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Construction Equipment and Heavy Haul Permits

Washington State requires special trucking permits for moving construction equipment and heavy haul loads that exceed legal weight, length, width, or height limits. These permits are issued by the Washington State Department of Transportation (WSDOT) and are designed to protect infrastructure, ensure safety, and maintain compliance on public roads.

Feb. 5, 2026, 10:33 a.m.

When Do You Need a Trucking Permit in Washington?

In Washington State, commercial vehicles need special trucking permits before operating on public highways in various situations — especially when the vehicle, its load, or your registration status triggers specific requirements.

Jan. 27, 2026, 9:01 p.m.

Washington Truck Permit Requirements for Owner-Operators

Truck permit requirements in Washington State — straight to what matters if you own and operate your own truck.

Jan. 25, 2026, 10:36 a.m.

Escort and Pilot Car Requirements in Washington

Washington State requires escort (pilot) vehicles for certain oversize and overweight loads to improve safety, protect infrastructure, and manage traffic flow. These requirements are strictly enforced by WSDOT and the Washington State Patrol (WSP).

Jan. 23, 2026, 7:46 p.m.

Axle, Weight, and Dimension Limits in Washington

Understanding axle, weight, and dimension limits in Washington State is essential for trucking companies, owner-operators, and heavy haul carriers. Operating outside legal limits without the proper permits can lead to fines, delays, and out-of-service orders. This guide explains Washington’s standard limits and when permits are required.

Jan. 21, 2026, 8:39 p.m.

How Washington Enforces Truck Permit Compliance

Washington State is known for strict enforcement of trucking permits, especially for oversize and overweight vehicles. Compliance ensures road safety, protects bridges and infrastructure, and keeps deliveries on schedule. Enforcement is a combination of weigh stations, roadside inspections, escort requirements, and technology-driven monitoring.

Jan. 19, 2026, 11:57 a.m.

Port-Related Truck Permits (Seattle, Tacoma, Vancouver)

Washington’s major ports are critical freight hubs, but operating trucks in and out of them requires special permits, registrations, and compliance with multiple agencies. The ports of Seattle, Tacoma, and Vancouver (WA) each have unique rules that go beyond standard Washington State trucking permits.

Jan. 17, 2026, 5:55 p.m.

Permits Required for Out-of-State Carriers Operating in Washington

A short-term permit that lets an out-of-state commercial vehicle legally operate on Washington highways without full state registration (IRP). It’s intended for one-time trips, new vehicles awaiting registration, or carriers not based in Washington.

Jan. 15, 2026, 10:50 a.m.

Do You Need a Fuel Permit Without IFTA in Washington?

In Washington State, most commercial motor carriers report fuel use through IFTA (International Fuel Tax Agreement). But some carriers do not have IFTA credentials and may be wondering if they still need a fuel permit to operate legally.

Jan. 13, 2026, 12:49 p.m.