Section 257.627 - Speed limitations.
MICHIGAN VEHICLE CODE (EXCERPT)
Act 300 of 1949
257.627 Speed limitations.
Sec. 627.
(1) A person operating a vehicle on a highway shall operate that vehicle at a careful and prudent speed not greater than nor less than is reasonable and proper, having due regard to the traffic, surface, and width of the highway and of any other condition then existing. A person shall not operate a vehicle upon a highway at a speed greater than that which will permit a stop within the assured, clear distance ahead.
(2) Except in those instances where a lower speed is specified in this chapter or the speed is unsafe pursuant to subsection (1), it is prima facie lawful for the operator of a vehicle to operate that vehicle at a speed not exceeding the following, except when this speed would be unsafe:
(a) 25 miles per hour on all highways in a business district as that term is defined in section 5.
(b) 25 miles per hour in public parks unless a different speed is fixed and duly posted.
(c) 25 miles per hour on all highways or parts of highways within the boundaries of land platted under the land division act, 1967 PA 288, MCL 560.101 to 560.293, or the condominium act, 1978 PA 59, MCL 559.101 to 559.276, unless a different speed is fixed and posted.
(d) 25 miles per hour on a highway segment with 60 or more vehicular access points within 1/2 mile.
(e) 35 miles per hour on a highway segment with not less than 45 vehicular access points but no more than 59 vehicular access points within 1/2 mile.
(f) 45 miles per hour on a highway segment with not less than 30 vehicular access points but no more than 44 vehicular access points within 1/2 mile.
(3) It is prima facie unlawful for a person to exceed the speed limits prescribed in subsection (2), except as provided in section 629.
(4) A person operating a vehicle in a mobile home park as defined in section 2 of the mobile home commission act, 1987 PA 96, MCL 125.2302, shall operate that vehicle at a careful and prudent speed, not greater than a speed that is reasonable and proper, having due regard for the traffic, surface, width of the roadway, and all other conditions existing, and not greater than a speed that permits a stop within the assured clear distance ahead. It is prima facie unlawful for the operator of a vehicle to operate that vehicle at a speed exceeding 15 miles an hour in a mobile home park as defined in section 2 of the mobile home commission act, 1987 PA 96, MCL 125.2302.
(5) A person operating a passenger vehicle drawing another vehicle or trailer shall not exceed the posted speed limit.
(6) Except as otherwise provided in this subsection, a person operating a truck with a gross weight of 10,000 pounds or more, a truck-tractor, a truck-tractor with a semi-trailer or trailer, or a combination of these vehicles shall not exceed a speed of 55 miles per hour on highways, streets, or freeways and shall not exceed a speed of 35 miles per hour during the period when reduced loadings are being enforced in accordance with this chapter. However, a person operating a school bus, a truck, a truck-tractor, or a truck-tractor with a semi-trailer or trailer described in this subsection shall not exceed a speed of 60 miles per hour on a freeway if the maximum speed limit on that freeway is 70 miles per hour.
(7) Except as otherwise provided in subsection (6), a person operating a school bus shall not exceed the speed of 55 miles per hour.
(8) The maximum rates of speeds allowed under this section are subject to the maximum rate established under section 629b.
(9) A person operating a vehicle on a highway, when entering and passing through a work zone described in section 79d(a) where a normal lane or part of the lane of traffic has been closed due to highway construction, maintenance, or surveying activities, shall not exceed a speed of 45 miles per hour unless a different speed limit is determined for that work zone by the state transportation department, a county road commission, or a local authority, based on accepted engineering practice. The state transportation department, a county road commission, or a local authority shall post speed limit signs in each work zone described in section 79d(a) that indicate the speed limit in that work zone and shall identify that work zone with any other traffic control devices necessary to conform to the Michigan manual of uniform traffic control devices. A person shall not exceed a speed limit established under this section or a speed limit established under section 628 or 629.
(10) Subject to subsections (1) and (2)(c), speed limits established pursuant to this section are not valid unless properly posted. In the absence of a properly posted sign, the speed limit in effect shall be the general speed limit pursuant to section 628(1).
(11) Nothing in this section prevents the establishment of an absolute speed limit pursuant to section 628. Subject to subsection (1), an absolute speed limit established pursuant to section 628 supersedes a prima facie speed limit established pursuant to this section.
(12) Nothing in this section shall be construed as justification to deny a traffic and engineering investigation.
(13) As used in this section, "vehicular access point" means a driveway or intersecting roadway.
(14) A person who violates this section is responsible for a civil infraction.
History: 1949, Act 300, Eff. Sept. 23, 1949 ;-- Am. 1957, Act 190, Eff. Sept. 27, 1957 ;-- Am. 1959, Act 76, Eff. Mar. 19, 1960 ;-- Am. 1962, Act 120, Eff. Mar. 28, 1963 ;-- Am. 1966, Act 223, Imd. Eff. July 11, 1966 ;-- Am. 1974, Act 28, Imd. Eff. Mar. 2, 1974 ;-- Am. 1976, Act 190, Imd. Eff. July 8, 1976 ;-- Am. 1978, Act 510, Eff. Aug. 1, 1979 ;-- Am. 1986, Act 92, Eff. June 5, 1986 ;-- Am. 1988, Act 460, Imd. Eff. Dec. 27, 1988 ;-- Am. 1990, Act 165, Imd. Eff. July 2, 1990 ;-- Am. 2003, Act 315, Eff. Apr. 8, 2004 ;-- Am. 2004, Act 62, Imd. Eff. Apr. 13, 2004 ;-- Am. 2006, Act 19, Eff. Nov. 9, 2006 ;-- Am. 2006, Act 85, Eff. Nov. 9, 2006