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Truck / CMV speed vs cars laws by state

People search “Truck / CMV speed vs cars by state”, “Truck / CMV speed vs cars laws by state”, and “Truck speed map” when a road trip, boat, bike, or load is about to cross a line. This page is the 50-state index for truck / cmv speed vs cars. Colors and quotes are written for someone in that state today, not for what that state demands of its own registered vehicles.

Open the Truck speed difference map

How states differ

Lower truck speed than cars on rural interstates.

  • Hard ~55 mph truck cap (California-style)
  • Wide split — trucks 10+ mph under cars
  • Narrow split — trucks a few mph under cars
  • Trucks use the same posted max as cars

Searches this page is meant to answer

If you typed any of these — or a close variant with a state name — this is the Crosstatelaws topic that should show up:

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  • Truck / CMV speed vs cars laws by state
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  • Truck / CMV speed vs cars traveling across state lines
  • does truck / cmv speed vs cars change by state
  • truck speed limits by state
  • do trucks have a different speed limit
  • hotshot speed limit
  • California truck 55 mph
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  • is truck / cmv speed vs cars legal while traveling

All 50 states

One-line traveler summary for each state. Open the map for the quoted rule and footnotes.

Alabama (AL)
Alabama: rural interstate 70 mph for trucks and cars (Ala. Code § 32-5A-171). No published statewide truck-only mph cut.
Alaska (AK)
Alaska: rural interstate 65 mph for trucks and cars (Alaska Stat. § 28.35.182 / 13 AAC 02.325). No published statewide truck-only mph cut.
Arizona (AZ)
Arizona: rural interstate 75 mph for trucks and cars (A.R.S. § 28-702). Some rural I-10 / I-40 segments post 75 for every vehicle.
Arkansas (AR)
Arkansas: rural interstate 70 mph for trucks and cars (Ark. Code § 27-51-201). No published statewide truck-only mph cut on rural interstates.
California (CA)
California: rural interstate 70 mph cars / 55 mph trucks (Cal. Veh. Code § 22406). Hard 55 mph cap for any motor truck or truck tractor with 3 or more axles, or any truck towing.
Colorado (CO)
Colorado: rural interstate 75 mph for trucks and cars (C.R.S. § 42-4-1101). Mountain grades and I-70 post lower truck plaques (55–65) that control the segment.
Connecticut (CT)
Connecticut: rural interstate 65 mph for trucks and cars (Conn. Gen. Stat. § 14-218a). No published statewide truck-only mph cut.
Delaware (DE)
Delaware: rural interstate 65 mph for trucks and cars (21 Del. C. § 4169). SR-1 and some limited-access segments post a 55 mph truck plaque.
Florida (FL)
Florida: rural interstate 70 mph for trucks and cars (Fla. Stat. § 316.183). No published statewide truck-only mph cut.
Georgia (GA)
Georgia: rural interstate 70 mph for trucks and cars (O.C.G.A. § 40-6-181). No published statewide truck-only mph cut.
Hawaii (HI)
Hawaii: rural interstate 60 mph for trucks and cars (Haw. Rev. Stat. § 291C-102). H-1 / H-2 post 55–60. No published truck-only mph cut.
Idaho (ID)
Idaho: rural interstate 80 mph cars / 70 mph trucks (Idaho Code § 49-654). Rural interstate 80 cars / 70 trucks (5+ axles or 26,001 lb).
Illinois (IL)
Illinois: rural interstate 70 mph for trucks and cars (625 ILCS 5/11-601). Urban interstate 55. No published statewide truck-only mph cut.
Indiana (IN)
Indiana: rural interstate 70 mph cars / 65 mph trucks (Ind. Code § 9-21-5-2). Rural interstate 70 cars / 65 trucks.
Iowa (IA)
Iowa: rural interstate 70 mph for trucks and cars (Iowa Code § 321.285). No published statewide truck-only mph cut.
Kansas (KS)
Kansas: rural interstate 75 mph for trucks and cars (Kan. Stat. § 8-1558). No published statewide truck-only mph cut.
Kentucky (KY)
Kentucky: rural interstate 70 mph for trucks and cars (KRS § 189.390). No published statewide truck-only mph cut.
Louisiana (LA)
Louisiana: rural interstate 70 mph for trucks and cars (La. R.S. 32:61). No published statewide truck-only mph cut.
Maine (ME)
Maine: rural interstate 75 mph for trucks and cars (29-A M.R.S. § 2073). Rural interstate 75 for every vehicle. No published truck-only mph cut.
Maryland (MD)
Maryland: rural interstate 70 mph for trucks and cars (Md. Code, Transp. § 21-801.1). No published statewide truck-only mph cut.
Massachusetts (MA)
Massachusetts: rural interstate 65 mph for trucks and cars (Mass. Gen. Laws ch. 90, § 17). No published statewide truck-only mph cut.
Michigan (MI)
Michigan: rural interstate 75 mph cars / 65 mph trucks (MCL 257.627). Rural freeway 70–75 cars / 65 trucks (and vehicles with trailers).
Minnesota (MN)
Minnesota: rural interstate 70 mph for trucks and cars (Minn. Stat. § 169.14). No published statewide truck-only mph cut.
Mississippi (MS)
Mississippi: rural interstate 70 mph for trucks and cars (Miss. Code § 63-3-501). No published statewide truck-only mph cut.
Missouri (MO)
Missouri: rural interstate 70 mph for trucks and cars (Mo. Rev. Stat. § 304.010). No published statewide truck-only mph cut.
Montana (MT)
Montana: rural interstate 80 mph cars / 70 mph trucks (Mont. Code § 61-8-303). Rural interstate 80 cars / 70 trucks.
Nebraska (NE)
Nebraska: rural interstate 75 mph for trucks and cars (Neb. Rev. Stat. § 60-6,186). No published statewide truck-only mph cut.
Nevada (NV)
Nevada: rural interstate 80 mph for trucks and cars (NRS 484B.600). Rural I-80 / I-15 post 80 for trucks and cars. Grades still post a lower truck plaque.
New Hampshire (NH)
New Hampshire: rural interstate 70 mph for trucks and cars (N.H. Rev. Stat. § 265:60). No published statewide truck-only mph cut.
New Jersey (NJ)
New Jersey: rural interstate 65 mph for trucks and cars (N.J.S.A. 39:4-98). Turnpike / Parkway post 55–65. No published truck-only mph cut.
New Mexico (NM)
New Mexico: rural interstate 75 mph for trucks and cars (N.M. Stat. § 66-7-301). No published statewide truck-only mph cut.
New York (NY)
New York: rural interstate 65 mph for trucks and cars (N.Y. Veh. & Traf. Law § 1180). Thruway 65 for trucks and cars. Some parkways and parkway-adjacent segments post 55 and ban trucks.
North Carolina (NC)
North Carolina: rural interstate 70 mph for trucks and cars (N.C. Gen. Stat. § 20-141). No published statewide truck-only mph cut.
North Dakota (ND)
North Dakota: rural interstate 75 mph for trucks and cars (N.D. Cent. Code § 39-09-02). No published statewide truck-only mph cut.
Ohio (OH)
Ohio: rural interstate 70 mph for trucks and cars (Ohio Rev. Code § 4511.21). Rural interstate 70 for trucks and cars. No published statewide truck-only mph cut.
Oklahoma (OK)
Oklahoma: rural interstate 75 mph for trucks and cars (47 O.S. § 11-801). No published statewide truck-only mph cut.
Oregon (OR)
Oregon: rural interstate 70 mph cars / 65 mph trucks (Or. Rev. Stat. § 811.111). Many interstates 65 trucks / 70 cars; some two-lane and older I-5 segments still post trucks 55.
Pennsylvania (PA)
Pennsylvania: rural interstate 70 mph for trucks and cars (75 Pa.C.S. § 3362). No published statewide truck-only mph cut.
Rhode Island (RI)
Rhode Island: rural interstate 65 mph for trucks and cars (R.I. Gen. Laws § 31-14-2). No published statewide truck-only mph cut.
South Carolina (SC)
South Carolina: rural interstate 70 mph for trucks and cars (S.C. Code § 56-5-1520). No published statewide truck-only mph cut.
South Dakota (SD)
South Dakota: rural interstate 80 mph for trucks and cars (S.D. Codified Laws § 32-25-1.1). Rural interstate 80 for trucks and cars.
Tennessee (TN)
Tennessee: rural interstate 70 mph for trucks and cars (Tenn. Code § 55-8-152). No published statewide truck-only mph cut.
Texas (TX)
Texas: rural interstate 75 mph for trucks and cars (Tex. Transp. Code § 545.352). Some rural I-10 / I-20 segments post 80 for every vehicle. No published statewide truck-only mph cut.
Utah (UT)
Utah: rural interstate 80 mph for trucks and cars (Utah Code § 41-6a-601). Rural interstate 80 for trucks and cars. Canyons post lower truck plaques.
Vermont (VT)
Vermont: rural interstate 65 mph for trucks and cars (23 V.S.A. § 1003). No published statewide truck-only mph cut.
Virginia (VA)
Virginia: rural interstate 70 mph for trucks and cars (Va. Code § 46.2-870). No published statewide truck-only mph cut.
Washington (WA)
Washington: rural interstate 70 mph cars / 60 mph trucks (RCW 46.61.405 / 46.61.410). Rural interstate 70 cars / 60 trucks on many I-90 / I-5 segments (15 mph under cars).
West Virginia (WV)
West Virginia: rural interstate 70 mph for trucks and cars (W. Va. Code § 17C-6-1). No published statewide truck-only mph cut.
Wisconsin (WI)
Wisconsin: rural interstate 70 mph for trucks and cars (Wis. Stat. § 346.57). No published statewide truck-only mph cut.
Wyoming (WY)
Wyoming: rural interstate 80 mph cars / 75 mph trucks (Wyo. Stat. § 31-5-301). Rural interstate 80 cars / 75 trucks (5 mph under cars).

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Not legal advice. Confirm statutes before you travel. Disclaimer.