16 — December 2020 tripcheck.com/pages/chain-law ODOT/Winter Road Guide Oregon Commercial Vehicle Chain Law Oregon’s chain law applies to all highways throughout the state. When you drive in winter conditions, you may see signs telling you to carry chains and when you are required to use them. Chains that are required on commercial vehicles must be placed on: Drive Axle • Super Single: on two tires, one on each side • Tandem axle primary drive: two tires on each side of drive axle • Tandem axle dual drive: one tire on each side of each drive axle Trailers • Two tires, one on each side of any axle If both axles are powered by the drive line, one tire on each side of each drive axle Two tires, one on each side of any axle Two tires, one on each side of any axle Two tires, one on each side of any axle If both axles are powered by the drive line, one tire on each side of each drive axle One tire either side, either axle Two tires on each side of the primary drive axle Two tires, one on each side of any axle Two tires, one on each side of any axle KEY Tire witout chain Tire with chain Chains may be placed on either axle Chains may be placed on either side visit: www.tripcheck.com/pages/chain-law To sign up for emergency text alerts, visit: public.govdelivery.com/accounts/ORDOT/subscriber/new