Gas Prices Along Interstate 390

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

Route • 1 states

About Interstate 390

A 36-mile spur in upstate New York running from Dansville to Rochester, I-390 serves the western New York region. Gas prices reflect New York's 47-cent fuel tax.

Avg. Price Along Route
$3.58
Est. Trip Fuel Cost
$143
Price Range
$3.58–$3.58

Gas Prices at Each Stop

Fueling Tips for Interstate 390

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Frequently Asked Questions

Interstate 390 spans 1000 miles across multiple states. For a vehicle averaging 28 MPG highway, the fuel cost varies significantly depending on which states and price zones the route covers.
Interstate 390 passes through or near major cities where competitive fuel markets and warehouse clubs offer the best prices. Look for Costco, Sam's Club, or high-volume discount stations in each major metro along your route.
A 2-mile detour to save 20 cents per gallon on a 15-gallon fill-up saves $3. With a car getting 28 MPG, the detour uses 0.14 gallons. Detours above 3-4 miles for savings under 20 cents per gallon are generally not worthwhile.
The cheapest gas along Interstate 390 is generally found in New York, where lower fuel taxes and proximity to refineries or pipelines keep prices down. Avoid fueling at highway-exit stations in New York, where tourist premiums push prices 15-25 cents above the best nearby rates.
For a trip along Interstate 390, 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.

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