Indiana IFTA Calculator

Indiana has one of the highest diesel tax rates in the country at $0.530 per gallon, which makes fuel purchase strategy critical for any carrier with significant Indiana mileage. The state sits at a major crossroads of national freight. I-65 runs north-south from Chicago to Louisville and is one of the most heavily trafficked freight corridors in the Midwest. I-70 runs east-west from Indianapolis to Columbus, Ohio and is a primary New York-to-St. Louis freight lane. I-94 parallels the I-90 Indiana Toll Road across the northern portion of the state connecting Chicago to Detroit. Indianapolis functions as a secondary Midwest distribution hub with significant FedEx, UPS, and Amazon distribution infrastructure.

Given Indiana's $0.530 rate, compare carefully: Ohio at $0.470 is cheaper, Illinois at $0.463 is cheaper, Kentucky at $0.300 effective rate is significantly cheaper, and Michigan at $0.272 is notably cheaper. Northbound drivers entering from Kentucky on I-65 should fuel heavily in Kentucky before crossing. Drivers coming from Ohio on I-70 should take the last Ohio stop seriously. The fuel savings on a 150-gallon fill between Kentucky's $0.300 and Indiana's $0.530 amounts to $34.50 per fill.

Standard weight limits are 80,000 lbs on interstates. Indiana allows certain agricultural vehicles and logged vehicles to exceed this on state highways with permits. The Indiana Toll Road (I-90) uses E-ZPass for commercial vehicles with per-axle tolling.

Weigh stations are active on I-65 near Lowell, I-70 near Brazil and Greenfield, and I-94 near Burns Harbor. Indiana State Police run aggressive commercial vehicle enforcement programs. For IFTA compliance, track Indiana mileage precisely — with the high tax rate, undercounting Indiana miles and overcounting cheap neighboring state miles will trigger an audit notice quickly.