State Departments Of Transportation

State Departments Of Transportation

AL,AK,AZ,AR,CA,CO,CT,DE,DC,FL,GA,HI,ID,IL,IN,IA,KS,
KY,LA,ME,MD,MA,MI,MN,MS,MO,MT,NE,NV,NH,NJ,NM,NY,NC,
ND,OH,OK,OR,PA,RI,SC,SD,TN,TX,UT,VT,VA,WA,WV,WI,WY

Trucking DOT Links

Federal Motor Carriers Safety Regulations Transportation
Federal Highway Administration
U.S. Department of Transportation





ALABAMA
Speed Limit: All vehicles: 70 mph
Access Rules: 53-ft. trailers 941-ft. kingpin) on all state roads except country
roads with lanes less than 12 feet wide; 57-ft. trailers on designated system.
Interstate Size and Weight: Trailer: 57 ft., Single Axle: 20,000 lbs., Tandem
Axle: 34,000 lbs., Gross weight: 80,000 lbs.
State Size and Weight: Trailer 57 ft., Overall vehicle length: Not restricted, 
Twins: Allowed on all federal, state routes
Trip Permit: 7-day vehicle permit $20
Department of Revenue    334-242-4571    fax: 334-242-9073
Vehicle Division
Box 327620
Montgomery, AL 36132
DOT Website    Construction Website   
State Association

Index


ALASKA
Speed Limit: All vehicles: 65 mph
Access Rules: Twins and tractor-semi-trailers up to five miles off designated
system and certain other routes.
Interstate Size and Weight: Semi-trailer: 48 ft.; Single axle: 20,000 lbs.;
Tandem axle: 38,000 lbs.; Tri-axle: 42,000; Gross weight: Outer bridge formula;
inner bridge limits apply to tractor and first trailer of multi-trailer configurations.
State Size and Weight: Semitrailer: 45 ft.; Tractor-Semitrailer: 85 ft.; Twins:
95 ft. cargo; Gross weight: Same as interstate limit
Trip Permit: $10-$31 (Because it is necessary to cross foreign territory to reach
Alaska, carriers are advised to carry proof of vehicle ownership)
Department of Public Safety    907-269-5572    fax: 907-333-8615
Motor Vehicles Division
Trip Permit Unit
5700 E. Tudor Road
Anchorage, AK 99507
DOT Website    Construction Website   
State Association

Index


ARIZONA
Speed Limit: All vehicles: 75 mph where posted
Access Rules: Access over existing truck routes to terminals and facilities for food,
fuel, repairs and rest. Tractor semi-trailers and twin combinations allowed on all roads
depending on width; 57-ft. trailers allowed 10 miles off Interstate.
Interstate Size and Weight: Semi-trailer: 57 ft. 6 in.; Single axle: 20,000 lbs.;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.; LCVs formula B with permit
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: 65 ft. if trailer
exceeds 53 ft.; Twins: not restricted; Gross weight: 80,000 lbs.
Trip Permit: 96-hour vehicle permit, fees vary; 96-hour carrier permit, $48
Department of Transportation    602-255-7346    fax: 602-269-5611
Motor Carrier Services
Permit Section
1225 N. 25th Ave
Phoenix, AZ 85009
DOT Website    Construction Website   
State Association

Index


ARKANSAS
Speed Limit: Trucks 65, cars 70
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 53 ft. 6 in.; Single axle: 20,000 lbs.;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft. 6 in.; Tractor-Semi-trailer: 75 ft. if trailer
exceeds 53 ft.; Twins: 65 ft.; Gross weight: 80,000 lbs.
Trip Permit: 72 hour vehicle, $33; 
Dept. Finance & Administration    501-682-4653   
fax: 501-682-4615
Motor Vehicle Division
Box 8091
Little Rock, AR 72203
DOT Website   
Construction Website   
State Association

Index


CALIFORNIA
Speed Limit: Trucks 55, cars 70
Access Rules: Access restricted to one mile from signed interchange. Access to
and from network for twins and tractor semi-trailers allowed for services. To terminals:
on signed routes or with special terminal access permit.
Interstate Size and Weight: Semi-trailer: 48 ft. or 53 ft. with 40-ft. kingpin or 38 ft.
on single axle trailer; Single axle: 20,000 lbs.; Tandem axle: 34,000 lbs.; 
Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48 ft with 40 ft. kingpin; Tractor Semi-trailer:
65 ft. with 40-ft. kingpin; Twins: 75 ft.; Gross weight: 80,000 lbs.
Trip Permit: Power unit: $45; 5-day, 1-trip: $35.; Fuel use: $30; Trailer: $5;
1 trip: $10
Department of Motor Vehicles    916-657-7971    fax: 916-657-6628
IRP-Mail Station H160
Box 932320
Sacramento, CA 94232
DOT Website    Construction Website   
State Association

Index


COLORADO
Speed Limit: All vehicles 75, lower for trucks in mountains
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 57 ft. 4 in.; Single axle: 20,000 lbs.;
Tandem axle: 36,000 lbs.; Gross weight: 80,000 lbs
State Size and Weight: Semi-trailer: 57 ft. 4 in.; Tractor-trailer combination: 75 ft.

Twins: 75 ft.; Gross weight: 85,000 lbs.
Trip Permit: 10,000 to 30,000 lbs. $71; 30,001 to 59,999 $82;
60,000 lbs and over $93
Department of Revenue    303-757-9241    fax: 
                                      
Motor Carrier Services
1881 Pierce Street
Lakewood, CO 80214
DOT Website    Construction Website   
State Association

Index


CONNECTICUT
Speed Limit: All vehicles: 65
Access Rules: Access for twins and 53-ft. trailers restricted to one mile; beyond that
by permit over shortest route.
Interstate Size and Weight: Semi-trailer: 53-ft with same access restrictions as
twins; Single axle: 22,400 lbs.; Tandem axle: 36,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48 ft.; 53 ft. on designated roads; Tractor
semi-trailer: not restricted; Twins: Permitted as above; Gross weight: 80,000 lbs.
Trip Permit: Fee: $23
Department of Transportation    860-594-2816   
fax: 860-594-2880
Box 317546
Newington, CT 06031
DOT Website    Construction Website   
State Association

Index


DELAWARE
Speed Limit: All vehicles: maximum 65, except on portions of I-95 and on U.S. in
Dover area
Access Rules: Access for twins and semis on Interstate and all U.S. numbered
routes, except as posted; access by specific route permit only.
Interstate Size and Weight: Semi-trailer: 53-ft; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: not restricted; Tractor semi-trailer: 60-ft.;
Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: 72-hour vehicle permit, $15; 72-hour fuel permit, $15; IFTA 30-day, no
fee
Department of Transportation    302-739-4538   
fax: 302-739-6299
Division of Motor Fuel Tax
PO Drawer E
Dover, De 19903-1565
DOT Website   
Construction Website   
State Association

Index


DISTRICT OF COLUMBIA
Speed Limit: All vehicles: 65 on interstate
Access Rules: Access by permit only
Interstate Size and Weight: Semi-trailer: 48 ft .; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: not restricted; Tractor semi-trailer: 55-ft.;
Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: $19
Department of Public Works    202-727-7050    
Telex: 202-638-0679
614 H St. N.W.
Room 200
Washington, DC 20001
DOT Website     Construction
Website     State Association

Index


FLORIDA
Speed Limit: All vehicles: 70
Access Rules: Access for twin 28-ft. trailers on all roads not posted. Semis have
unlimited access. Federal system includes state roads with 12-ft. lanes.
Interstate Size and Weight: Semi-trailer: 53 ft. or 57 ft. 6 in. with permit; Single
axle: 22,000 lbs.; Tandem axle: 44,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft.; Tractor semi-trailer: Not restricted;
Twins: Double 48 ft. trailers permitted on turnpike; Gross weight: 80,000 lbs.
Trip Permit: 10 days, $45 plus wire service fee
Division of Motor Vehicles    850-488-6921   
fax: 850-922-7148
Bureau of Motor Carrier Services
2900 Apalachee Parkway
Room A110
Tallahassee, FL 32399
DOT Website    Construction Website   
State Association

Index


GEORGIA
Speed Limit: All vehicles: 70
Access Rules: Access for twins restricted to one mile off specified interchanges;
semi’s, all roads with 12-ft. lanes; 53-ft. trailers restricted to 67-ft. 6 in. overall length
limit on state designated system and 60-ft. overall on other state routes.
Interstate Size and Weight: Semi-trailer: 53 ft. or 41-ft. kingpin; 67-ft 6-in. overall;
Single axle: 20,340 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48-ft. or 53-ft. if 67 ft 6 in. overall on designated
highway; Tractor semi-trailer: 60-ft. or 67 ft. 6 in. if 53-ft. trailer; Twins: Designated
highways; Gross weight: 80,000 lbs.
Trip Permit: $5-$20
Department of Transportation    404-624-0411   
fax: 404-635-8501
Office of Permits and Enforcement
925 E. Confederate Ave.
Bldg. 24, 4th Floor
Atlanta, GA 30316
Bulk permits, fax: 404-635-8507
DOT Website    Construction Website    
State Association

Index


HAWAII
Speed Limit: All vehicles: 55
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: Not restricted ; Single axle: 22,500 lbs.;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 45-ft.; Tractor semi-trailer: 60-ft.; Twins:
65-ft. overall; Gross weight: 88,000 lbs.
Trip Permit: Unknown
DOT Website    Construction Website   
State Association

Index


IDAHO
Speed Limit:
Trucks: 65, Cars: 75
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 48 ft.; 53 ft. on some roads; Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.; 105,500 lbs. By
permit
State Size and Weight: Semi-trailer: 53-ft.; Tractor semi-trailer: Overall length
restriction 65 ft.; Twins: 61 ft. combined trailers; 75 overall if over 61ft.; Gross weight:
105,500 lbs.
Trip Permit: $25 per unit; $25 per fuel
Transportation Department    208-334-8688   
fax: 2098-334-8696
Ports of Entry
Box 7129
Boise, ID 83707
DOT Website   
Construction Website   
State Association

Index


ILLINOIS
Speed Limit:
Trucks 55, cars 65
Access Rules: Twins and 102 inch wide vehicles allowed one-mile access on any
road. Units up to 65 feet in length and no more than 73,280 pounds gross weight and
allowed five miles access on any road or street with lanes at least 11 feet wide
Interstate Size and Weight: Semi-trailer: 53 ft. with 45 ft. 6 in. with kingpin; Single
axle: 20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.; 105,500 lbs. By
permit
State Size and Weight: Semi-trailer: 53-ft. with 45 ft. 6 in. kingpin on trailers more
than 48 ft.; Tractor semi-trailer: 45 ft. 6 in. kingpin on trailers more than 48 ft.; Twins:
65 ft.; Gross weight: 73,280 lbs.
Trip Permit: 72-hour vehicle permit, $15
Secretary of State
Commercial & Farm Truck Division
300 Howlett Bldg., Room 300
Springfield, IL 62764
217-785-1816    fax:  217-5247-0123
800-252-8638 (in-state only)
DOT Website   
Construction Website   
State Association

Index


INDIANA
Speed Limit: Trucks 60, cars 65
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53-ft. with 43-ft. kingpin setting; Tractor
semi-trailer: Not restricted; Twins: Not restricted; Gross weight: 80,000 lbs.
Trip Permit: 5 days, $50 (maximum of four per calendar year)
Department of Revenue    317-615-7340    fax:
317-821-2335
Special Tax Division
Motor Carrier Services
5252 Decatur Blvd.
, Suite R
Indianapolis, IN 46221
DOT Website    Construction Website   
State Association

Index


IOWA
Speed Limit: All vehicles 65
Access Rules: Federal regulations on vehicle size, length and
access apply on all state highways.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Gross weight: 96,000 (non Interstate)
Trip Permit: 72 hour vehicle permit $10; 72 hour or 1 trip fuel
permit, $20
Department of Transportation    515-237-3264   
fax: 515-237-3257
Motor Carrier Services
Box 10382
Des Moines, IA 50306
DOT Website    Construction
Website
     State Association

Index


KANSAS
Speed Limit: All vehicles 70 on Interstates, 4 lanes divided highways; 65 on posted
2-lanehighways
Access Rules: No restrictions, except on LCV units where applicable. 
Interstate Size and Weight: Semi-trailer: 59 ft. 6 in.; Single axle: 20,000 lbs.; Wide
base single tire only (section width 14 in. or more) 600 lbs. Per inch on steering axle,
575 lbs. Per inch all other axles; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 59 ft. 6 in.; Tractor Semi-trailer: Not
restricted; Twins: 28 ft. 6 in.; Gross weight: 150,000 (effective 1-97)
Trip Permit: $10; non-IRP fuel fuel, $26; Oversize: $5 
Dept. of Revenue    785-296-2356  fax: 
785-296-7872           
Div. of Vehicles
Central Permit Office
3718 SW Burlingame Rd.
Topeka, KS 66609
DOT Website   
Construction Website   
State Association

Index


KENTUCKY
Speed Limit:
All vehicles 65
Access Rules: Access for twins and tractor-trailers restricted to five miles on state
maintained highways.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not restricted; Tractor Semi-trailer: 65 ft.;
Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: 10 days, $40
Transportation Cabinet    502-564-4540   
fax 502-564-4138
                    
Division of Motor Carriers
Box 2007
Frankfort, KY 40602
502-564-4127 (fuel permits)
DOT Website   
Construction Website   
State Association

Index


LOUISIANA
Speed Limit: All vehicles 70
Access Rules: Access restricted to 10 miles to terminals and facilities for food, fuel,
repairs and rest.
Interstate Size and Weight: Semi-trailer: 59 ft. 6 in.; Single axle: 20,000 lbs.;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not restricted; Tractor Semi-trailer: 65 ft.;
Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: $5  plus transmission fees & truck stop
fees
Public Service Commission    225-342-1422
Box 91154
Baton Rouge, LA 70821
DOT Website   
Construction Website   
State Association

Index


MAINE
Speed Limit: All vehicles 65
Access Rules: Access for twins and semis restricted to one mile in both rural and
urban areas; permit required for operation beyond; access unlimited for kingpin of 38 ft.
or less.
Interstate Size and Weight: Semi-trailer: 48 ft. (53 ft. by permit); Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48 ft. with 38 ft. kingpin; Tractor-Semi-trailer:
65 ft. with 38 ft. kingpin; Twins: Permit required; Gross weight: 80,000 lbs.; 90,000
lbs. With tridem; 100,000 lbs. by permit
Trip Permit: $8 for 30 days if no bingo stamp on card
insurance required
Motor Vehicle Division
Commercial Vehicle Center
29 State House Station 
Augusta, ME 04333
207-287-8633    TWX: 207-622-5332    fax: 207-622-5332
DOT Website   
Construction Website   
State Association

Index


MARYLAND
Speed Limit: All vehicles 65; though lower speeds are posted in
mountainous
western counties, with differentials for cars and trucks.
Access Rules: Twin-trailer units must use shortest practical
route between
designated highways and a truck terminal or cargo destination, or up to
one mile to facilities for food, fuel, repairs or rest.
Interstate Size and Weight: Semi-trailer: 53 ft. (hazmats allowed
in non-bulk quantities; Single axle: 20,000 lbs.; Tandem axle: 34,000
lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 48 ft.; 53 ft. on designated
routes; Tractor Semi-trailer: Not restricted; Twins: On designated
routes; Gross weight: 80,000 lbs.
Trip Permit: fees vary
Department of Transportation    410-582-5727    
800-945-3416
Office of Traffic & Safety
7491 Connelly Drive
Hanover, MD 21076
DOT Website   
Construction Website   
State Association

Index


MASSACHUSETTS
Speed Limit: All vehicles 65 
Access Rules: Access for twins and semis by specific route permit to terminate upon
petition by manufacturing facility. 
Interstate Size and Weight: Semi-trailer: 53 ft. permit and markings required; Single
axle: 22,400 lbs.; Tandem axle: 36,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft. most highways, permit and markings
required; Tractor Semi-trailer: 60 ft.; Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: (wire services only) 72 hour vehicle permit, $15; 72 hour IFTA permit,
$20
Department of Revenue    617-887-5080 (information only)
Bureau of Excise Taxes
Box 7012
Boston, MA 02204
DOT Website   
Construction Website     State Association

Index


MICHIGAN
Speed Limit: Trucks 55, Cars 70
Access Rules: Access restricted to five miles on state highways only. 
Interstate Size and Weight: Semi-trailer: 53 ft. with 40 ft. 6 in. kingpin or 50 ft.
designated highways; Single axle: 20,000 lbs. with 12,000 lb. Steering axle limit;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.; 11 axles up to 164,000 lbs.
State Size and Weight: Semi-trailer: 50 ft.; Tractor Semi-trailer: Not restricted;
Twins: 58 ft.; Gross weight: 80,000 lbs.; maximum axle weight 13,000 lb. with one
32,000 lbs. tandem axle and an 18,000 lbs. steering axle, 11 axles and up to 164,000 lbs.
with proper spacing.
Trip Permit: $20 for 72 hours
Department of State    517-332-5458  fax: 
517-322-5458
IRP Unit 
Bureau of Driver & Vehicle Records
Lansing, MI 48918
DOT Website   
Construction Website   
State Association

Index


MINNESOTA
Speed Limit: 70 mph on posted interstates
Access Rules: Twins and semis: fuel, food, repairs and points of loading and
unloading; household goods and livestock carriers: rest or for purpose of route continuity.
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin; Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs. (46,000 w/permit); Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin setting;
Tractor-Semi-trailer: 75 ft.; Twins: Not permitted; Gross weight: 80,000 lbs. 
Trip Permit: 15 days, $15
Department of Public Safety    651-405-6169   
fax: 651-405-6168
Driver & Vehicle Services
1110 Centre Pointe Curve
Suite 425
Mendota Heights, MN 55120
DOT Website    Construction Website    
State Association

Index


MISSISSIPPI
Speed Limit: All vehicles 70 mph 
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: Not restricted;
Twins: Not restricted; Gross weight: 80,000 lbs. 
Trip Permit: $25
Department of Transportation    601-923-7000   
fax: 601-923-7133
Permit Section
Box 1140
Jackson, MS 39215
DOT Website   
Construction Website   
State Association

Index


MISSOURI
Speed Limit: All vehicles 70 mph 
Access Rules: Access restricted to 10 miles.
Interstate Size and Weight: Semitrailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs
State Size and Weight: Semitrailer: Not restricted; Tractor-Semitrailer: 60 ft.;
Twins: 65 ft. on specified roads; 55 ft. on all others; Gross weight: 80,000 lbs 
Trip Permit: Recip., $10; Fuel, $10; $5, DOT; Combined fuel/reip.,
$20; Combined IRP-IFTA, $25
Highway Reciprocity Commission    573-751-6433   
fax: 573-751-0916
Box 893
Jefferson City, MO 65105
DOT Website   
Construction Website   
State Association

Index


MONTANA
Speed Limit: Trucks 65, cars 75, all vehicles at night 65
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft; 57 ft. with permit; Tractor Semi-trailer:
Not restricted; Twins: Overall combination length of 61 ft; Single truck: 55 ft.; Gross
weight: 80,000 lbs.
Trip Permit: Fee varies
Department of Transportation   406-444-6130   Fax: 406-444-7670
Motor Carrier Services
Box 4639
Helena, MT 59604
DOT Website   Construction
Website
    State
Association

Index


NEBRASKA
Speed Limit: All vehicles 75 mph 
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: Not restricted;
Twins: 65 ft. trailers and coupling device; Gross weight: 95,000 lbs.
Trip Permit: One round-trip, no fee after that carrier must be
registered and have ID stamp on cab card in truck
Department of Motor Vehicles    402-471-4435 
fax:  402-479-4024
Motor Carrier Services
Box 98935
Lincoln, NE 68509
DOT Website    Construction Website   
State Association

Index


NEVADA
Speed Limit: All vehicles 75 mph 
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 129,000 lbs. by permit
State Size and Weight: Semi-trailer: 53 ft.; Tractor-Semi-trailer: 70 ft.; Twins: 70
ft. overall; Gross weight: 129,000 lbs. by permit
Trip Permit: 24 hours, $5 plus 15 cents/mile, plus $30 fuel
charge if they’re not IFTA
Department of Motor Vehicles    702-687-5340   
fax: 702-687-4756
Motor Carrier Bureau
555 Wright Way
Carson City, NV 89711
DOT Website    Construction Website   
State Association

Index


NEW HAMPSHIRE
Speed Limit: All vehicles 65 mph 
Access Rules: Access for twins by permit only
Interstate Size and Weight: Semi-trailer: 53 ft. with 41-ft. kingpin; Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs. 129,000 lbs. by permit
State Size and Weight: Semi-trailer: 48 ft.; Tractor Semi-trailer: Not restricted;
Twins: Not permitted; Gross weight: 80,000 lbs. 
Trip Permit: 3 days, $10
Department of Public Safety    603-271-2311
Bureau of Road Tolls
10 Hazen Dr.
Concord, NH 03305
DOT Website   
Construction Website     State Association

Index


NEW JERSEY
Speed Limit: All vehicles 65 mph 
Access Rules: Access for twins to and from terminal destination; permit not needed.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 22,400 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 48 ft.; Tractor Semi-trailer: Not restricted;
Twins: Not permitted; Gross weight: 80,000 lbs. 
Trip Permit: $5 decal 
Division of Motor Vehicles    609-633-9399   
fax: 609-633-9393
Bureau of Motor Carriers
225 E State St., 2nd Floor West 
Trenton, NJ 08666
DOT Website   
Construction Website   
State Association

Index


NEW MEXICO
Speed Limit: All vehicles 75 mph 
Access Rules: Access and deliveries by twins and semis limited to within 20 miles of
Interstate system and designated highways.
Interstate Size and Weight: Semi-trailer: 57 ft. 6 in.; Single axle: 21,600 lbs. with
steer axle of 12,000 lbs.; Tandem axle: 34,320 lbs.; Gross weight: 86,400 lbs. 
State Size and Weight: Semi-trailer: 57 ft. 6 in.; Tractor Semi-trailer: 65 ft. if
exceeds allowable trailer length; Twins: 65 ft.; Gross weight: 86,400 lbs. 
Trip Permit: 48 hours, $5
Motor Transportation Division    505-827-2265   
fax: 505-983-0135
Attn: Registration Section
Box 1028
Santa Fe, NM 87504
DOT Website   
Construction Website   
State Association

Index


NEW YORK
Speed Limit: All vehicles 65 mph; Turnpike doubles 55 on Thruway
Access Rules: Access follows federal 1 mile rule; other specified routes to be
authorized by state DOT upon carrier petition; 102 in. equipment allowed on all
highways with 10 ft. lanes
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin; Single axle:
22,400 lbs.; Tandem axle: 36,000 lbs.; Gross weight: 86,000 lbs. 
State Size and Weight: Semi-trailer: 48 ft.; Tractor-Semi-trailer: 65 ft.; Twins: Not
permitted; Gross weight: 80,000 lbs. 
Trip Permit: $15 plus mileage tax
Department of Taxation & Finance    518-457-3653
Bldg. 8 
State Campus
Albany, NY 12227
DOT Website    Construction Website   
State Association

Index


NORTH CAROLINA
Speed Limit: All vehicles 70 mph 
Access Rules: Access by application beyond 3 miles for STAA twins and semis
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin; Single axle:
20,000 lbs.; Tandem axle: 38,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not restricted if 60 ft. overall; Tractor
Semi-trailer: 60 ft.; Twins: Not permitted; Gross weight: 80,000 lbs. 
Trip Permit: 10 days, $15 
Division of Motor Vehicles    919-733-7458
IRP Section
1425 Rock Quarry Road
Suite 100
Raleigh, NC 27610
DOT Website    Construction Website   
State Association

Index


NORTH DAKOTA
Speed Limit: All vehicles 70 mph 
Access Rules: Access for twins and semis on all state highways; combinations over
75 ft. on designated highways.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft. restricted if 60 ft. overall; Tractor
Semi-trailer: 88 ft. state designated highways; 75 ft. all others; Twins: 75 ft.; Gross
weight: 105,500 lbs.
Trip Permit: 72 hours, $20
N.D. Highway Patrol    701-328-2621    fax: 701-328-1642
Motor Carrier Division
Hazardous Materials
600 E. Boulevard Avenue
Bismarck, ND 58505
DOT Website    Construction Website   
State Association

Index


OHIO
Speed Limit: Trucks 55, Cars 65 
Access Rules: All roads
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: Not restricted;
Twins: pup 28 ft. 6 in.; Gross weight: 80,000 lbs.
Trip Permit: 5 days, $10 plus surcharge
Department of Transportation     614-728-4099    
fax: 614-728-4098
Special Hauling Permit Section
11610 W. Broad Street.
Columbus, OH 43223
DOT Website    
Construction Website   
State Association

Index


OKLAHOMA
Speed Limit: Interstate 70, Turnpike 75, all vehicles
Access Rules: 53 ft. each trailer, combination, not to exceed 100 ft. on Interstate and
four-lane roads only, 5 mile access
Interstate Size and Weight: Semi-trailer: Not restricted; Single axle: 20,000 lbs.;
Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft. (59 ft. 6 in. by permit); Tractor
Semi-trailer: Not restricted; Twins: 29 ft.; Gross weight: 90,000 lbs.
Trip Permit: 72 hours, $12 
Oklahoma Tax Commission    405-521-3036   
fax: 405-525-2906
Motor Vehicle Prorate Division
2501 Lincoln Blvd.
Oklahoma City, OK 73194
DOT Website   
Construction Website   
State Association

Index


OREGON
Speed Limit: Trucks 55, cars 65
Access Rules: Access to one mile except where posted and on designated routes
with up to 48 ft. trailer
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: 60 ft. with unlimited
trailer length on Group One highways; 65 ft. on Group Two highways with some
exceptions; Twins: 60 ft. on Group One highways; Gross weight: 80,000 lbs.
Trip Permit: $8 plus road use fee
Department of Transportation    503-373-0000 or
800-336-3602
 fax: 5503-378-2873
Motor Carrier Branch
Over-Dimension Permit Unit
550 Capitol St. NE
Salem, OR 97310
DOT Website   
Construction Website   
State Association

Index


PENNSYLVANIA
Speed Limit: All vehicles 65
Access Rules: Access for 102 in. 48 ft. and 53 ft. trailers and twins allowed
on marked routes; written approval of state DOT no longer needed. Also ½ mile from
ramps and intersections; 1 mile to terminal or facility for food, fuel, rest.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not restricted; Tractor Semi-trailer: 60 ft.;
Twins: Not restricted; Gross weight: 80,000 lbs.
Trip Permit: No provision
Department of Revenue    717-783-1906   
TWX, Telex: 717-783-9204
Box 280646
Harrisburg, PA 17128
PA Turnpike Site
DOT Website    Construction Website   
State Association

Index


RHODE ISLAND
Speed Limit: Trucks 65 on I-295 and portions of I-95
Access Rules: Access for semis is all roads; and for twins restricted to one mile of
Interstate for food, fuel and rest; other routes by shipper/consignee request to state. 53
ft. trailers on Interstates only; access requires route approval by state DOT ($1000
fine), 401-277-2950 ext. 2036
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin setting; Single
axle: 22,400 lbs.; Tandem axle: 36,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin setting; Single axle:
22,400 lbs.; Tandem axle: 36,000 lbs.; Tractor Semi-trailer: Not restricted; Twins: 28 ft.
6 in.; Gross weight: 80,000 lbs.
Trip Permit: 5 days, $20; Blanket fee $100
Division of Motor Vehicles     401-222-2970 ext.
2031, 2032
Room 103
286 Main Street
Pawtucket, RI 02860
DOT Website    Construction Website   
State Association

Index


SOUTH CAROLINA
Speed Limit: All vehicles 70
Access Rules: Access for twins is five miles to terminals, fuel, food and rest; by
permission for greater distances.
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin setting; Single
axle: 20,000 lbs.; Tandem axle: 35,200 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft.; 102 inc. wide vehicles all roads; Tractor
Semi-trailer: Not restricted; Twins: By permission; Gross weight: 80,608 lbs.
Trip Permit: $15 plus wire service fee 
Department of Public Safety    803-737-6620    800-937-6329   
800-527-0665
Box 1498
Columbia, SC 29216
DOT Website    Construction Website   
State Association

Index


SOUTH DAKOTA
Speed Limit: All vehicles 75 mph 
Access Rules: Access for twins and semis on all state highways; combinations over
75 ft. on designated highways.
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft. restricted if 60 ft. overall; Tractor
Semi-trailer: 88 ft. state designated highways; 75 ft. all others; Twins: 75 ft.; Gross
weight: 105,500 lbs.
Trip Permit: Fuel permit $20; oversize $20; single trip
commercial license $15
Highway Patrol      605-773-4578 
fax:  605-773-6046
Motor Carrier Enforcement
500 E. Capitol
Pierre, SD 57501
DOT Website   
Construction Website   
State Association

Index


TENNESSEE
Speed Limit: All vehicles: 70
Access Rules: Unavailable at this time
Interstate Size and Weight: Unavailable at this time
State Size and Weight: Unavailable at this time
Trip Permit: No Provision
Dept. of Transportation    615-741-3821  fax: 
615-256-5894
Overweight & Over-Dimensional
Permit Section
Suite 300 James K. Polk Bldg.
505 Deaderick St.
Nashville, TN 37243
DOT Website   
Construction Website   
State Association

Index


TEXAS
Speed Limit: Trucks 70 day, 55 night; cars 70 day, 65 night
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 59 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 59 ft.; Tractor Semi-trailer: Not restricted;
Twins: Not restricted; Gross weight: 80,000 lbs.
Trip Permit: Tractor $25; Trailer $25
Department of Transportation    800-299-1700   
fax: 512-465-3565
Motor Carrier Division
125 E. 11th Street
Austin, TX 78701
DOT Website    Construction Website   
State Association

Index


UTAH
Speed Limit: All vehicles 75
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 48 ft. with 40 ft. 6 in. kingpin or 53 ft. if
70 ft.; Single axle: 20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48 ft. with 40 ft. 6 in. kingpin; Tractor
Semi-trailer: Not restricted; Twins: No overall limit if trailing units are 61 ft. or less;
Gross weight: 80,000 lbs.
Trip Permit: 96 hours, $20 single unit, $40 combination; $20
for fuel
Department of Transportation    801-965-4508   
fax: 801-965-4936
Ports of Entry Division
Box 141210
Salt Lake City, UT 84114
DOT Website   
Construction Website   
State Association

Index



VERMONT

Speed Limit: All vehicles 65
Access Rules: Access for twins without permit limited to one mile for fuel, lodging,
repairs by permit; 48 ft. semis unlimited if 65 ft. overall; 53 ft. semis have one-mile
access; beyond that by route and company-specific permit.
Interstate Size and Weight: Semi-trailer: 53 ft. with 41 ft. kingpin; Single axle:
22,400 lbs.; Tandem axle: 36,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: 48 ft.; Tractor Semi-trailer: 65 ft.; Twins: Not
permitted; Gross weight: 80,000 lbs.
Trip Permit: 72 hour trip, $15
Department of Motor Vehicles    802-828-2070
Commercial Vehicle Operations
120 State Street
Montpelier, VT 05603
DOT Website    Construction Website   
State
Association

Index


VIRGINIA
Speed Limit: All vehicles 65
Access Rules: Shortest possible route within one mile. 
Interstate Size and Weight: Semi-trailer: 53 ft. with kingpin setting no more than
41 ft. to rearmost axle or midpoint of tandem axles; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs.
State Size and Weight: Semi-trailer: Not restricted; Tractor Semi-trailer: 65 ft.;
Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: $20 fuel; $15 IRP, 10 days
Department of Motor Vehicles    804-367-0558
2300 W. Broad Street
Richmond, VA 23219
DOT Website    Construction Website   
State Association

Index


WASHINGTON
Speed Limit: Trucks 60, cars 70
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 53 ft.; Single axle: 20,000 lbs.; Tandem
axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: 53 ft.; Tractor Semi-trailer: Not restricted;
Twins: 60 ft.; Gross weight: 80,000 lbs.
Trip Permit: Fee varies 
Department of Licensing    360-753-6901
Fuel Tax Division
Box 9228
Olympia, WA 98507
DOT Website    Construction Website   
State Association

Index


WEST VIRGINIA
Speed Limit: All vehicles 70
Access Rules: Restricted to two miles, including pints of loading and unloading
Interstate Size and Weight: Semi-trailer: 53 ft. with 37 ft. kingpin from last tractor
axle to first semi-trailer axle; Single axle: 20,000 lbs.; Tandem axle: 34,000 lbs.; Gross
weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not specified; Tractor Semi-trailer: 60 ft. some
roads restricted; Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: Use wire services
Department of Motor Vehicles    304-558-3629    
fax: 304-558-3735
IRP Section
PO Box 174
Charleston, WV 25321
DOT Website   
Construction Website   
State Association

Index


WISCONSIN
Speed Limit: All vehicles 65
Access Rules: Access for twins and other combinations not to exceed five miles to
points of loading and unloading or staging or vehicle assembly facilities
Interstate Size and Weight: Semi-trailer: 53 ft. with 43 ft. kingpin; Single axle:
20,000 lbs.; Tandem axle: 34,000 lbs.; Gross weight: 80,000 lbs. 
State Size and Weight: Semi-trailer: Not restricted, maximum 43 ft. kingpin;
Tractor-Semi-trailer: 60 ft.; Twins: Not permitted; Gross weight: 80,000 lbs.
Trip Permit: 72 hours, $15
By wire service: Cummins Cash    800-223-5588
jet permits:    800-733-2911 (in-state)   
800-558-0603
DOT Website    Construction Website   
State Association

Index


WYOMING
Speed Limit: All vehicles 75
Access Rules: All roads 
Interstate Size and Weight: Semi-trailer: 60 ft.; Single axle: 20,000 lbs.; Tandem
axle: 36,000 lbs.; Gross weight: 117,000 lbs.
State Size and Weight: Semi-trailer: 60 ft.; Tractor Semi-trailer: Not restricted;
Twins: 81 ft. overall with 48 ft. semi-trailer; Gross weight: 117,000 lbs.
Trip Permit: Fee varies 
Wyoming Highway Patrol    TWX: 307-777-4376   
Fax: 307-777-4399
Box 1708
Cheyenne, WY 82003
DOT Website   
Construction Website   
State Association

Index

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