Induced Demand
$4 Billion Later, the New Tappan Bridge More Crowded Than Ever
Traffic data shows more and more cars and trucks using the new Tappan Zee Bridge in 2019, in what looks like an obvious case of induced demand.
Are Traffic Apps More a Problem Than a Solution?
The companies behind navigation apps say they want to decrease congestion in cities. But a tool that is essentially designed to help individuals isn’t going to provide a collective benefit.
Study Finds a Way to Duplicate the Effect of Self-Driving Cars: Chauffeurs
A small group of test subjects, enabled with the use of a chauffeur, increased driving distances by a collective 83 percent.
Speck: Don't Widen I-45 in Houston
Jeff Speck, planning consultant and author of Walkable City, writes an opinion piece for the Houston Chronicle to oppose the plan to widen the I-45 freeway in Houston.
Doubt Cast on Induced Demand for Housing
Applied to roads, the theory of induced demand says new construction only brings out more users. But can something similar be said of housing? According to this research, the likely answer is no.
Five Years After $1 Billion Freeway Expansion, Traffic Only Gets Worse
The lesson of the I-405 widening project that birthed meme-worthy events like "Carmageddon": widening a freeway won't reduce congestion for long, if ever.
Induced Demand, Explained
CityLab University tackles a widely misunderstood concept: induced demand.
Highway Expansion Proposal Stirs Debate in Toronto
A pro-business group in Toronto wants to expand a highway, but a Toronto columnist wants to make readers aware of why the plan might not work out as hoped.
Report Calls I-270 Expansion an Expensive Mistake
U.S. PIRG's list of 'Highway Boondoggles' puts Maryland's $9 billion I-270 expansion among the worst projects in the country.
Nine Highway Expansions Identified as Worst Boondoggles of 2018
In a new report, U.S. PIRG and the Frontier Group describe nine costly highway projects amounting to $30 billion in their fourth annual "Highway Boondoggles" report. All share the theme of induced travel demand.
Shouting Down Road Diets
In car-dependent communities, road diets and bike lanes can be a tough sell.
Op-Ed: 'Public Mood' Has Turned Against Cars in Cities
A survey of recent planning decisions demonstrates that cities are no longer necessarily looking to more and bigger highways to solve their traffic problems.
Autonomous Vehicles Present Opportunities to Change Cities
How we pay for our roads will play a big role in what happens to cities when autonomous vehicles become common place in cities.
A Traffic Solution 'Straight Out of the 1950s'
That's how the Los Angeles Times editorial board characterized the $6 billion plan by Los Angeles Metro to widen the 710 freeway. "A waste of money," they assert. Key to the solution is how to deal with goods movement from the seaport complex.
Telecommuting Trend Not Decreasing Traffic
Commuting statistics have held consistent, according to Census data, even as the number of people working from home continues to climb.
Maryland's $9 Billion Project Would Be the Nation's Largest P3 for Highways
Gov. Larry Hogan (R-Md.) announced last week plans for the largest highway contract awarded to a public-private partnership: adding four express toll lanes to the Capital Beltway and I-270. A third highway widening will be completed internally.
Ann Arbor's Futuristic Traffic Software
The networked sensors and signals in Ann Arbor give the city a coordinated way to respond to traffic.
Benefits Harder to Recognize as Costs to Widen the I-405 Rise
Was the I-405 widening project worth it for Los Angeles? Depends on whom you ask.
Against Seattle's Waterfront Highway
Seattle is set to build a nine-lane tunnel on its waterfront, the Urbanist's Ryan Packer is disappointed with its design and the project's stated goals.
London Bridges Going Up
London Mayor, Sidiq Kahn, authorizes two new bridges and a tunnel in eastern part of the city.
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.
City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research
