Gas Prices Along Interstate 68

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

Route • 2 states

About Interstate 68

Spanning 112 miles through the Maryland panhandle from Cumberland, MD to Morgantown, WV, I-68 passes through a relatively low-cost fuel region. Maryland and West Virginia both have moderate fuel taxes.

Avg. Price Along Route
$3.00
Est. Trip Fuel Cost
$120
Price Range
$2.86–$3.15

Gas Prices at Each Stop

Fueling Tips for Interstate 68

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Frequently Asked Questions

For a trip along Interstate 68, 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 68 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 68 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.
Interstate 68 passes through several states on its route. Oil-producing states like Texas, Oklahoma, Louisiana, North Dakota, and Wyoming typically offer the cheapest gas along any interstate that traverses them.

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