Mississippi’s new gas tax goes into effect July 1

JACKSON, Miss. (WJTV) – A gas tax hike at the pump will become law in Mississippi on July 1, 2025. This is part of House Bill 1, which lawmakers passed during the 2025 Legislative Session. The bill will phase out the state’s income tax.

Funds from the gas tax increase will be given to the Mississippi Department of Transportation (MDOT) to improve the state’s infrastructure.

“Finally, after 38 years adjusting the fuel tax and the user fees on using the roadways because that had not been done for nearly 40 years,” said Brad White, executive director of MDOT…

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