The state gas tax goes up a nickel on Friday bringing it to just under 50 cents a gallon.
A 7-cent gas tax went into effect last August.
According to The Seattle Times, Washington's total gas tax, 67.8 cents — which includes 18.4 cents in federal taxes — ranks second behind Pennsylvania, which collects 68.7 cents.
The hikes were approved by lawmakers last year, to help fund billions of dollars in improvements for the state's transportation system.
Cox Media Group