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Oversize Overweight OS/OW Superload
53' trailer length,
8'6 wide, and
13'6" high
80,000 lbs
Exceeding legal
weight and dimension
15' wide and or
over 132,000 lbs
Single Trip =
$12.00 per
over dimension
(length, width
or height)
Single Trip =
Single Trip =
$12.00 + $12.00
per over dimension
(length, width
or height)
Single Trip =
$100.00 review
fee + $3.00 per
1,000 lbs over
132,000 lbs GVW
+ 12.00 per over
When Escorts are Needed: # of Escorts:
On 2 Lane Highways
Width over12'up to 16' 1 front
On Multi-Lane Highways
Width over 12' up to 14' 1 rear
On All Highways
Width over 14' 2 (front and rear)
Length over 110' needs approval
of permit
1 rear
Height over14'5" - permitee is to be
responsible for damage to any structure
1 front
Width over 12' wide when speed of 20 mph
cannot be maintained on level terrain
Mobile/Modular Homes
Certain highways or sections of highways are cleared by the state to not require escorts for mobile
homes. Also, some routes are not permitted for travel with modular/mobile unit (contact state for
route listing)
On 2 Lane Highways
Units over 10' wide 1 front
North and West of I-85 from the
South Carolina state line to Greensboro
1 front
West of US 29 to Greensboro to VA line 1 front
Units over 12' wide on the other 2 lane roads 1 front
On Multi-Lane Highway
Height over 14'5" 1 front
On All Highways
A mobile/modular in excess of 14' wide unit
with allowable roof overhang exceeding 12'
will be allowed on any interstate, US, NC
or secondary road
1 front
Maximum oversize width permitted on Interstate
is 16', I-44 is designated a turnpike

Overhang Requirements:

Maximum overhang allowed is 75' (seventy five feet) - permitted combination hauling
1 item or truck/tractor/48' semitrailer combination hauling multiple items in line.

Police Escorts:

$36.00 per hour per Trooper - $0.20 a mile + $50.00 admin fee applicable to all loads.

Permits Valid For:

Single Trip Permits are valid for ten (10) calendar days.  Return trips may be granted if requested at the time of application.

Operating Time

Permitted loads are allowed travel from Sunrise to Sunset, Monday through Saturday.  Loads having legal dimensions, and not exceeding 112,000 lbs. may have continuous travel twenty-four (24) hours a day, seven (7) days a week.

Weekend Travel

Permitted travel is allowed on Saturdays from Sunrise to Sunset.  Permitted loads are restricted from travel on Sundays.

Divisible Loads

Permitted loads must be reduced to their smallest possible dimensions and weights.


Blades may be hauled attached as long as the width does not exceed 14' wide.  A blade which has been removed may be hauled with the main piece of cargo without being considered a divisible load.

Restricted Travel

Permitted loads that are over 12' wide are restricted from travel within a ten (10) mile radius of the following cities from 7:00 - 9:00 a.m. and 4:00 - 6:00 p.m.Charlotte, Raleigh, Durham and Chapel Hill.

Superload Requirements

In North Carolina, Super-loads are determined on a case by case basis.  Generally, loads that are 15' wide and 132,000 lbs. or more are considered Super-loads, but this is subject to change depending on Route.  Size of cargo and desired route must be submitted to the NCDOT with permit application in order to be determined Super-load.

Super-load applications must include drawing/diagram of cargo and hauling vehicle showing weight on each axle, distance between each axle and overall dimensions.  Must also include Company name of shipper, and requested route of travel.  Super-load applications should be allowed between ten (10) and fourteen (14) business days for processing and approval.  Bridge analysis review should be allowed three (3) days for processing and approval.