The desirable spacing of signalized intersections on statewide and regional highways is 1/2 mile. The STRE may approve the installation of a traffic signal at locations where 1/2-mile spacing is inappropriate or infeasible due to:
Or. Admin. Code § 734-020-0470
Stat. Auth.: ORS 184.616, 184.619, 366.205 & 810.200
Stats. Implemented: ORS 810.200 & 810.210