SPEED LAWS SPEED LIMITATION LAW Motordriven cycle speed is limited by intensity of headlamp. Slow speed  — A driver may not drive at such slow speed as to hold back or block the  normal and reasonable flow of traffic.  Reckless driving  — A willful disregard for the safety of persons or property. Conviction will  result in a license revocation.  On multi-lane highways  — If you drive slower than other traffic, use the right, outside  lane, except when passing.  Traffic Safety Corridors  — To promote traffic safety, certain portions of the highway may  be designated as traffic safety corridors. Fines for traffic offenses occurring in the corridor  are doubled. A person may not drive a vehicle upon a highway at a speed greater than will permit them  to stop within the assured clear distance ahead.  When driving conditions are less than ideal a person operating a motor vehicle on the  highway shall drive at a careful and prudent speed no greater than what is reasonable and  proper having due regard for the following conditions:  Any other roadway ........................ 55* *Local authorities or the State Department of Transportation and Public Facilities may  alter speed limits (13 AAC 02.280). Speed limits on selected highways may be posted at 65. The following speed limits are established by law as the maximum to be driven under  favorable conditions on highways which are not otherwise posted.  (See speed limitation  below).  Lamps reveal person or vehicle at 100 feet  20 mph or less  Lamps reveal person or vehicle at 200 feet  21 to 29 mph Lamps reveal person or vehicle at 300 feet  30 mph or more  A. Traffic —When traffic is heavy, congested, or moving slowly. B. Surface —When the road surface is rough, icy, wet, or otherwise provides poor traction. C. Width —When the width of the roadway reduces your margin of safety. D. Weather —When weather conditions affect sight, distance, and traction. (Rain, snow, fog, dust, or smoke.) Business district, 20 mph.* Alley,  15 mph. * School zone, 20 mph.* Residential district, 25 mph.*