On November 7, 2014, New York City’s default speed limit was changed from 30 mph to 25 mph. Unless otherwise signed, all streets in New York City are governed by this 25 mph speed limit. Driving at or below 25 MPH decreases stopping distance, gives drivers and pedestrians more time to see each other and react, and improves drivers’ ability to avoid crashes. Pedestrians struck by vehicles traveling at 25 MPH are half as likely to die as those struck at 30 MPH. If crashes do occur, the severity of injuries is reduced a lower speeds. The information shown here was compiled by the New York City Department of Transportation for governmental purposes. The information is updated as soon as reasonably practicable. The public is advised that speed limits are subject to temporary or permanent change and that posted signage must be observed for compliance with laws and regulations.

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E-Z Pass readers are installed throughout NYC to determine traffic speed on a local street. This creates studies for Midtown in Motion (MIM) projects and other traffic calming and reorganizations to best adjust to the driver's needs. Data is in CSV format and refresh every 5 minutes.

This dataset contains information regarding placements of speed humps and speed cushions within the five boroughs.

Speed humps are traffic calming devices intended to slow traffic speeds on low volume, low speed roads. Speed humps are 3–4 inches high and 14–20 feet wide, with a ramp length of 3–6 feet, depending on target speed. Speed cushions are either speed humps or speed tables that include wheel cutouts to allow large vehicles to pass unaffected, while reducing passenger car speeds. They can be offset to allow unimpeded passage by emergency vehicles and are typically used on key emergency response routes. Speed humps are generally installed on local residential (non-truck route, non-bus route locations), while speed cushions are generally installed on designated truck route locations and bus route locations.

The requests for speed hump/cushion come through Commissioner Correspondences or from other sources and entered manually into the Speed Reducer Tracking System. The Speed Reducer Tracking System then tracks the results of request to determine whether a speed hump/cushion is feasible for installation.

E-Z Pass readers are installed throughout NYC to determine traffic speed on local streets. The collected data were used to plan traffic calming and reorganizations of NYC streets. Projects like Midtown in Motion (MIM), a congestion management program served midtown Manhattan from 1st to 9th Avenue between 42nd to 57th Streets was conducted to make best adjustments for driver's needs.

Speed Humps are a raised area of a roadway designed to reduce vehicle speeds. Dates reflect the first time a speed hump was installed at a location, subsequent removals and/or re-installations are not included.

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The Neighborhood Slow Zone program is an application based program which takes a neighborhood area and reduces the speed limit to 20 mph. Areas are chosen based on crashes, presence of schools and other neighborhood amenities, and community support. The treatments include a mixture of markings, signage, and speed humps.

For a complete list of Vision Zero maps, please follow this link

A list of raised crosswalk locations throughout New York City.

Priority Corridors where the signal progression has been changed to match the 25 MPH speed limit.

For a complete list of Vision Zero maps, please follow this link

E-Z Pass readers are installed throughout NYC to determine traffic speed on local streets. The collected data were used to plan traffic calming and reorganizations of NYC streets. Projects like Midtown in Motion (MIM), a congestion management program served midtown Manhattan from 1st to 9th Avenue between 42nd to 57th Streets was conducted to make best adjustments for driver's needs.

For the historical data, please refer to this dataset.