A.
The total outside width of a vehicle or the load on a
vehicle shall not exceed 96 inches, except as otherwise provided in this section.
B.
A person may operate or move an implement of husbandry of any width on a highway as required for normal farming operations without obtaining a special permit for an excessively wide vehicle or load under Article XII. The operation or movement of the implement of husbandry shall be in a manner so as to minimize the interruption of traffic flow. A person shall not operate or move an implement of husbandry to the left of the center of the roadway from a half hour after sunset to a half hour before sunrise, under the conditions specified in MCL § 257.639, or at any time visibility is substantially diminished due to weather conditions. A person operating or moving an implement of husbandry shall follow all traffic regulations.
C.
The total outside width of the load of a vehicle hauling
concrete pipe, agricultural products or unprocessed logs, pulpwood or wood
bolts shall not exceed 108 inches.
D.
Except as provided in Subsection B, if a vehicle which is equipped with pneumatic tires is operated on a highway, the maximum width from the outside of one wheel and tire to the outside of the opposite wheel and tire shall not exceed 103 inches, and the outside width of the body of the vehicle or the load on the vehicle shall not exceed 96 inches.
E.
The total outside width of a bus or motor home shall
not exceed 102 inches.
G.
The Director of the State Transportation Department, a County Road Commission or a local authority may designate a highway under the agency's jurisdiction as a highway on which a person may operate a vehicle or vehicle combination which is not more than 102 inches in width, including load, the operation of which would otherwise be prohibited by this section. The agency making the designation may require that the owner or lessee of the vehicle or of each vehicle in the vehicle combination secure a permit before operating the vehicle or vehicle combination. This subsection does not restrict the issuance of a special permit under Article XII for the operation of a vehicle or vehicle combination described in § 199-69 carrying a load described in that section if the operation would otherwise result in a violation of that section.
A.
A passenger-type vehicle shall not be operated on a highway
with a load carried on the vehicle extending beyond the line of the fenders
on the left side of the vehicle, nor extending more than six inches beyond
the line of the fender on the right side of the vehicle.
B.
A person who violates this section is responsible for
a civil infraction.
A.
Except as provided in Subsection B, a vehicle unloaded or with load shall not exceed a height of 13 feet six inches. The owner of a vehicle which collides with a lawfully established bridge or viaduct shall be liable for all damage and injury resulting from a collision caused by the height of the vehicle, whether the clearance of the bridge or viaduct is posted or not.
B.
A truck, truck tractor, semitrailer or trailer manufactured
on or after July 27, 1978, shall not be used to transport flammable liquids,
in bulk, having a flash point at or below 70° F. if the truck, truck tractor,
semitrailer or trailer exceeds 11 feet 8 1/2 inches in height. However,
safety equipment and those appurtenances which are required by state law,
when added to a vehicle, may cause the vehicle height to exceed 11 feet 8 1/2
inches, but shall not cause the vehicle height to exceed 13 feet six inches.
A person who violates this subsection is guilty of a misdemeanor.
C.
A vehicle, except a truck tractor, trailer or semitrailer,
including load, or articulated buses operated by a local public transit system
funded by Act No. 51 of the Public Acts of 1951, being §§ 247.651
to 247.675 of the Michigan Compiled Laws, shall not exceed a total length
of 40 feet. The total length of a semitrailer operating in a truck tractor
and semitrailer combination shall not exceed 53 feet, including load. All
semitrailers longer than 50 feet shall have a wheelbase of 40.5 feet plus
or minus 0.5 feet measured from the kingpin coupling to the center of the
rear axles or to the center of the tandem axle assembly if equipped with two
axles. Articulated buses operated by a local public transit system funded
by Act No. 51 of the Public Acts of 1951 may operate with a maximum length
of 65 feet. A combination of truck tractor, semitrailer and trailer, or truck
and semitrailer or trailer, or combination of truck tractor and two semitrailers,
including load, shall not exceed a total overall length of 59 feet, except
as provided for on routes designated and approved by the State Transportation
Department and by local authorities with respect to highways under their jurisdiction
on which a person may operate a combination of a truck tractor, semitrailer
and trailer or a truck tractor and two semitrailers with no limit on the overall
combination length, if the length of each semitrailer or trailer including
load does not exceed 28 1/2 feet or the overall length of the semitrailer
and trailer or two semitrailers as measured from the front of the first towed
unit to the rear of the second towed unit while the units are coupled together
does not exceed an overall length of 58 feet, including load. The State Transportation
Department and local authorities with respect to highways under their jurisdiction
may designate highways where the overall length of a truck and trailer or
semitrailer shall not exceed 65 feet. A truck tractor and semitrailer combination
with a semitrailer length longer than 50 feet shall not be allowed to operate
with more than two axles on the semitrailer. All truck tractor and semitrailer
combinations with a semitrailer length longer than 50 feet shall not be allowed
to operate with more than two axles on the semitrailer. All truck tractor
and semitrailer combinations with a semitrailer length longer than 50 feet
shall travel exclusively on highways designated by the appropriate road authority.
City, village and county authorities shall have the option of prohibiting
stops within their jurisdiction unless the stop occurs along appropriately
designated routes or is necessary for emergency purposes or to reach shippers,
receivers, warehouses and terminals along designated routes. A truck tractor
shall not haul more than one trailer and one semitrailer or more than two
semitrailers in combination at any time, except that a farm tractor may haul
two wagons or trailers, or garbage and refuse haulers may, during daylight
hours, haul up to four trailers for garbage and refuse collection purposes,
not exceeding in any combination a total length of 44 feet at a speed of not
to exceed 15 mile per hour. In determining the length of a vehicle or a vehicle
combination under this subsection, the length shall not be considered to include
safety and energy conservation devices, including but not limited to impact-absorbing
bumpers, rear-view mirrors, turn signals, lamps, marker lamps, steps and hand
holds for entry and egress, flexible fender extensions, mud flaps or splash
and spray suppressant devices, load-induced tire bulge, refrigeration or heating
units or air compressors. A device shall be excluded from a determination
of length only if it is not designed or used for the carrying of cargo. Semitrailers
and trailers shall be measured from the front vertical plane of the foremost
transverse load-supporting structure to the rearmost transverse load-supporting
structure.
D.
If a combination of two semitrailers is pulled by a truck
tractor, a fifth wheel connecting assembly which conforms with motor carrier
safety rules promulgated by the Department of State Police pursuant to the
Motor Carrier Safety Act of 1963, Act No. 181 of the Public Acts of 1963,
as amended, being §§ 480.11 to 480.21 of the Michigan Compiled
Laws, shall be used on each semitrailer.
E.
A train of vehicles or a vehicle operated alone shall
not carry a load extending more that three feet beyond the front of the train
of vehicles or vehicle.
F.
A truck tractor and semitrailer combination with a semitrailer
length longer than 50 feet shall not be operated on the highways of this state
at the times specified in MCL § 257.684 unless equipped with all
of the following lamps and reflectors, in addition to any other lamps and
reflectors required under City of Roseville ordinances:
(1)
Two side marker lamps which display an amber light, one
on each side of the semitrailer, located at 1/2 the distance from the front
to the rear of the semitrailer.
(2)
Two reflectors which reflect an amber light, one on each
side of the semitrailer, located at 1/2 the distance from the front to the
rear of the semitrailer.
(3)
Two clearance lamps, one on each side of the semitrailer,
located at 1/2 the distance from the front to the rear and as near to the
top of the semitrailer as practicable.
G.
A lamp required under Subsection F shall be lighted at the time specified in MCL § 257.684 and shall be visible when lighted at a distance of 500 feet from the side of the semitrailer on which it is mounted. A reflector required under Subsection F shall be visible at the time specified in MCL § 257.684 from all distances from 50 to 500 feet from the semitrailer when directly in front of the lawful upper beams of headlamps.
H.
Notwithstanding any other provisions of this section,
a person may operate a combination of truck tractor, semitrailer and trailer
or truck tractor and semitrailer or trailer designed and used exclusively
to transport assembled motor vehicles or bodies, recreational vehicles or
boats, which does not exceed a total length of 65 feet. Stinger-steered combinations
of truck tractor and semitrailer shall not exceed a total length of 74 feet.
The load on the combination of vehicles may extend an additional three feet
beyond the front and four feet beyond the rear of the combination of vehicles.
Retractable extensions used to support and secure the load that does not extend
beyond the allowable overhang for the front and rear shall not be included
in determining the length of a loaded vehicle or combination of vehicles.
As used in this subsection, "Stinger-steered" means a semitrailer combination
in which the fifth wheel is located on a drop frame located behind and below
the rearmost axle of the power unit.
I.
A combination of vehicles shall not have more than 11
axles.
J.
Notwithstanding any other provisions of this section,
a number of motor vehicles, wholly or partially assembled, may be transported
over the highways of this state in combination, utilizing one tow bar or three
saddle mounts with full mount mechanisms and utilizing the motive power of
one of the vehicles in combination. The combination shall not exceed the maximum
length of 65 feet for the transportation of assembled motor vehicles, and
the vehicles in the combination shall be adequately and securely fastened
together in compliance with regulations of the city, state and of any federal
agency having jurisdiction over the transportation. If motor vehicles are
towed by means of triple saddle mounts, the towed vehicles shall have brakes
acting on all wheels which are in contact with the roadway. A combination
exceeding 55 feet in length may be operated only on highways and routes approved
and designed for that operation by the State Transportation Department and
by local authorities with respect to highways under their jurisdiction.
K.
Notwithstanding any other provisions of this section,
a person may operate a truck and semitrailer or trailer designed and used
to transport saw logs, pulpwood and tree-length poles that does not exceed
an overall length of 70 feet, including load. These combinations of vehicles
shall only be operated upon highways designated by the State Transportation
Department or local authorities with respect to highways under their jurisdiction.
L.
The total gross weight of a truck tractor, semitrailer
and trailer combination or a truck tractor and two semitrailers combination
which exceed 59 feet in length shall not exceed a ratio of 400 pounds per
engine net horsepower delivered to clutch or its equivalent specified in the
SAE handbook published by the Society of Automotive Engineers, Inc. (1977).
