Traffic Safety
Denver Freeway Widening Plans on Hold
The Colorado Department of Transportation’s plan to widen the Interstate 25 freeway through Denver is one of a few plans to widen urban freeways under consideration in the United States.
Traffic Fatalities Set Records as Pandemic-Era Road Carnage Shows No Signs of Stopping
An estimated 42,915 people died in automobile crashes in 2021, according to recent federal data. The increasing fatalities continue a trend that began with the outset of the pandemic.
Planning for Congestion Relief
The third and final installment of Planetizen's examination of the role of the planning profession in both perpetuating and solving traffic congestion.
Ohio Pledges $51 Million for Traffic Safety
The state’s department of transportation will invest in a variety of traffic safety projects as traffic fatalities reach their highest level in decades.
Acceptable Deaths
What can we learn from our Covid response?
Leading Pedestrian Intervals an Effective, Low-Cost, Pedestrian Safety Solution
Bellevue, Washington is acting on the data and giving pedestrians head starts at busy intersections around in the city’s downtown.
Bicycle Friendly States: Massachusetts Tops the List
For the first time since the League of American Bicyclists started ranking states for bicycle friendly practices and policies in 2008, Washington State does not appear at the top of the list.
Opinion: U.S. Must Prioritize Safety for Non-Drivers
The rise in cyclist and pedestrian deaths in the United States points to preventable failures in road design and regulations.
How A.I. Can Promote Vision Zero
Forget self-driving cars—some low-cost artificial intelligence tools can improve traffic safety now.
Tennessee Highway Safety Agency Launches Anti-Speeding Initiative
The state’s Highway Safety Office will boost enforcement and public awareness in an effort to reduce traffic deaths from speed-related crashes.
How Planning Fails to Solve Congestion
Solutions for congestion are never as simple and easy as armchair planners and engineers would like you to believe—especially those who suggest that congestion can be solved by forever building more roadway capacity.
States Have the Power To Regulate Autonomous Vehicles—But Most Don’t
States tend to default to national standards for regulating AVs, but federal officials have been slow to implement rules directed specifically at autonomous vehicles.
‘Idaho Stop’ Now Legal in Colorado
Colorado is the latest state to make it legal for people on bikes to treat stop signs like yield signs when no cars are in the intersection.
Planning and the Complicated Causes and Effects of Congestion
What do planners know about congestion, and what can they do about it? Explanations and solutions are less obvious than they seem (part one of a three-part series).
Vision Zero Is Largely a Failure in the United States. Why?
From NIMBYism to entrenched traffic engineering culture, a variety of complex obstacles have prevented Vision Zero advocates from achieving the movement’s goals in the U.S.
Protected Bike Lanes Deliver Numerous Benefits, Study Says. But Is it Enough to Change State Law?
Advocates in Philadelphia are pushing state lawmakers to finally pass a law to make it easier to install protected bike lanes on state routes.
Study: Distracted Driving Contributing to Dangerous Roads
Many drivers report feeling pressured to respond to work-related calls or texts while driving, leading to more distracted driving and riskier road conditions.
The Trouble With Slip Lanes
Right-turn lanes can make traffic flow more smoothly, but make roadway conditions more dangerous for pedestrians and other road users on non-motorized vehicles.
Report: U.S. Pedestrians Keep Dying at Higher Rates
Pedestrian deaths rose again in the first half of 2021, according to research from the Governors Highway Safety Administration.
Cincinnati To Consider $1 Million Traffic Calming Program
A proposal before Cincinnati's city council would boost traffic calming initiatives and use innovative technology to slow traffic on some of the city's most dangerous streets.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Smith Gee Studio
City of Charlotte
City of Camden Redevelopment Agency
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
City of Camden Redevelopment Agency
Municipality of Princeton (NJ)
