Oregon Department of Transportation, Highway Division

Rule Rule 734-020-0470
Traffic Signal Spacing Requirement

The desirable spacing of signalized intersections on statewide and regional highways is 12 mile. The STRE may approve the installation of a traffic signal at locations where 12-mile spacing is inappropriate or infeasible due to:




Existing or proposed road layout;


Identified traffic crash pattern;


Unique physical constraints; or


Existing or proposed land use patterns.

Last accessed
Jun. 8, 2021