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• Speed Limit: All vehicles: 70 mph
• Access Rules: 53' trailers on all state roads except country roads with lanes less than 12' wide; 57' trailers on designated systems.
• Interstate Size & Weight: Trailer: 57', Single Axle: 20,000 lbs., Tandem Axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Trailer: 57', Overall vehicle length: Not restricted, Twins: Allowed on all federal and state routes.
• Trip Permit: 7-day vehicle permit $20

• Speed Limit: All vehicles: 65 mph
• Access Rules: Twins and tractor-trailers up to five miles off designated system and certain other routes.
• Interstate Size & Weight: Semi-trailer: 48', Single axle: 20,000 lbs., Tandem axle: 38,000 lbs., Tri-axle: 42,000 lbs., Gross Weight: Outer bridge formula; inner bridge limits apply to tractor and first trailer of multi-trailer configurations.
• State Size & Weight: Semi-trailer: 45', Tractor-Semi-Trailer: 85', Twins: 95' 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.

• 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' trailers allowed 10 miles off Interstate.
• Interstate Size & Weight: Semi-trailer: 57'6"; Single axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.; LCV's formula B with permit.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: 65' if trailer exceeds 53'; Twins: not restricted; Gross Weight: 80,000 lbs.
• Trip Permit: 96-hour vehicle permit, fees vary; 96-hour carrier permit, $48.

• Speed Limit: Trucks: 65 mph; Cars: 70 mph
• Access Rules: All roads
• Interstate Size & Weight: Semi-trailer: 53'6"; Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53'6", Tractor-semi-trailer: 75' if trailer exceeds 53', Twins: 65', Gross Weight: 80,000 lbs.
• Trip Permit: 72-hour vehicle, $33.

• Speed Limit: Trucks: 55 mph, Cars: 70 mph.
• 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 & Weight: Semi-trailer: 48' or 53' with 40' kingpin or 38' on single-axle trailer, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48' with 40' kingpin, Tractor-semi-trailer: 65' with 40' kingpin, Twins: 75', Gross Weight: 80,000 lbs.
• Trip Permit: Power Unit: $45; 5-day, 1 trip: $35; Fuel use: $30; Trailer: $5; 1 trip: $10.

• Speed Limit: All vehicles: 75 mph, lower for trucks in mountains.
• Access Rules: All roads signed interchange.
• Interstate Size & Weight: Semi-trailer: 57'4", Single-axle: 20,000 lbs., Tandem axle: 36,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 57'4", Tractor-trailer combination: 75', Twins: 75', Gross Weight: 85,000 lbs.
• Trip Permit: 10,000 to 30,000 lbs.: $71, 30,001 to 59,999 lbs.: $82, 60,000 lbs. and over: $93.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins and 53' trailers restricted to one mile; beyond that by permit over shortest route.
• Interstate Size & Weight: Semi-trailer: 53' with same access restrictions as twins; Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48'; 53' on designated roads; Tractor-semi-trailer: not restricted, Twins: Permitted as above, Gross Weight: 80,000 lbs.
• Trip Permit: Fee: $23.

• Speed Limit: All vehicles: Maximum 65 mph, except on portions of I-95 and on U.S. in Dover area.
• Access Rules: Access for twins and tractor-semi-trailers on Interstate and all U.S. numbered routes, except as posted; access by specific route permit only.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 60', 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.

• Speed Limit: All vehicles: 65 mph on Interstate.
• Access Rules: Access by permit only.
• Interstate Size & Weight: Semi-trailer: 48', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 55', Twins: Not Permitted', Gross Weight: 80,000 lbs.
• Trip Permit: $19.

• Speed Limit: All vehicles: 70 mph.
• 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 & Weight: Semi-trailer: 53' or 57'6" with permit, Single-axle: 22,000 lbs., tandem axle: 44,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: not restricted, Twins: Double 48' trailers permitted on turnpike, Gross Weight: 80,000 lbs.
• Trip Permit: 10 days: $45 plus wire service fee.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access for twins restricted to one mile off specified interchanges; Semi's: all roads with 12' lanes; 53' trailers restricted to 67'6" overall on other state routes.
• Interstate Size & Weight: Semi-trailer: 53' or 41' kingpin; 67'6" overall; Single-axle: 20,340 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48' or 53' if 67'6" overall on designated highway; Tractor-semi-trailer: 60' or 67'6" if 53' trailer, Twins: Designated highways, Gross Weight: 80,000 lbs.
• Trip Permit: $5-$20.

• Speed Limit: All vehicles: 55 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: Not restricted, Single-axle: 22,500 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 45', Tractor-semi-trailer: 60', Twins: 65' overall, Gross Weight: 88,000 lbs.
• Trip Permit: Unknown

• Speed Limit: Trucks: 65 mph, Cars: 75 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 48'; 53' 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 & Weight: Semi-trailer: 53', Tractor-semi-trailer: overall length restriction: 65', Twins: 61', combined trailers, 75' overall if over 61'; Gross Weight: 105,500 lbs.
• Trip Permit: $25 per unit; $25 per fuel.

• Speed Limit: Trucks: 55 mph, Cars: 65 mph.
• Access Rules: Twins and 102" wide vehicles allowed one-mile access on any road.  Units up to 65' in length and no more than 73,280 lbs gross weight and allowed five miles access on any road or street with lanes at least 11' wide.
• Interstate Size & Weight: Semi-trailer: 53' with 45'6" kingpin, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs; 105,500 lbs. by permit.
• State Size & Weight: Semi-trailer: 53' with 45'6" kingpin on trailers more than 48'; Tractor-semi-trailer: 45'6" kingpin on trailers more than 48'; Twins: 65', Gross Weight: 73,280 lbs.
• Trip Permit: 72-hour vehicle permit: $15.

• Speed Limit: Trucks: 60 mph, Cars: 65 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53' with 43' kingpin setting, Tractor-semi-trailer: not restricted, Twins: not restricted, Gross Weight: 80,000 lbs.
• Trip Permit: 5 days, $50 (maximum of 4 per calendar year)

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Federal regulations on vehicle size, length and access apply on all state highways.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Gross weight: 96,000 lbs. (non-Interstate)
• Trip Permit: 72-hour vehicle permit: $10, 72-hour or 1-trip fuel permit: $20.

• Speed Limit: All vehicles (on Interstates and 4-lane divided highways): 70 mph, 65 mph on posted 2-lane highways.
• Access Rules: No restrictions except on LCV units where applicable.
• Interstate Size & Weight: Semi-trailer: 59'6", Single-axle: 20,000 lbs., Wide-base single tire only (section width 14" or more): 600 lbs. per inch on steering axle; 575 lbs. per inch on all other axles; Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 59'6", Tractor-semi-trailer: not restricted, Twins: 28'6", Gross Weight: 150,000 lbs. (effective 1/97).
• Trip Permit: $10; non-IRP fuel: $26; Oversize: $5.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins and tractor-trailers restricted to 5 miles on state maintained highways.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 65', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 10 days: $40.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access restricted to 10 miles to terminals and facilities for food, fuel, repairs and rest.
• Interstate Size & Weight: Semi-trailer: 59'6", Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 65', Twins: not restricted, Gross Weight: 80,000 lbs.
• Trip Permit: $5 plus transmission fees and truck stop fees.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access restricted for twins and tractor-semi-trailers to one mile in both rural and urban areas; permit required for operation beyond; access unlimited for kingpin of 38' or less.
• Interstate Size & Weight: Semi-trailer: 48' or (53' by permit), Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
  State Size & Weight: Semi-trailer: 48' with 38' kingpin, Tractor-semi-trailer: 65' with 38' 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.

• Speed Limit: All vehicles: 65 mph, lower speeds 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 & Weight: Semi-trailer: 53', (HazMat allowed in non-bulk quantities), Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48' (53' on designated routes), Tractor-semi-trailer: not restricted, Twins: on designated routes, Gross Weight: 80,000 lbs.
• Trip Permit: Fees vary.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins and semis by specific route permit to terminate upon petition by manufacturing facility.
• Interstate Size & Weight: Semi-trailer: 53', permit and markings required, Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53' most highways, permit and markings required, Tractor-semi-trailer: 60', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: (wire services only) 72-hour vehicle permit: $15, 72-hour IFTA permit: $20.

• Speed Limit: Trucks: 55 mph, Cars: 70 mph.
• Access Rules: Access restricted to five miles on state highways only.
  Interstate Size & Weight: Semi-trailer: 53' with 40'6" kingpin or 50' 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 & Weight: Semi-trailer: 50', Tractor-semi-trailer: not restricted, Twins: 58', Gross Weight: 80,000 lbs., maximum axle weight 13,000 lbs. 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.

• Speed Limit: 70 mph on posted Interstates.
• Access Rules: Access restricted for twins and tractor-semi-trailers for food, fuel, repairs and points of loading and unloading; household goods and livestock carriers: rest or for purpose of route continuity.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin; Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., (46,000 with permit), Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53' with 41' kingpin, Tractor-semi-trailer: 75', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: $15 for 15 days.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: not restricted, Twins: not restricted, Gross Weight: 80,000 lbs.
• Trip Permit: $25.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access restricted to 10 miles.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 60', Twins: 65' on specified roads; 55' on all others, Gross Weight: 80,000 lbs.
• Trip Permit: Recip.:$10; Fuel: $10; DOT: $5; Combined fuel/recip: $20; Combined IRP-IFTA: $25.

• Speed Limit: Trucks: 65 mph, Cars: 75, all vehicles at night: 65 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53'; 57' with permit, Tractor-semi-trailer: not restricted, Twins: Overall combination length of 61', Single truck: 55', Gross Weight: 80,000 lbs.
• Trip Permit: Fee varies.

• Speed Limit: All vehicles: 75 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: not restricted, Twins: 65' 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.

• Speed Limit: All vehicles: 75 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs., 129,000 lbs. by permit.
• State Size & Weight: Semi-trailer: 48', Tractor-semi-trailer: not restricted, Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 3 days: $10.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins by permit only.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs., 129,000 lbs. by permit.
• State Size & Weight: Semi-trailer: 48', Tractor-semi-trailer: not restricted, Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 3 days, $10.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins to and from terminal destination; permit not needed.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 22,400 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs., 129,000 lbs. by permit.
• State Size & Weight: Semi-trailer: 48', Tractor-semi-trailer: not restricted, Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: Decal: $5.

• 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 & Weight: Semi-trailer: 57'6", Single-axle: 21,600 lbs. with steer axle of 12,000 lbs., Tandem axle: 34,320 lbs., Gross Weight: 86,400 lbs.
• State Size & Weight: Semi-trailer: 57'6", Tractor-semi-trailer: 65' if exceeds allowable trailer length, Twins: 65', Gross Weight: 86,400 lbs.
• Trip Permit: 48 hours: $5.

• Speed Limit: All vehicles: 65 mph, doubles on Turnpike: 55 mph.
• Access Rules: Access follows federal 1-mile rule; other specified routes to be authorized by State DOT upon carrier petition; 102" equipment allowed on all highways with 10' lanes.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin, Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs., Gross Weight: 86,000 lbs.
• State Size & Weight: Semi-trailer: 48', Tractor-semi-trailer: 65', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: $15 plus mileage tax.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Twins and semis, access by applications beyond 3 miles for STAA.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin, Single-axle: 20,000 lbs., Tandem axle: 38,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', not restricted if 60' overall, Tractor-semi-trailer: 60', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 10 days, $15.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access for twins and semis on all state highways; combinations over 75' on designated highways.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs., 129,000 lbs. by permit.
• State Size & Weight: Semi-trailer: 53' restricted if 60' overall', Tractor-semi-trailer: 88' state designated highways; 75' all others, Twins: 75', Gross Weight: 105,500 lbs.
• Trip Permit: 72 hours, $20.

• Speed Limit: Trucks: 55 mph, Cars: 65 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: not restricted, Twins: pup 28'6", Gross Weight: 80,000 lbs.
• Trip Permit: 5 days: $10 plus surcharge.

• Speed Limit: All vehicles: Interstate: 70 mph, Turnpike: 75 mph.
• Access Rules: 53' each trailer, combination, not to exceed 100' on Interstate and 4-lane roads only, 5 mile access.
• Interstate Size & Weight: Semi-trailer: not restricted, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53' (59'6" by permit), Tractor-semi-trailer: not restricted, Twins: 29', Gross Weight: 90,000 lbs.
• Trip Permit: 72 hours: $12.

• Speed Limit: Trucks: 55 mph, Cars: 65 mph.
• Access Rules: Access to one mile except where posted and on designated routes with up to 48' trailer.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: 60' with unlimited trailer length on Group One highways; 65' on Group Two highways with some exceptions; Twins: 60' on Group One highways; Gross Weight: 80,000 lbs.
• Trip Permit: $8 plus road use fee.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for 102", 48' and 53' trailers and twins allowed on marked routes, written approval of state DOT, no longer needed. Also 1/2 mile from ramps and intersections; 1 mile to terminal or facility for food, fuel or rest.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 60', Twins: not restricted, Gross Weight: 80,000 lbs.
• Trip Permit: No provision.

• Speed Limit: Trucks: 65 mph on I-295 and portions of I-95.
• Access Rules: Access for semis is all roads; for twins: restricted to one mile of Interstate only; access requires route approval by state DOT ($1000 fine)
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin setting, Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53' with 41' kingpin setting, Tractor-semi-trailer: not restricted, Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs, Twins: 28'6", Gross Weight: 80,000 lbs.
• Trip Permit: 5 days: $20; Blanket fee: $100.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access for twins is five miles to terminals, fuel, food and rest; by permission for greater distances.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin setting, Single-axle: 20,000 lbs., Tandem axle: 35,200 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53'; 102" wide vehicles, all roads; Tractor-semi-trailer: not restricted, Twins: by permission, Gross Weight: 80,608 lbs.
• Trip Permit: $15 plus wire service fee.

• Speed Limit: All vehicles: 75 mph.
• Access Rules: Access for twins and semis on all state highways, combinations over 75' on designated highways.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', restricted if 60' overall, Tractor-semi-trailer: 88', state designated highways, 75' all others, Twins: 75', Gross Weight: 105,500 lbs.
• Trip Permit: Fuel permit: $20, Oversize: $20; Single-trip Commercial License: $15.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Access for twins and semis on all state highways.
• Interstate Size & Weight: Semi-trailer: 50', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 50', Tractor-semi-trailer: 75', Twins: 28'6", Gross Weight: 80,000 lbs.
• Trip Permit: Fees vary.

• Speed Limit: Trucks (day): 70 mph, (night): 55 mph; Cars (day): 70 mph, (night): 65 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 59', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 59', restricted if 60' overall, Tractor-semi-trailer: not restricted, Twins: not restricted, Gross Weight: 105,500 lbs.
• Trip Permit: Tractor: $25, Trailer: $25.

• Speed Limit: All vehicles: 75 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailers: 48' with 40'6" kingpin or 53', if 70'; Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48' with 40' kingpin; Tractor-semi-trailer: not restricted, Twins: no overall limit if trailing units are 61' or less; Gross Weight: 80,000 lbs.
• Trip Permit: 96 hours: $20 single unit; $40 combination; $20 fuel.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins without permit limited to one mile for fuel, lodging, repairs by permit; 48' semis  unlimited if 65' overall, 53' semis have one-mile access, beyond that, by route and company-specific permit.
• Interstate Size & Weight: Semi-trailer: 53' with 41' kingpin, Single-axle: 22,400 lbs., Tandem axle: 36,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 48', Tractor-semi-trailer: 65', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 72-hour trip: $15.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Shortest possible route within one mile..
• Interstate Size & Weight: Semi-trailer: 53' with kingpin setting of no more than 41' 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 & Weight: Semi-trailer: not restricted, Tractor-semi-trailer: 65', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: Fuel: $20; IRP (10 days): $15.

• Speed Limit: Trucks: 60 mph, Cars: 70 mph.
• Access Rules: All roads.
• Interstate Size & Weight: Semi-trailer: 53', Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: 53', Tractor-semi-trailer: not restricted, Twins: 60', Gross Weight: 80,000 lbs.
• Trip Permit: Fee varies.

• Speed Limit: All vehicles: 70 mph.
• Access Rules: Restricted to two miles, including points of loading and unloading.
• Interstate Size & Weight: Semi-trailer: 53' with 37' kingpin from last tractor axle to first trailer axle, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not specified, Tractor-semi-trailer: 60' (some roads restricted), Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: Use wire services.

• Speed Limit: All vehicles: 65 mph.
• Access Rules: Access for twins and other combinations not to exceed five miles to points of loading and unloading, staging or vehicle assembly facilities.
• Interstate Size & Weight: Semi-trailer: 53' with 43' kingpin, Single-axle: 20,000 lbs., Tandem axle: 34,000 lbs., Gross Weight: 80,000 lbs.
• State Size & Weight: Semi-trailer: not restricted, maximum 43' kingpin, Tractor-semi-trailer: 60', Twins: not permitted, Gross Weight: 80,000 lbs.
• Trip Permit: 72-hour trip: $15.

Wyoming to top

• Speed Limit: All vehicles: 65 mph.

• Access Rules: All roads.

• Interstate Size & Weight: Semi-trailer: 60', Single-axle: 20,000 lbs., Tandem axle: 36,000 lbs., Gross Weight: 117,000 lbs.

• State Size & Weight: Semi-trailer: 60', Tractor-semi-trailer: not restricted, Twins: 81' overall with 48' semi-trailer, Gross Weight: 117,000 lbs.

• Trip Permit: Fee varies.