ORS 820.180: Unsafe school vehicle operation; penalty.

(1) A person commits the offense of unsafe school vehicle operation if:

      (a) The person operates or owns and causes or permits to be operated a school bus or school activity vehicle in a manner that is in violation of any standards and rules applicable to the vehicle that are adopted under ORS 820.100 to 820.120;

      (b) The person owns or leases and causes or permits to be operated for school purposes a school bus or school activity vehicle containing more passengers than the vehicle is designed to transport; or

      (c) The person operates or owns and causes or permits to be operated a school bus manufactured before April 1, 1977.

      (2) A person is not in violation of subsection (1)(b) of this section if a bus or vehicle contains more passengers than it is designed to transport due to unforeseen or unusual circumstances.

      (3) The offense described in this section, unsafe school vehicle operation, is a Class B traffic violation.