Arizona diesel tax rate is 26.0¢ per gallon for 2026. Calculate your quarterly IFTA fuel tax liability for Arizona routes.
Phoenix is a top-10 US freight market driven by distribution, construction materials, and its role as a Southwest logistics hub.
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.
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