Interactive Map Allows Comparisons of the Nation's Traffic Camera Systems

Some cities take their surveillance of traffic violations very seriously. Washington, D.C., this time we're looking at you.

1 minute read

October 19, 2015, 11:00 AM PDT

By James Brasuell @CasualBrasuell


Sarak Kliff and Soo Oh report on the work of Jonathan Melby and Angela Buffington, who since 2006 have gathered and maintained a massive database of all of the red light cameras and speed cameras in North America. "This database now has 3,699 red light cameras and 1,413 speed cameras — although that could change as the list is updated each week," according to Kliff and Oh.

Kliff and Oh used the database to produce an interactive map of each of those cameras, which allows users to compare each city's traffic cameras. The article accompanying the map also includes thoughts and insights Melby and Buffington about the process of maintaining the database. For instance, the database reveals Washington, D.C. to have the most traffic cameras in the country. Melby and Buffington also report some of the characteristics of camera systems in cities like New York and Phoenix.

Friday, October 16, 2015 in Vox

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Cover CM Credits, Earn Certificates, Push Your Career Forward

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

June 18, 2025 - Diana Ionescu

Rendering of Shirley Chisholm Village four-story housing development with person biking in front.

San Francisco's School District Spent $105M To Build Affordable Housing for Teachers — And That's Just the Beginning

SFUSD joins a growing list of school districts using their land holdings to address housing affordability challenges faced by their own employees.

June 8, 2025 - Fast Company

Woman and young girl looking at subway map, woman pointing.

Can We Please Give Communities the Design They Deserve?

Often an afterthought, graphic design impacts everything from how we navigate a city to how we feel about it. One designer argues: the people deserve better.

June 9, 2025 - John Pobojewski

Map of EV charging ports in rural U.S. communities.

The EV “Charging Divide” Plaguing Rural America

With “the deck stacked” against rural areas, will the great electric American road trip ever be a reality?

June 20 - The Daily Yonder

Google street view of Bedford Avenue in Brooklyn with pedestrians crossing a crosswalk and cyclist in the bike lane.

Judge Halts Brooklyn Bike Lane Removal

Lawyers must prove the city was not acting “arbitrarily, capriciously, and illegally” in ordering the hasty removal.

June 20 - StreetsBlog NYC

Close-up of cracked and damaged two-lane roadway with double yellow stripes on a bright sunny day.

Engineers Gave America's Roads an Almost Failing Grade — Why Aren't We Fixing Them?

With over a trillion dollars spent on roads that are still falling apart, advocates propose a new “fix it first” framework.

June 19 - Transportation for America