Gas Prices Along Interstate 30

Updated April 5, 2026 — Prices updated regularly from EIA data

Route • 2 states

About Interstate 30

Running 367 miles from Fort Worth, TX to Little Rock, AR, I-30 connects two of the South's most affordable fuel markets. Texas and Arkansas both have low fuel taxes, making this corridor one of the cheapest for highway driving.

Avg. Price Along Route
$2.66
Est. Trip Fuel Cost
$106
Price Range
$2.56–$2.72

Gas Prices at Each Stop

Fueling Tips for Interstate 30

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Frequently Asked Questions

The cheapest gas along Interstate 30 is generally found in Texas, where lower fuel taxes and proximity to refineries or pipelines keep prices down. Avoid fueling at highway-exit stations in Arkansas, where tourist premiums push prices 15-25 cents above the best nearby rates.
For a trip along Interstate 30, a vehicle averaging 25 MPG would use approximately 1 gallon per 25 miles. At current average prices along the route, budget approximately {perMileCost} cents per mile for fuel. Plan fill-ups in lower-price states whenever possible.
Yes — consistently. Highway-exit gas stations charge 10-25 cents more per gallon than stations just 1-2 miles off the interstate. Whenever possible, exit the highway and drive to a commercial area for competitively priced fuel.
Gas prices along Interstate 30 vary significantly by state due to different fuel tax rates. States like Texas (20 cents/gallon), Missouri (17 cents), and Oklahoma (20 cents) consistently offer the most affordable fuel. Pennsylvania (59 cents) and California (67 cents) are among the most expensive.
Fill your tank before entering high-price states along your Interstate 30 route. Use the GasBuddy app to see upcoming prices and plan fill-up stops at the cheapest available locations. Always fill up when you have a quarter tank remaining — running low limits your options.

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