Washington
What is the maximum height for Washington?
For Washington, maximum height is fourteen feet; statute / authority citation is RCW 46.44.020, recorded from its source on 2026-08-18.
It is unlawful for any vehicle unladen or with load to exceed a height of fourteen feet above the level surface upon which the vehicle stands.
— app.leg.wa.gov, retrieved 2026-08-18
- State
- Washington our reading
- Maximum height
- fourteen feet verified
- Statute / authority citation
- RCW 46.44.020 our reading
- RCW 46.44.010 per app.leg.wa.gov
- RCW 46.44.030 per app.leg.wa.gov
- Maximum width
- eight and one-half feet per app.leg.wa.gov
- Maximum semitrailer length
- 53 feet per app.leg.wa.gov
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What app.leg.wa.gov says
The total outside width of any vehicle or load thereon must not exceed eight and one-half feet;
— app.leg.wa.gov, retrieved 2026-08-18
What app.leg.wa.gov says
(2)(a) It is unlawful for any person to operate upon the public highways of this state any combination consisting of a tractor and semitrailer that has a semitrailer length in excess of 53 feet or a combination consisting of a tractor and two trailers in which the combined length of the trailers exceeds 61 feet, with or without load.
— app.leg.wa.gov, retrieved 2026-08-18
Sources
- app.leg.wa.govhttps://app.leg.wa.gov/RCW/default.aspx?cite=46.44.020
- app.leg.wa.govhttps://app.leg.wa.gov/RCW/default.aspx?cite=46.44.010
- app.leg.wa.govhttps://app.leg.wa.gov/RCW/default.aspx?cite=46.44.030