ROH §15-19.25
Brake stopping distance rules for vehicles
Read the official text at honolulu.gov ↗This section sets the minimum stopping ability for every vehicle or combination of vehicles on the road. It requires that the service brake can stop the vehicle within a certain distance from 20 miles per hour on a dry, level road, or achieve a certain deceleration rate. The exact distances depend on whether all wheels have brakes.
everyone
The ordinance, as written (Honolulu County) — Performance ability of brakes
A copy, taken August 22, 2026. The version published by Honolulu is the one that governs, and it may have changed since. Check it before relying on anything here.
Every motor vehicle or combination of motor-drawn vehicles shall be capable, at all times and under all conditions of loading, of being stopped on a dry, smooth, approximately level road free from loose material, upon application of the service (foot) brake, within the distance specified below, or shall be capable of being decelerated at a sustained rate corresponding to the distances specified below:
Feet to Stop from 20 Miles per Hour
Deceleration in Feet per Second
Vehicles or combinations of vehicles having brakes on all wheels
30
14
Vehicles or combinations of vehicles not having brakes on all wheels
40
10.7
Published by the City and County of Honolulu through American Legal Publishing.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.