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.

The first weekday of New York City's congestion pricing policy saw lighter-than-expected traffic, but questions remain whether the $9 peak-hour toll is responsible. The MTA estimates the fee could keep 100,

The countdown to congestion pricing in New York City is over. Drivers now must pay a toll to enter Manhattan south of 60th Street.