Oregon:ORS 811.430(1)
- 811.430 Driving on highway divider; exceptions; penalty.
- (1) A person commits the offense of driving on a highway divider if the person drives a vehicle over, across or within a dividing space, barrier or section that is an intervening space, physical barrier or clearly indicated dividing section so constructed as to impede vehicular traffic and that divides a highway into two or more roadways.
(Source: http://www.leg.state.or.us/ors/811.html)