(a) No person shall drive a vehicle on a highway at a speed greater than is reasonable and prudent under the conditions and having regard to the actual and potential hazards then existing. Any person shall drive at a safe and appropriate speed when approaching and crossing an intersection or railroad grade crossing, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, and when special hazards exist with respect to pedestrians or other traffic or by reason of weather or highway conditions.
(b) Except when a special hazard exists that requires lower speed for compliance with subsection (a) of this section or when signs permit or require a different speed limit the limits set forth herein, shall be maximum lawful speeds, and no person shall drive a vehicle on a highway at a speed in excess of the following maximum limits:
(1) Twenty-five (25) miles per hour in any residential district or where not otherwise posted or provided in this Code.
(2) Twenty (20) miles per hour in any business district.
Source: Code 1962, § 10-9-1
State law reference--Similar provisions, R.R.S. 1943, 60-6,186.