IFTA/Fuel Updates
Effective May 12, 2025 the IRP office moves to the Westgate DMV office located at 3262 S Wadsworth Blvd. Lakewood, 80214. Carriers will continue to be able to get their IFTA License and Decals while registering the qualifying motor vehicle. On July 1, 2025, the bridge and tunnel impact (BTI) fee and road usage fee (RUF) increases from $0.04 to $0.05 each.
- Fuel Distributors go to tax.colorado.gov/fuel-tax-and-fee-rates for current and future fuel tax and fee rate information.
- IFTA carriers go to tax.colorado.gov/IFTA-forms for IFTA rates.
Firearm & Ammunition Tax Information
Firearms & Ammunition Excise Tax is effective April 1, 2025. More information, including registration requirements, FAQs, and filing information is available from the Firearms & Ammunition Tax landing page
Quick Links
Excise Tax Information
Fuel Tax & International Fuel Tax Agreement (IFTA) Information
Excise & Fuel Tax Resources
