Section 13 AAC 02.275 - Basic rule and maximum limits(a) No person may drive a vehicle at a speed greater than is reasonable and prudent considering the traffic, roadway, and weather conditions.(b) Except when a special hazard exists that requires a lower speed for compliance with (a) of this section, the limits specified in this subsection are the maximum lawful speeds throughout the state, and no person may drive a vehicle at a speed in excess of these maximum limits, unless otherwise posted:(1) 15 miles per hour in an alley;(2) 20 miles per hour in a business district;(3) 25 miles per hour in a residential district; or(4) 55 miles per hour on any other roadway.(e) The maximum speed limits set forth in (b) of this section may be altered as authorized in 13 AAC 02.280.In effect before 7/28/59; am 12/15/61, Register 3; am 8/10/66, Register 22; am 12/31/69, Register 31; am 7/30/75, Register 55; am 6/28/79, Register 70