On defined sections of state highways the Chief Engineer shall install signs for each direction of traffic using the legend "ONE-WAY TRAFFIC FOR TRUCKS AND BUSES AHEAD" and "ONE-WAY TRAFFIC FOR TRUCKS AND BUSES" at the beginning of the defined section.
Or. Admin. R. 734-020-0125
Stat. Auth.: ORS 184 & ORS 366
Stats. Implemented: ORS 810.030