The NYPD is stationing officers at Central Business District entry points with patrol cars looking for illegal or obstructed license plates.

The NYPD issued over 100 summonses in a six-hour period in Manhattan Wednesday morning to drivers trying to stiff the newly implemented congestion toll, police said. From 6 a.m. to noon, officers stationed at 60th St.

For drivers, the $9 congestion pricing fee isn't the only expense that may be waiting as you enter the Central Business District. CBS News New York's Doug Williams tells us what you need to know to avoid getting a ticket,