Alabama

The IFTA diesel fuel tax rate in Alabama is 31.0¢ per gallon, which is 15.0¢ higher than your home state (Hawaii: 16.0¢/gal). Includes excise tax and inspection fee. This rate is reported on your quarterly IFTA return and net taxes owed or credited are calculated based on miles driven vs. fuel purchased in each jurisdiction.

Alabama participates in IRP; registration through ALDOR Motor Vehicle Division. Intrastate motor carrier certificate required for intrastate commerce; UCR registration required for interstate carriers. Your IRP registration covers operating in Alabama as long as it is listed on your cab card. If Alabama is not on your cab card, you will need a temporary trip permit: $50 for 72-hour temporary trip permit; available online through Alabama DOT.

Toll facilities in Alabama: No major toll roads for trucks.

Single-trip oversize/overweight permit: $10-$50 depending on dimensions; annual oversize permits available. Height only: $10; Width only: $15; Length only: $15; Overweight: $50 base plus per-mile fees for heavy loads. Always obtain permits before entering the state with oversize or overweight loads, as fines for operating without proper permits can be substantial.

FMCSA hazmat safety permit required; Alabama follows federal hazmat routing guidelines; no state-specific hazmat permit beyond federal requirements. All drivers transporting hazardous materials must have a valid CDL with hazmat endorsement (HME), which requires a TSA background check. Check Alabama's specific routing requirements before hauling hazmat loads through the state.

Multiple weigh stations on I-65, I-59, I-20; PrePass accepted at most locations. Bypass programs available: PrePass, Drivewyze. Carriers with good safety records and proper credentials may qualify for bypass at equipped stations, saving time and fuel.

For the most current IFTA rates, permit fees, and operating requirements, visit the Alabama DOT at https://www.dot.state.al.us/ or the tax authority at https://www.revenue.alabama.gov/. Additional motor carrier information: https://www.revenue.alabama.gov/business-license/motor-fuels-tax-rates/.