What are the regulations governing oversize load signs?
Regulations for oversize load signs are spelled out in Oregon Administrative Rule 734-082-0037. Vehicles transporting over-length or over-width loads are required to display to the front and rear standard signs bearing the words “OVERSIZE LOAD”: • Signs shall be seven feet wide by 18 inches high with black letters 10 inches high with 1-5/8 inch brush stroke in accordance with Federal Highway Administration series C on highway yellow background. • The highway yellow background of the sign shall be made of reflectorized material when operating between one half hour after sunset and one half hour before sunrise. Signs must be kept clean, legible and mounted horizontally with adequate support to provide full visibility at all times when in use. • Signs may have a border with not more than 1-5/8 inch brush stroke around the edge of the sign. • Signs shall not cover or interfere with the visibility of the vehicle’s registration plates. To meet this requirement, plates may be mounted to cover
