OAR 735-124-0070: Number of Passengers — Standees — Passenger Compartment

All Class “A” and “B” type vehicles equipped with seats of any kind shall be provided with an aisle (or passageway between seats) at least 12 inches in width leading to the emergency exit. Workers shall not sit on the floor in such aisles or passageways while the vehicle is in motion. Not more than one worker per row of seats shall be permitted to stand. No workers shall be permitted to stand or sit in the driver’s compartment ahead of the front row of seats. Under no cir cumstances shall boards be placed across an aisle to provide additional seating space. Neither shall seats of any type be placed in an aisle. Substantial handholds shall be provided for standees.