(a) The service brakes upon any motor vehicle or combination of vehicles shall be adequate to stop such vehicle when traveling 20 miles per hour within a distance of 30 feet when upon dry asphalt or concrete pavement surface free from loose material where the grade does not exceed 1 percent.
(b) Under the road conditions mentioned in subsection (a) of this section, the hand brake shall be adequate to stop the vehicle within a distance of 55 feet and the hand brake shall be adequate to hold such vehicle stationary on any grade upon which operated.
(c) Under the road conditions mentioned in subsection (a) of this section, the service brakes upon a motor vehicle equipped with 2-wheel brakes only shall be adequate to stop the vehicle within a distance of 40 feet and the hand brake adequate to stop the vehicle within a distance of 55 feet.
Structure Delaware Code
Chapter 43. EQUIPMENT AND CONSTRUCTION OF VEHICLES
Subchapter I. Equipment Requirements
§ 4302. Projections from periphery of tires; exceptions.
§ 4303. Brakes — General requirements.
§ 4304. Brakes — Performance requirements.
§ 4305. Brakes — Trailers and semitrailers.
§ 4306. Horns and other sound devices; unlawful use.
§ 4307. Warning devices for emergency vehicles.
§ 4309. Obstructions to view on windshield or windows.
§ 4311. Mufflers; cutout prohibited.
§ 4312. Safety glass — Equipment; definition.
§ 4313A. Commercial window tinting.
§ 4314. Lights and reflectors; change of original design or performance of vehicle.
§ 4315. Penalties for §§ 4301-4316.
§ 4316. Directional signal lights.
§ 4317. Protectors or flaps behind rear wheels of vehicles.