Traffic
Congestion Costing Reality Check, Part 2: A congestion costing critique
There are good reasons to be skeptical of highway industry claims that traffic congestion is a growing problem. Their analysis is often incomplete and biased. Let’s pull back the curtain on some major congestion cost studies.
Induced demand is real: Commutes on Houston's 26-lane freeway take 51% longer after expansion
A massive freeway expansion only led to longer drive times, showing that building more lanes won't solve congestion.
Study: NYC congestion pricing didn't impact parking demand
A city report shows that free parking, not congestion pricing, is the main driver of limited parking demand in the city.
Congestion Costing Reality Check, Part 1: Congestion evaluation best practices
Widely cited studies claim that traffic congestion is a huge and growing problem. They exaggerate. Let’s examine how to correctly calculate congestion costs and roadway expansion benefits.
Singapore adopts in-vehicle GPS tech to manage road tolls
The city's latest update to its congestion pricing system could open the door to distance-based tolling.
America's 'roundabout city' is in … Indiana?
Carmel, Indiana has built over 150 roundabouts as part of a broader mobility and development strategy.
MIT study confirms robotaxis don't reduce traffic
Waymo data reveals that the cars spend close to half of their time 'deadheading' — driving around with no passengers.
Judge saves DC bike lanes
A federal judge ordered the Federal Highway Administration to stop a planned removal of bike lanes, saying the government provided no evidence that they would have a negative impact on traffic or safety.
First responders use electric motorcycles to split lanes in LA traffic
The bike fleet will help LAFD firefighters reach emergency situations faster.
Miami Considers Airport-to-Port Train to Ease Cruise Ship Traffic
Miami’s port is one of the world’s busiest cruise ship terminals.
Study: Self-driving Cars Could Raise VMT by 6%, Increasing Congestion
The study contradicts early predictions that AVs would reduce driving miles.
US Traffic Deaths Fell by 12% in One Year. How Did it Happen?
Biden-era investment in safe streets, shifts in travel patterns brought on by the pandemic, and increased traffic enforcement are all possible reasons why traffic deaths dropped significantly between 2024 and 2025.
Judge Rules to Keep NYC Congestion Pricing, Ending Trump's Legal Challenge
The decision likely deals a fatal blow to efforts to end the program, but the Trump administration says it will explore other avenues for reversing the congestion pricing scheme.
Why “Full Buses are a Car Commuter’s Dream”
Even a 5-10% drop in cars on the road can dramatically ease congestion, making healthy transit systems a win-win for transit users and drivers alike.
Study: Bus Lanes Boost Speeds for Both Buses and Cars
Dedicated transit and bike lanes can speed up traffic for everyone on busy roads.
LA Metro Board Approves New Subway for One of Nation’s Busiest Freeway Corridors
The new subway could cut the hour-long trip between west Los Angeles and the San Fernando Valley to 20 minutes.
US Traffic Patterns are Shifting, but Car-centric Development Persists
Los Angeles, Honolulu, and San Francisco ranked among the nation’s most congested cities, while New York reduced traffic and increased transit speed and ridership thanks to its congestion pricing program.
NYC Congestion Pricing Cut Air Pollution by 22% in 6 Months
The program reduced vehicle entries into the toll zone by 11 percent.
Since NYC Congestion Pricing, Chicago now has Nation’s Worst Traffic
Chicago overtook New York for the worst traffic of any major U.S. city as NYC saw traffic decline after congestion pricing went into effect.
Report: Caltrans Models, Which Guide Billions in Transportation Funding, are Inaccurate and Outdated
Many of the predictive models used by California’s transportation agency fail to account for post-pandemic travel patterns and induced demand.
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.
City of Thousand Oaks
City of Wisconsin Rapids
Harvard University Graduate School of Design
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello
