Axle spacing report
If your vehicle is overweight, you will need an axle spacing report number. Get your axle spacing report number using the calculator on this page.
The axle spacing report number is required for each overweight permit. The report number will be assigned to the configuration.
To create your axle spacing report number, you will need the tire size of all two-tire axles and the distance between each axle (feet and inches). This is a helpful tool for knowing the weight limitations of a vehicle combination or single unit:
After calculating and saving the axle spacing report, an axle spacing report number will be provided. This report number will always be assigned to the combination. If you have any trouble, there is a step-by-step tutorial for help with the axle spacing report (PDF 112KB).
Slow down – lives are on the line.
In 2023, speeding continued to be a top reason for work zone crashes.
Even one life lost is too many.
Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.
It's in EVERYONE’S best interest.
95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.