Brutally cold temperatures and blustery conditions made for an uncomfortable trek into Manhattan for many on the second day of congestion pricing.

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 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.