Traffic Management

View of rush hour traffic on Brooklyn Bridge at golden hour.

The Promise of Congestion Pricing

New York's long-awaited congestion pricing program could break open the controversial practice in the United States.

November 20, 2023 - Bloomberg CityLab

Historic streetcar in middle of street in downtown New Orleans, Louisiana with palm trees and historic lampposts lining the street.

New Orleans Uses AI To Improve Traffic Safety

A new platform uses technology to improve traffic flow and reduce the risk of collisions with streetcars.

September 20, 2023 - Biz New Orleans

Aerial view of traffic in New York City entering Queens Midtown tunnel

Sadik-Khan: NYC Congestion Pricing Program Potentially ‘Transformative’—If Done Right

The former transportation commissioner says the city must ensure the program isn’t “all stick and no carrot to succeed.

September 18, 2023 - Curbed

AI-generated aerial view of freeway interchange with digital lines overlaid to indicate AI traffic management

Leveraging Holistic Platforms For Urban Mobility Solutions

How a ‘control tower’ approach can improve mobility and reduce congestion and emissions.

September 10, 2023 - Timothy Menard

View of large HOLLAND TUNNEL sign tollbooths with blurred red taillights in foreground

Report Proposes $15 Peak Hour, $3 Off-Peak Toll for New York Congestion Pricing Plan

As New York City’s congestion pricing program gets closer to implementation, a proposed pricing scheme would charge $15 at peak traffic hours.

July 18, 2023 - StreetsBlog NYC

New York City street with some traffic with red brick buildings on either side

Another Step Forward for NYC Congestion Pricing

A federal Finding of No Significant Impact moves the program closer to implementation, which could happen as early as May 2024.

June 30, 2023 - Mass Transit

Blue and white Interstate 15 North sign against backdrop of blue sky and snow-capped mountains in Utah

Utah DOT Plans to Expand Interstate Despite Local Concerns

With more evidence pointing to the futility of expanding freeways, the state could take a creative approach to improving travel times and providing additional transportation options.

May 31, 2023 - The Salt Lake Tribune

Traffic on the 405 interstate freeway through the Sepulveda Pass at Getty Center Drive in Los Angeles, California

Congestion Pricing Could Be Coming to L.A.

The infamously car-centric city is weighing a proposed congestion pricing pilot program to reduce traffic and encourage public transit use.

May 30, 2023 - Los Angeles Times

Traffic in Manhattan New York

NYC Congestion Pricing Plan Gains Federal Approval

The program would be the first cordon pricing scheme in the United States.

May 10, 2023 - Route Fifty

View of street in Chattanooga, Tennessee with vintage buildings

Chattanooga Expands ‘Smart Intersection’ Network

The city is building on a smaller test project that uses sensors to gather data about traffic movement to help transportation planners make more informed traffic management decisions.

January 9, 2023 - Smart Cities Dive

Emergency Response

Sirens May Do 'More Harm Than Good,' Research Shows

The ear-piercing sirens used by emergency vehicles are shown to have little impact on patient outcomes while contributing to more dangerous road conditions, experts say.

October 21, 2021 - The New York Times

Northern California Toll Lane

What Is Congestion Pricing?

Congestion pricing raises the cost of driving on certain roadways at certain times, reducing traffic,encouraging alternate transportation modes, and generating revenue from the use of infrastructure.

September 13, 2021 - Diana Ionescu

Deliveries Truck

Cities Must Act to Curb Delivery Van Congestion

With more and more products available for doorstep delivery, Janette Sadik-Khan argues that policymakers have to proactively face the imminent "delivery deadlock" and take control of curb management.

June 20, 2021 - Bloomberg CityLab

Car Culture

If You Build It, Cars Will Come: the Common-Sense Logic of 'Induced Demand'

Highway expansion has been shown, time and again, to increase traffic and congestion. Cities are finally getting the message.

May 14, 2021 - Governing

City of Las Vegas

New Traffic Management Tech Coming to Downtown Las Vegas

The city of Las Vegas is experimenting with a new traffic management partnership that will add traffic cameras and sensors to the streets in its innovation district.

December 23, 2018 - Smart Cities Dive

New York Bus

Report: Congestion Pricing Could Speed Bus Trips

Advocates say New York's plan traffic management plan could raise $1.5 billion while saving express bus commuters hours per week.

November 8, 2018 - Streetsblog New York City

Traffic Lights

Maryland Adopts Smart Signals to Keep Traffic Flowing

The new signals will respond to congestion in real time throughout the day.

October 30, 2017 - The Washington Post

Critiquing Louisville's New Ohio River Bridge Tolls

Many in the urbanism community were shocked to see the scale of the recently completed "Spaghetti Junction" in Louisville, but the tolling system that will fund the project is just as critical to consider.

December 30, 2016 - City Observatory

Lombard Street San Francisco

Crowds of Pedestrians Prompt Lombard Street Study

San Francisco is looking for ways to manage—and protect—the masses of tourists who want to walk "the World's Crookedest Street."

September 22, 2016 - SF Gate

Roundabouts: A Tool for Placemaking

Designed properly, roundabouts enhance placemaking and the pedestrian experience.

May 7, 2014 - Better! Cities & Towns

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.