The first work week of congestion pricing is wrapping up in New York City. It has been six days since the controversial program got started, which charges most vehicles $9 to drive below 60th Street in Manhattan during peak hours.

New York’s congestion pricing started, charging a base toll of $9— motorcyclists get a break —for any non-taxi passenger cars entering Manhattan south of 60th Street. Even before then, though, the official Tolls by Mail New York website posted a warning that it’s aware of a text message scam that attempts to collect personal information by threatening late fees on unpaid congestion tolls.

The MTA has yet to release official results of congestion pricing‘s impact on NYC during its first days, but some preliminary data suggests the program’s impact on reducing traffic is mixed. Thanks to the online Congestion Pricing Tracker,