Per Oregon:
Seems to me I remember seeing signs referring to trailers, too...but they must be in "special" areas. There doesn't appear to be anything on the subject codified Statewide, at least according to the following posted at
this ODOT speed limit info page.Oregon DOT wrote:
State statutes give Oregon motorists the following speed zone standards:
15 mph-alleys, narrow residential roadways
20 mph-business districts, school zones
25 mph-residential districts, public parks, ocean shores
55 mph-open and rural highways (all vehicles); trucks, school buses, worker transport buses on interstate highways
65 mph-autos on interstate highways
Posted speeds override these statutory standards.
