Just days after it received final legislative approval, a measure providing $400 million in gas tax revenues for transportation improvements this year has gotten Gov. Chris Christie’s blessing.

Workers at the International Laborers Union hall in Trenton cheered Monday as Christie signed the legislation designating $260 million for road and bridge repairs.

“There’s something in all 21 counties across the state. So everyone is going to see improvement from this in every corner of the state of New…