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Please take notice: There may be updates or other requirements not listed. 

CHECK the laws/rules of each State along route before entering each State!

Michigan http://www.michigan.gov/mdot

Pilot/Escort Vehicle is Required
Over 12' to 14' wide-1
Over 14' wide-2 (front & rear)
90' to 100' long-1 rear
Over 100'- 2 (front & rear)
Over 14'5" high with high pole-1 front
Over 15' high with high pole-2 (front & rear)
Overhang over 15'-1 rear
Mobile Homes/Modular Loads:
12' to 14' wide-1 rear

Requirements for Pilot/Escort Vehicle
General: Passenger car or pickup truck
Signs: “OVERSIZE LOAD” sign 5’ x 12” w/ black letters (8” high) on yellow background on roof of vehicle
Lights: at least one flashing/rotating amber light on top of vehicle visible for 500’
Flags: No stipulations
Additional equipment: A height pole is required set at a height to assure clearance of the load if height of load exceeds 14’ 6”

MICHIGAN
STATE TRANSPORTATION BUILDING
425 W. OTTAWA ST.
LANSING, MICHIGAN 48909

LANSING, MICHIGAN 48917
PHONE: 517-335-3084
HOURS: MONDAY - FRIDAY 7:30 A.M. - 4:30 P.M
EASTERN TIME

LEGAL LIMITS DESIGNATED HIGHWAY ALL OTHER ROADS
Single 20,000 18,000
Tandem 34,000
5 axles
32,000 rig w/more than
5 axles on 1 tandem, 26,000 on next
Tridum 42,000
(39,000)
(Based on Bridge Fromula)
13,000/axle depending on spacings
Gross Weight 80,000 5 axles
11 axles 164,000
Federal Bridge Formula applies
80,000
Width 8'6" 8' 0"
8'6" Buses
Height 13'6" 13'6"
Semi-trailers 53' 50'
53' must have a kingpin setting of 40'6" measured from kingpin to center of tandem, trailers may only have 3 axles

OVERHANG 3' front, 4' rear

PERMIT LIMITS

ROUTINE ISSUE

Weight: Handled on a case by case basis
Length:
150'
Width:
16'
14' during spring restrictions
Height:
15'

If load exceeds any of these dimensions or 180,000 lbs., refer to the section on Super Loads.

PERMITS VALID FOR:
Single trip permits are valid for five (5) consecutive days (excluding Saturday & Sunday). .

OPERATING TIME
Sunrise to sunset

WEEKEND TRAVEL
Loads that are only overweight may travel anytime 24/7

DIVISIBLE LOADS
Will allow as long as weight remains legal and the additional item does not create the over dimension.

EXCEPTIONS
Loads may be hauled with blades and counterweights etc attached, blades and counterweights that are part of the equipment can be hauled with the load, buckets and drag line components must be hauled separately, prefabricated items (structural steel, trusses, tanks, etc) limited to 16' wide, 15' high and 150' long.

INFORMATION NEEDED TO ORDER A WIDELOAD, OVERSIZE AND HEAVY HAUL PERMITS:
Applicant's name and address, load description, vehicle description, tractor unit, trailer license, trailer length, overall dimensions, total number of axles, overhang front and rear, gross weight, origin and destination routes.

ESCORTS FOR WIDELOAD AND OVERSIZED SHIPPING

When Escorts are Needed: #Escorts
On All Highways:
Width over 12' to 14' 1
Width over 14' 1 Rear
Length over 100' 2 (Front & Rear)
Height over 15'5 with high pole 1 Front
Height over 15' with high pole 2 (Front & Rear)
Overhang over 15' 1 Rear
*Route Survey: Applications for permit in excess of 13'6" in height shall certify that the proposed route has been traveled to assure vertical clearance

SPRING WEIGHT RESTRICTIONS
Usually February to April normal maximum axle weights allowable on rigid pavements shall be reduced 25% and the maximum wheel load shall not exceed 525 lbs per inch width of tire, on flexible pavements the maximum axle weights are reduced 35% and the maximum wheel load shall not exceed 450 lbs per inch width of tire, no overweight permits are issued during spring frost restrictions.
*CONTACT STATE FOR ADDITIONAL INFORMATION ON RESTRICTED TRAVEL FOR WIDELOADS, OVERSIZED AND OVERWEIGHT PERMITTED CARGO

Overweight, Oversized & Wideload SuperLoads

Loads 16' wide, 15' high, 150' long and 200,000 lbs are considered super loads. The following information must be submitted in writing by the shipper: Description of load, number of pieces, load dimensions and overall dimensions, if over height a statement certifying the route that has been surveyed, weight of object, origin and destination, routes, dates of move, reason the load cannot be reduced and name of transporter if known, drawings required if more than 11 axles. Allow 1 to 10 days for approval 

(FYI, the Pilot car database at AllPilotCars cannot be searched, printed, copied, etc, it is all protected content. The State rules above, can be printed. The Hole Of Shame list is available by it self, as a html page, that anyone can save, search, print, or whatever. This is done to save folks like you  from getting ripped off. Show your Appreciation and become a Sponser! Get calls/reports about saving people $$$ all the time. (IT WORKS!). To download/save/print the Hole of Shame list click here  (The list does get updated as needed, so always check the date, and keep your copy current and handy.)
Please, if you know or find any errors or changes to any State rules / requirements contact AllPilotCars@gmail.com

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