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:

(1)

Topography;

(2)

Existing or proposed road layout;

(3)

Identified traffic crash pattern;

(4)

Unique physical constraints; or

(5)

Existing or proposed land use patterns.
Source

Last accessed
Jun. 8, 2021