§17C-6-2. Establishment of State Speed Zones
Whenever the state road commissioner shall determine upon the basis of an engineering and traffic investigation that any speed limit set forth in this article is greater or less than is reasonable or safe under the conditions found to exist at any intersection or other place or upon any part of a highway, said commissioner […]
§17C-6-3. When Local Authorities May Alter Speed Limits
(a) At intersection. — Whenever local authorities within their respective jurisdictions determine upon the basis of an engineering and traffic investigation that the speed permitted under this chapter at any intersection is greater than is reasonable or safe under the conditions found to exist at such intersection, such local authority subject to subsection (e) of […]
§17C-6-1. Speed Limitations Generally; Penalty
(a) No person may drive a vehicle on a highway at a speed greater than is reasonable and prudent under the existing conditions and the actual and potential hazards. In every event speed shall be controlled as necessary to avoid colliding with any person, vehicle or other conveyance on or entering the highways in compliance […]