A tax on pot is the only revenue increase that the governor identified in her news release on how to pay for the road fixes.

Michigan Gov. Gretchen Whitmer recently introduced a $3 billion plan to “fix the damn roads,” her 2018 gubernatorial campaign promise. The Mi Road Ahead plan, announced will invest $1 billion in local roads and $250 million in public transit programs throughout the state.

Gov. Whitmer proposes a $3 billion plan for Michigan road improvements, funded by gas and corporate taxes and marijuana tax revenue.

Michigan Gov. Gretchen Whitmer has proposed $3 billion in new revenue to pay for the roads. This comes as the money from a state bond program meant to improve the roads is drying up. According to our affiliate WILX,

Michigan Gov. Gretchen Whitmer announced a new plan to funnel more money into fixing the state's aging infrastructure.

It would generate long-term road funding by increasing the corporate income tax, taxing wholesale marijuana sales, cutting unspecified programs and shifting all taxes at the pump to road funding. The governor’s office declined to share working estimates for the corporate income tax increase or the wholesale marijuana tax percentage,

Whitmer said at the Detroit Auto Show that a new road funding plan would need to include new revenue sources, plus fiscally responsible spending cuts.