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IFTA News & Updates

Colorado Fuel Update

Road Usage Fee (RUF) and Bridge and Tunnel Impact Fee (BTI)

Due to the passage of SB25-320 effective July 1, 2025, the Bridge and Tunnel Impact (BTI) fee paid on special fuel increases to $0.07 per gallon. The Road Usage (RUF) fee increases to $0.05 per gallon. This fee applies to clear diesel, gasoline, gasohol (E-10, E85), ethanol, methanol, M-85, A55, and biodiesel. 

Go to the IFTA Forms webpage to see future scheduled rate changes.

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