Vehicle Code section 22406

No person may drive any of the following vehicles on a highway at a speed in excess of 55 miles per hour:

(a)

A motortruck or truck tractor having three or more axles or any motortruck or truck tractor drawing any other vehicle.

(b)

A passenger vehicle or bus drawing any other vehicle.

(c)

A schoolbus transporting any school pupil.

(d)

A farm labor vehicle when transporting passengers.

(e)

A vehicle transporting explosives.

(f)

A trailer bus, as defined in Section 636.

Source: Section 22406, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=VEH§ionNum=22406.­ (updated Jan. 1, 2001; accessed Jun. 9, 2025).

Last Updated

Jan. 1, 2001

§ 22406’s source at ca​.gov