OAR 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: (1) The traffic signal design plans shall conform to the conditions listed in the STRE traffic signal approval. (2) All approaches to a traffic signal controlled intersection shall be signalized. (3) 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.