Oregon Department of Transportation, Highway Division

Rule Rule 734-020-0485
Design Standards for Installation or Modification of a Traffic Signal

The following design standards apply to new, replaced, or significantly modified signal installations:


The traffic signal design plans shall conform to the conditions listed in the STRE traffic signal approval.


All approaches to a traffic signal controlled intersection shall be signalized.


Design geometry of a private approach shall be consistent with that of public road intersections including curbs, appropriate lane widths, pavement markings, and vertical alignment.

Last accessed
Jun. 8, 2021