Vehicle Code section 21100.5
(a)
Regulating the size of vehicles used on streets under their jurisdiction.(b)
Regulating the number of vehicles permitted on streets under their jurisdiction.(c)
Prohibiting the operation, on streets under their jurisdiction, of designated classes of vehicles.(d)
Establishing noise limits, which are different from those prescribed by this code, for vehicles operated on streets under their jurisdiction and prohibiting the operation of vehicles which exceed such limits.(e)
Establishing a maximum speed limit lower than that which the local authority otherwise permitted by this code to establish.
Source:
Section 21100.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH§ionNum=21100.5.
(accessed Apr. 24, 2025).