require traffic signal progression analysis for spacing greater than one half mile. (2) A traffic signal progression analysis for all new or modified approaches at traffic signals on state highways may be required for both existing and future conditions.