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Interstate max speed laws by state

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

Open the Speed limit difference map

How states differ

Highest rural interstate / freeway posted max.

  • 80–85 mph on some rural segments
  • Typically up to 75 mph
  • Typically up to 70 mph
  • 65 mph or lower max

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:

  • Interstate max speed by state
  • Interstate max speed laws by state
  • Speed limit laws by state
  • Interstate max speed map
  • Interstate max speed traveling across state lines
  • does interstate max speed change by state
  • speed limits by state interstate
  • interstate speed limit map
  • Interstate max speed in California / Texas / Florida / New York
  • is interstate max speed 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 (Ala. Code § 32-5A-171): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Alaska (AK)
Alaska (Alaska Stat. § 19.10.070): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
Arizona (AZ)
Arizona (A.R.S. § 28-702.04): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Arkansas (AR)
Arkansas (Ark. Code § 27-51-201): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
California (CA)
California (Cal. Veh. Code § 22349): rural interstate max 70 mph. Many urban freeways are posted 55–65; 70 is the rural interstate max under Veh. Code § 22349.
Colorado (CO)
Colorado (C.R.S. § 42-4-1101): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Connecticut (CT)
Connecticut (Conn. Gen. Stat. § 14-218a): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
Delaware (DE)
Delaware (21 Del. C. § 4169): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
Florida (FL)
Florida (Fla. Stat. § 316.187): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Georgia (GA)
Georgia (O.C.G.A. § 40-6-181): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Hawaii (HI)
Hawaii (Haw. Rev. Stat. § 291C-102): rural interstate max 60 mph. 60 mph is the highest published freeway max.
Idaho (ID)
Idaho (Idaho Code § 49-654): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Illinois (IL)
Illinois (625 ILCS 5/11-601): rural interstate max 70 mph. Urban interstates are posted 55–65.
Indiana (IN)
Indiana (Ind. Code § 9-21-5-2): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Iowa (IA)
Iowa (Iowa Code § 321.285): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Kansas (KS)
Kansas (Kan. Stat. § 8-1558): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Kentucky (KY)
Kentucky (KRS § 189.390): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Louisiana (LA)
Louisiana (La. R.S. 32:61): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Maine (ME)
Maine (29-A M.R.S. § 2073): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Maryland (MD)
Maryland (Md. Code, Transp. § 21-801.1): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Massachusetts (MA)
Massachusetts (Mass. Gen. Laws ch. 90, § 17): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
Michigan (MI)
Michigan (MCL 257.627): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Minnesota (MN)
Minnesota (Minn. Stat. § 169.14): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Mississippi (MS)
Mississippi (Miss. Code § 63-3-501): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Missouri (MO)
Missouri (Mo. Rev. Stat. § 304.010): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Montana (MT)
Montana (Mont. Code § 61-8-303): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Nebraska (NE)
Nebraska (Neb. Rev. Stat. § 60-6,186): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
Nevada (NV)
Nevada (NRS 484B.617): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
New Hampshire (NH)
New Hampshire (N.H. Rev. Stat. § 265:60): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
New Jersey (NJ)
New Jersey (N.J.S.A. 39:4-98): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
New Mexico (NM)
New Mexico (N.M. Stat. § 66-7-301): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
New York (NY)
New York (N.Y. Veh. & Traf. Law § 1180): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
North Carolina (NC)
North Carolina (N.C. Gen. Stat. § 20-141): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
North Dakota (ND)
North Dakota (N.D. Cent. Code § 39-09-02): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Ohio (OH)
Ohio (Ohio Rev. Code § 4511.21): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Oklahoma (OK)
Oklahoma (47 O.S. § 11-801 (turnpikes 80)): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Oregon (OR)
Oregon (Or. Rev. Stat. § 811.111): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Pennsylvania (PA)
Pennsylvania (75 Pa.C.S. § 3362): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Rhode Island (RI)
Rhode Island (R.I. Gen. Laws § 31-14-2): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
South Carolina (SC)
South Carolina (S.C. Code § 56-5-1520): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
South Dakota (SD)
South Dakota (S.D. Codified Laws § 32-25-4): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Tennessee (TN)
Tennessee (Tenn. Code § 55-8-152): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Texas (TX)
Texas (Tex. Transp. Code §§ 545.352, 545.353 (85 on designated rural I-10 / I-20)): rural interstate max 85 mph. 85 is only on designated rural west Texas interstates; most rural interstates are 75.
Utah (UT)
Utah (Utah Code § 41-6a-601): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.
Vermont (VT)
Vermont (23 V.S.A. § 1003): rural interstate max 65 mph. Urban freeways, bridges, and work zones are posted lower.
Virginia (VA)
Virginia (Va. Code § 46.2-870): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Washington (WA)
Washington (RCW 46.61.400 (75 on eastern I-90 / I-82)): rural interstate max 75 mph. Urban freeways, bridges, and work zones are posted lower.
West Virginia (WV)
West Virginia (W. Va. Code § 17C-6-1): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Wisconsin (WI)
Wisconsin (Wis. Stat. § 346.57): rural interstate max 70 mph. Urban freeways, bridges, and work zones are posted lower.
Wyoming (WY)
Wyoming (Wyo. Stat. § 31-5-301): rural interstate max 80 mph. Urban freeways, bridges, and work zones are posted lower.

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