Skip to Content
Streetsblog New York City home
Streetsblog New York City home
Log In
DOT

Do Alternate Side Parking Rules Increase Traffic Congestion?

no_parking.jpg

Our regular babysitter Laura, an R train commuter, is out of town this week. Nicole, the woman providing us with back-up nanny service for our 1-year-old, travels to our house, in Park Slope, in a mini-van. This morning she noted, quite happily, that there was so little traffic on her way from Ocean Parkway that she was trying to figure out what holiday it must be.

We live on Union Street between 4th and 5th Avenue, and as I biked our 3-year-old up to school at 8th Avenue and Garfield around 8:45 a.m., I also noticed what seemed to be a distinct lack of morning rush hour chaos in the neighborhood. Union Street was unusually mellow. Except for the usual delivery trucks, 5th Avenue seemed weirdly empty. Seventh Avenue looked pretty busy but traffic was really moving on 8th Avenue, which is sometimes very backed up in the morning. Only one car passed us as we biked up First Street.

As has been noted repeatedly and in oddly gleeful fashion by the New York Times, the Department of Transportation has suspended alternate side parking regulations in Park Slope for the summer. And while the press and Community Board types have mostly obsessed over how the new rules will impact residents' parking availability, the more interesting and important question may be how the suspension is impacting traffic congestion and VMT (vehicle miles traveled) on local streets.

Certainly Nicole's and my Wednesday morning observations aren't enough to draw any conclusions. But how's this for a hypothesis: A measurable amount of New York City's traffic congestion, at least in some neighborhoods, is created by car owners moving their vehicles to comply with alternate side parking regulations. Eliminating or changing the regulations could help to reduce traffic congestion, vehicle miles traveled, pollution and carbon emissions on New York City's streets.

Park Slope is the laboratory this summer. How might one go about testing the hypothesis?

Photo: Entobox/Flickr

Stay in touch

Sign up for our free newsletter

More from Streetsblog New York City

MLK Day Headlines: Transit Dignity Edition

Honoring The Dream, plus other news.

January 19, 2026

Mayor Mamdani Won’t Discuss The Ongoing NYPD Criminal Bike Crackdown That Candidate Mamdani Opposed

Hizzoner has gotten the question at least four times in the last 11 days and has yet to explain why he has not ended the NYPD's ticketing blitz against bikers.

January 16, 2026

New Speaker’s Transportation Committee Signals Departure From Her Car-First Predecessor

The Council committee tapped by new Speaker Julie Menin has a pro-bike, pro-pedestrian chair — and zero Republicans.

January 16, 2026

Mamdani Warns Delivery Apps to Follow New Worker Protection Laws — Or Else

The Mamdani Administration sent letters to over 60 delivery app companies, warning they must comply with new regulations.

January 16, 2026

Advocates to Mamdani: Come See the Cross Bronx Impact for Yourself!

Anti-highway expansion advocates in the Bronx are asking the mayor to hear them out on their ideas to create a safer and more human-friendly environment around the toxic expressway.

January 16, 2026

Friday Video: Remember When Central Park Was Actually Dangerous?

Streetfilms legend Clarence Eckerson reframes the debate about Manhattan's premier green space in just 45 seconds.

January 16, 2026
See all posts