Oregon Vehicle Equipment Generally ORS 815.035 Rules for standards for roadside warning devices The Department of Transportation shall adopt rules to establish standards for roadside vehicle warning devices for purposes of ORS 811.530 (Failure to post warnings for disabled vehicle) and 815.285 (Failure to carry roadside vehicle warning devices). The rules shall include requirements for the placement and use of such warning devices to provide warning of disabled vehicles. [1985 c.16 §230]