ST. PAUL (AP) - The Minnesota Senate has revived the possibility of raising the gas tax for roadwork and a metropolitan area sales tax for mass transit in a sudden change to a transportation finance plan.

The revision came Friday in an amendment that would raise the gas tax by 5 cents over four years and a half-cent sales tax in the Twin Cities area over the same span. The two taxes would raise about $1 billion over the next four years.

Legislative Democrats had retreated from a gas tax increase after Democratic Gov. Mark Dayton publicly balked at it. His spokesman, Bob Hume, said the governor has not changed his stance in opposition to a gas tax increase this year.

The change was adopted on a 34-26 vote.