Do ifta / 3-axle fuel tax rules differ by state?

Yes. When a hotshot needs IFTA decals or a fuel trip permit Crosstatelaws maps all 50 states for travelers who are physically in that state — not for what a state requires of its own plates or licenses.

Does ifta / 3-axle fuel tax apply if my vehicle is registered in another state?

Operate-here rules (speed, helmets, possession, inspections you must stop for) follow the state you are in. Registration-state rules such as a front license plate do not. Read the layer notes on the map.

Where can I see a ifta / 3-axle fuel tax map?

Open the Crosstatelaws interactive map with this layer soloed: https://crosstatelaws.com/?solo=ifta_3axle

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IFTA / 3-axle fuel tax laws by state

People search “IFTA / 3-axle fuel tax by state”, “IFTA / 3-axle fuel tax laws by state”, and “IFTA map” when a road trip, boat, bike, or load is about to cross a line. This page is the 50-state index for ifta / 3-axle fuel tax. Colors and quotes are written for someone in that state today, not for what that state demands of its own registered vehicles.

Open the IFTA difference map

How states differ

When a hotshot needs IFTA decals or a fuel trip permit.

IFTA state with active ports of entry / trip-permit checks
IFTA member — 3+ axles or 26,001 lb in interstate commerce
Not an IFTA member — separate fuel / trip-permit rules

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:

IFTA / 3-axle fuel tax by state
IFTA / 3-axle fuel tax laws by state
IFTA laws by state
IFTA / 3-axle fuel tax map
IFTA / 3-axle fuel tax traveling across state lines
does ifta / 3-axle fuel tax change by state
IFTA 3 axle hotshot
do I need IFTA for a dually and gooseneck
IFTA trip permit
IFTA / 3-axle fuel tax in California / Texas / Florida / New York
is ifta / 3-axle fuel tax 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: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Alabama DOR IFTA.
Alaska (AK): Alaska: not an IFTA member. Lower-48 IFTA decals do not cover fuel tax here. Use Alaska (not IFTA) — motor-fuel / trip permit via DMV / DOT.
Arizona (AZ): Arizona: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. ADOT IFTA / ports of entry (Yuma, Ehrenberg, Sanders, Topock).
Arkansas (AR): Arkansas: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Arkansas DFA IFTA.
California (CA): California: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. CDTFA IFTA / CHP and Caltrans POE (I-15, I-40, I-80, I-5).
Colorado (CO): Colorado: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Colorado DOR IFTA / CSP ports (I-70, I-25, I-76).
Connecticut (CT): Connecticut: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Connecticut DMV IFTA.
Delaware (DE): Delaware: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Delaware DMV IFTA.
Florida (FL): Florida: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Florida DOR IFTA.
Georgia (GA): Georgia: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Georgia DOR IFTA.
Hawaii (HI): Hawaii: not an IFTA member. Lower-48 IFTA decals do not cover fuel tax here. Use Hawaiʻi (not IFTA) — motor-fuel via DOT / Tax.
Idaho (ID): Idaho: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Idaho Tax Commission IFTA / ITD ports (I-84, I-15, I-90).
Illinois (IL): Illinois: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Illinois DOR IFTA; fuel trip permit via IDOR.
Indiana (IN): Indiana: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Indiana DOR IFTA.
Iowa (IA): Iowa: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Iowa DOT IFTA.
Kansas (KS): Kansas: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Kansas DOR IFTA.
Kentucky (KY): Kentucky: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Kentucky DOR IFTA / KYU is a separate credential.
Louisiana (LA): Louisiana: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Louisiana DOR IFTA.
Maine (ME): Maine: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Maine IFTA Bureau.
Maryland (MD): Maryland: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Maryland Comptroller IFTA.
Massachusetts (MA): Massachusetts: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Massachusetts DOR IFTA.
Michigan (MI): Michigan: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Michigan Treasury IFTA.
Minnesota (MN): Minnesota: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Minnesota DOR IFTA.
Mississippi (MS): Mississippi: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Mississippi DOR IFTA.
Missouri (MO): Missouri: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Missouri DOR IFTA.
Montana (MT): Montana: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. MDT IFTA / ports of entry (I-15, I-90, I-94).
Nebraska (NE): Nebraska: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Nebraska DMV IFTA.
Nevada (NV): Nevada: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Nevada DMV IFTA / NDOT ports (I-15, I-80).
New Hampshire (NH): New Hampshire: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. New Hampshire DRA IFTA.
New Jersey (NJ): New Jersey: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. New Jersey MVC IFTA.
New Mexico (NM): New Mexico: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. New Mexico TRD IFTA / NMDOT ports (I-10, I-40, I-25).
New York (NY): New York: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. New York Tax IFTA (HUT is a separate credential).
North Carolina (NC): North Carolina: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. North Carolina DMV IFTA.
North Dakota (ND): North Dakota: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. North Dakota DOT IFTA / NDHP ports.
Ohio (OH): Ohio: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Ohio IFTA (Tax / PUCO).
Oklahoma (OK): Oklahoma: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Oklahoma Tax Commission IFTA / OHP ports.
Oregon (OR): Oregon: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. ODOT IFTA / ports of entry (I-5, I-84) — weight-mile is separate.
Pennsylvania (PA): Pennsylvania: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. PennDOT IFTA.
Rhode Island (RI): Rhode Island: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Rhode Island DMV IFTA.
South Carolina (SC): South Carolina: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. South Carolina DMV IFTA.
South Dakota (SD): South Dakota: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. South Dakota DOT IFTA / ports.
Tennessee (TN): Tennessee: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Tennessee Treasury IFTA.
Texas (TX): Texas: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Texas Comptroller IFTA.
Utah (UT): Utah: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Utah Tax IFTA / UDOT ports (I-15, I-80).
Vermont (VT): Vermont: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Vermont DMV IFTA.
Virginia (VA): Virginia: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Virginia DMV IFTA.
Washington (WA): Washington: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. Washington DOL IFTA / WSP ports (I-5, I-90).
West Virginia (WV): West Virginia: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. West Virginia DMV IFTA.
Wisconsin (WI): Wisconsin: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. WisDOT IFTA.
Wyoming (WY): Wyoming: IFTA member — 3 or more axles at any weight, or 2 axles over 26,000 lb, used in 2 or more member jurisdictions. Decals from the base-state license, or a fuel trip permit. WYDOT IFTA / ports of entry (I-80, I-25, I-90).

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