Restrictions and requirements for oversize and overweight commercial vehicles operating on Washington state roadways. Commercial vehicle drivers are responsible for verifying route restrictions, overhead height clearances, and other requirements.
Vehicles over legal dimensions and/or weight need a permit before entering the state or moving within the state. Learn how to get a permit to move oversized and overweight loads on state highway systems.
E-screening helps safe and legal carriers bypass weigh stations by identifying, weighing, and checking commercial vehicles for violations as they drive. This helps enforcement target high-risk carriers.
Commercial vehicle tools to help with issuing permits and understanding requirements.