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Californiaoperating inDelaware
Moderate — average fuel tax, standard permits

Delaware

IFTA Diesel Rate
22.0¢/gal
vs. Home State
-65.3¢
Toll Roads
Yes
Trip Permit
$30 for temporary trip permit

IFTA Fuel Tax

The IFTA diesel fuel tax rate in Delaware is 22.0¢ per gallon, which is 65.3¢ lower than your home state (California: 87.3¢/gal). Low diesel tax rate; no state sales tax. 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.

Registration & Permits

Delaware participates in IRP; registration through DelDOT Division of Motor Vehicles. Delaware motor carrier permit for intrastate operations; minimal requirements. Your IRP registration covers operating in Delaware as long as it is listed on your cab card. If Delaware is not on your cab card, you will need a temporary trip permit: $30 for temporary trip permit; available at toll plazas or online.

Toll Roads

Toll facilities in Delaware: Delaware Turnpike (I-95 through Delaware); SR-1 (tolled highway). I-95 toll: ~$4 per truck axle; SR-1 tolls vary by distance; E-ZPass accepted and recommended.

Oversize/Overweight Permits

Single-trip permit: $20; annual permit: $75. DelDOT permits required; tight corridors in northern Delaware near Wilmington. Always obtain permits before entering the state with oversize or overweight loads, as fines for operating without proper permits can be substantial.

Hazmat Requirements

Federal hazmat requirements; Delaware follows FHWA hazmat routing guidelines; some restrictions through Wilmington urban area. All drivers transporting hazardous materials must have a valid CDL with hazmat endorsement (HME), which requires a TSA background check. Check Delaware's specific routing requirements before hauling hazmat loads through the state.

Weigh Stations & Bypass

Weigh station on I-95 southbound near Maryland border; portable enforcement. Bypass programs available: PrePass, Drivewyze. Carriers with good safety records and proper credentials may qualify for bypass at equipped stations, saving time and fuel.

Official Source

For the most current IFTA rates, permit fees, and operating requirements, visit the Delaware DOT at https://deldot.gov/ or the tax authority at https://revenue.delaware.gov/. Additional motor carrier information: https://deldot.gov/Business/DIMO/index.shtml.

Delaware DOT: https://deldot.gov/
Delaware Tax Authority: https://revenue.delaware.gov/
Data last updated: 2025Row last reviewed: Apr 17, 2026

IFTA fuel tax rates, permit fees, and toll rates are subject to change quarterly. Always verify current rates on the official state DOT or tax authority website. Data reflects Q1 2026 rates where available.