K.S.A. 8-1734: Braking systems for motor vehicles and combinations of vehicles; performance requirements; additional braking systems, when; antique vehicles exempted.

(a) Every motor vehicle and every combination of vehicles shall have a service braking system which will stop such vehicle or combination within forty (40) feet from an initial speed of twenty (20) miles per hour on a level, dry, smooth, hard surface.

(b) Every motor vehicle and combination of vehicles shall have a parking brake system adequate to hold such vehicle or combination on any grade on which it is operated under all conditions of loading, on a surface free from snow, ice or loose material.

(c) When necessary for the safe operation of any vehicle or class of vehicles, the secretary of transportation may require additional braking systems.

(d) The provisions of this section shall not apply to vehicles registered pursuant to K.S.A. 8-166 et seq., and any amendments thereto.