Be careful what you wish for. A vocal proponent of the state’s controversial congestion pricing plan who is nudging New Yorkers into the city’s troubled transit system was attacked at a Manhattan subway station over the weekend.

The toll, known as congestion pricing, is meant to reduce traffic gridlock in densely packed Manhattan while also raising money to help fix the city’s ailing public transit infrastructure. It formally took effect Sunday.

Driving into the heart of New York City just got more expensive thanks to a long-anticipated congestion pricing plan that went into effect this week.