Summary of State Speed Laws - NHTSA
Summary of State Speed Laws - NHTSA Summary of State Speed Laws - NHTSA
JURISDICTION: MICHIGAN This chapter summarizes Michigan State statutes related to speed. General Reference: Michigan Compiled Laws Annotated Basis for a Speed Law Violation: SPEED 2005 Basic Speed Rule: A person shall operate a 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. §257.627(1) Statutory Speed Limit: 70 mph on parts of freeways under a special speed study. §257.628(7) See Other below. 65 mph, except as noted above, on freeways. §257.628(7) 55 mph on other highways. §257.628(1) 25 mph (prima facie unlawful speed) in business or residence districts, in public parks or in school zones. 228 §§257.627(2) and 257.627a(2) 25 mph on county highways or interconnected group of county highways not more than 1 mile in total length that connect with a county road system. §257.628(3) Posted (Maximum) Speed Limit: I. Notwithstanding the above speed limits and based on engineering and traffic investigations, State and local governments may establish maximum speed limits on highways under their jurisdictions. However, not more than 170 miles of the State’s freeways shall have a speed limit
Basis for a Speed Law Violation: (continued) for publicly owned parks or playgrounds. §257.629(1) and (4) IV. A municipal government may establish speed limits on the properties of any board of education, school district or community college district located within its jurisdiction. §257.961 V. When a state of emergency exists, the governor may reduce the speed limit on any street, highway or freeway via executive order. §257.629b(1) Minimum Speed Limit: I. See the Basic Speed Rule above. II. The minimum speed limit on freeways is 45 mph. §257.628(7) Posted (Minimum) Speed Limit: Based on engineering and traffic investigations, State and local governments may establish minimum speed limits on highways under their jurisdictions. §258.628(1) Other: I. A person operating a passenger vehicle which is towing another vehicle shall not drive >55 mph. 229 §257.627(5) II. A person operating a truck weighing ≥10,000 lbs. shall not drive >55 mph. 230 §257.627(6) III. A person shall not operate a school bus >50 mph (>55 mph on a limited access highway or freeway). §§257.627(7), 257.627b and 257.1861 IV. Unless a special speed limit has been established, a person shall not operate a motor vehicle in a designated work area >45 mph. §257.627(9) V. A person shall not exceed the maximum safe posted speed limit that has been established for a bridge, causeway or viaduct. §257.631(1) VI. In the Lower Peninsula, towed mobile homes >14-1/3 feet wide are prohibited from traveling either >45 mph or 15 mph in a mobile park home. §257.627(4) VIII. Certain combinations of vehicles shall not be operated a speed >15 mph. 231 §257.719(4)(a) 229 This limit does not apply if (1) "vehicle or trailer has 2 wheels or less and does not exceed the combined weight of 750 pounds for the vehicle or trailer and load, or a trailer coach of not more than 26 feet in length with brakes on each wheel and attached to the passenger vehicle with an equalizing or stabilizing coupling unit." §257.627(5) 230 If reduced loading is being enforced on any highway, the maximum speed is 35 mph. §257.627(6) 231 The combinations include the following: (1) A truck hauling more than 1 trailer or semi-trailer; and (2) a truck tractor hauling more than 2 semi-trailers or 1 semi-trailer and a trailer. However, this reduced speed does not apply (1) to farm tractors hauling 2 wagons, (2) to garbage or refuse trucks hauling up to 4 trailers (with a combined length of not >55 feet). §257.719(4)(a) 123 SPEED 2005
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Basis for a <strong>Speed</strong> Law Violation: (continued) for publicly owned parks or playgrounds. §257.629(1) and (4)<br />
IV. A municipal government may establish speed limits on the<br />
properties <strong>of</strong> any board <strong>of</strong> education, school district or<br />
community college district located within its jurisdiction.<br />
§257.961<br />
V. When a state <strong>of</strong> emergency exists, the governor may reduce<br />
the speed limit on any street, highway or freeway via<br />
executive order. §257.629b(1)<br />
Minimum <strong>Speed</strong> Limit: I. See the Basic <strong>Speed</strong> Rule above.<br />
II. The minimum speed limit on freeways is 45 mph.<br />
§257.628(7)<br />
Posted (Minimum) <strong>Speed</strong> Limit: Based on engineering and traffic investigations, <strong>State</strong> and<br />
local governments may establish minimum speed limits on<br />
highways under their jurisdictions. §258.628(1)<br />
Other: I. A person operating a passenger vehicle which is towing<br />
another vehicle shall not drive >55 mph. 229 §257.627(5)<br />
II. A person operating a truck weighing ≥10,000 lbs. shall not<br />
drive >55 mph. 230 §257.627(6)<br />
III. A person shall not operate a school bus >50 mph (>55<br />
mph on a limited access highway or freeway). §§257.627(7),<br />
257.627b and 257.1861<br />
IV. Unless a special speed limit has been established, a person<br />
shall not operate a motor vehicle in a designated work area<br />
>45 mph. §257.627(9)<br />
V. A person shall not exceed the maximum safe posted speed<br />
limit that has been established for a bridge, causeway or<br />
viaduct. §257.631(1)<br />
VI. In the Lower Peninsula, towed mobile homes >14-1/3 feet<br />
wide are prohibited from traveling either >45 mph or 15 mph in<br />
a mobile park home. §257.627(4)<br />
VIII. Certain combinations <strong>of</strong> vehicles shall not be operated a<br />
speed >15 mph. 231 §257.719(4)(a)<br />
229 This limit does not apply if (1) "vehicle or trailer has 2 wheels or less and does not exceed the combined weight <strong>of</strong> 750<br />
pounds for the vehicle or trailer and load, or a trailer coach <strong>of</strong> not more than 26 feet in length with brakes on each wheel<br />
and attached to the passenger vehicle with an equalizing or stabilizing coupling unit." §257.627(5)<br />
230 If reduced loading is being enforced on any highway, the maximum speed is 35 mph. §257.627(6)<br />
231 The combinations include the following: (1) A truck hauling more than 1 trailer or semi-trailer; and (2) a truck tractor<br />
hauling more than 2 semi-trailers or 1 semi-trailer and a trailer. However, this reduced speed does not apply (1) to farm<br />
tractors hauling 2 wagons, (2) to garbage or refuse trucks hauling up to 4 trailers (with a combined length <strong>of</strong> not >55 feet).<br />
§257.719(4)(a)<br />
123<br />
SPEED 2005