Last updated: May 2026 · Arizona IFTA rates current for Q1–Q4 2026
Arizona · 26.0¢/gal

Arizona IFTA Calculator 2026 — Diesel Tax Rate & Filing

Arizona diesel tax rate is 26.0¢ per gallon for 2026. Calculate your quarterly IFTA fuel tax liability for Arizona routes.

Calculate Your Arizona IFTA Tax

Arizona IFTA Rates & Trucking Overview 2026

Phoenix is a top-10 US freight market driven by distribution, construction materials, and its role as a Southwest logistics hub.

Major Arizona Trucking Routes

I-10 (Phoenix–Tucson–El Paso), I-40 (Flagstaff east-west, historic Route 66 corridor), I-17 (Phoenix–Flagstaff), I-8 (San Diego–Yuma–Tucson)

The Nogales port of entry is one of the busiest commercial crossings with Mexico, handling billions in agricultural and manufactured goods annually. Flagstaff on I-40 is a key overnight stop for cross-country drivers. Summer heat requires extra attention to tire pressure and cooling systems.

Arizona IFTA — Frequently Asked Questions

What is Arizona's IFTA diesel tax rate in 2026?
Arizona's diesel tax rate is 26.0¢/gal for 2026.
Who administers IFTA for Arizona-based carriers?
Arizona IFTA is administered by the Arizona Department of Transportation. File quarterly at AZTaxes.gov. Standard IFTA deadlines apply: Apr 30, Jul 31, Oct 31, Jan 31.
What are Arizona's major freight routes?
I-10 is Arizona's primary freight artery running Phoenix–Tucson–El Paso. I-40 through Flagstaff handles significant cross-country freight. Phoenix's Loop 101/202/303 belt freeways connect major warehousing and distribution centers in the West Valley.
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