...
Skip to content

Washington Oversize Permit, Wide and Heavy Haul Information

Washington | WA

Legal Maximums: Legal Dimensional Limits. Permits will be required if these dimensions are exceeded.

Permit Maximums: Upper limits for permissible dimensions. Loads exceeding these measurements may be categorized as ‘super loads’ in some states, potentially requiring extended processing times and additional regulatory review.

Pilot Car Needed: Loads surpassing these measurements require an escort vehicle or pilot car.

Legal Maximums
Length 53′ 0″
Overhang  
– Total 18′ 0″
– Front 3′ 0″
– Back 15′ 0″ from rear axel
Width 8′ 6″
Height 14′ 0″
Weight 80,000 lbs.
Permit Maximums
Length 125′ 0″
Width 16′ 0″
Height 16′ 0″
Weight 200,000 lbs.
Pilot Car Needed
Length 125′ 0″
Overhang  
– Total N/A
– Front N/A
– Back N/A
Width 11′ 0″
Height 14′ 6″
Weight N/A

Washington Oversize and Overweight Trucking Regulations - Safety, Signage, and Visibility Requirements

Operating Hours and Travel Restrictions in Washington

Standard Operating Hours

Washington regulates the movement of overlength, overwide, and overweight loads with specific time constraints:

  • Oversized load transport is permitted from 30 minutes before sunrise to 30 minutes after sunset
  • This time frame applies to both weekdays and weekends

Holiday Restrictions

Large load transport is suspended on major holidays, including:

  • New Year’s Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day
  • Christmas Day

Additional restrictions apply when holidays fall on weekends:

  • For Saturday holidays, travel is also restricted on the preceding Friday
  • For Sunday holidays, travel is also restricted on the following Monday

Permit Validity

When registering for permits, note that they must be used within three days of the issue date, as per the Washington Department of Transportation.

Safety First: Equipment Requirements for Oversize Loads

Large loads often require additional safety equipment to enhance visibility and ensure safe transport.

Signage Requirements

  • Standard “oversize load” signs required at the front and rear of large shipments
  • Signs should feature large, black lettering on a bright yellow background
  • For specific signage requirements, contact the Washington State Department of Transportation

Flag Protocol

  • For most lengthy and wide loads, red or orange flags must be placed on each corner of the shipment

Lighting Guidelines

  • An amber-colored rotating light is required when traveling overnight or in low visibility conditions

Securing Your Washington Oversize Permit

How to Obtain a Permit

For travel permits in Washington, you have several options:

Mastering Oversize Transport in the Evergreen State

Successfully managing oversize and overweight loads in Washington requires careful adherence to the state’s regulations. By following the specified operating hours, equipping your vehicle with proper safety gear, and securing the necessary permits, you can ensure smooth and compliant transport across Washington’s diverse landscape. Remember to plan ahead for holiday restrictions and permit validity periods to maintain efficient operations in the Evergreen State.

Select your desired state below for detailed permit guidelines.

Premium Trucking Dispatch Services For Owner Operators and Trucking Companies

Getting Started Is Easy

Sign Agreement

Sign a quick service agreement

Send Us Your Docs

MC Authority, W-9, and Insurance

Start Hauling Loads

We begin dispatching immediately

We do require for a Carrier To Have At Least 4 Months of Active Authority. We only dispatch semi-truck with trailers. No box, cargo van, or hotshot dispatching available at the moment. 

Fill Out The Form Below To Get In Touch

  • This field is for validation purposes and should be left unchanged.