Gas Prices Along Interstate 78

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

Route • 3 states

About Interstate 78

Running 144 miles from Interstate 81 in Lebanon, PA to New York City, I-78 is the primary corridor for NJ/NY commuters. Gas prices spike sharply as you approach New York City due to high state and local taxes.

Avg. Price Along Route
$3.31
Est. Trip Fuel Cost
$132
Price Range
$3.19–$3.43

Gas Prices at Each Stop

Fueling Tips for Interstate 78

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Frequently Asked Questions

The cheapest gas along Interstate 78 is generally found in New Jersey, where lower fuel taxes and proximity to refineries or pipelines keep prices down. Avoid fueling at highway-exit stations in Pennsylvania, where tourist premiums push prices 15-25 cents above the best nearby rates.
For a trip along Interstate 78, 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 78 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 78 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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