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

New York City's controversial congestion pricing plan begins today. Here's what you need to know about how it works, who it affects and what it will cost.

Drivers will now be paying a toll to enter Manhattan at and below 60th Street after congestion pricing went into effect on Sunday. Several lawsuits have attempted to block the first-in-the-U.S. plan,