Induced Demand
Halted Interstate Expansion Could Proceed in Houston
Local and state officials have come to an ‘historic’ agreement that could move the stalled project forward.
Op-Ed: Michigan Needs a New Transportation Strategy
One writer calls on the state to stop expanding roads and channel funding to projects that support Michigan’s sustainability goals.
Disneyland Is Too Crowded. Is More Capacity Needed?
Disneyland has a plan to create more supply to meet contemporary demand, a strategy reminiscent of contemporary debates surrounding housing and transportation.
What Is Induced Demand?
“If you build it, they will come.”
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.
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.
Report: Northern Virginia Transportation Plans Will Induce More Driving
The Northern Virginia Transportation Authority’s plans to widen and expand the region’s highways will lead to a sharp increase in vehicle miles driven, a new study shows.
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).
When Will We Believe in Induced Demand?
The well-documented concept has yet to catch on in state departments of transportation, but acknowledging it could dramatically transform U.S. transportation policy.
Report Criticizes El Paso Interstate Expansion Plan
An independent review of TxDOT's proposed expansion of I-10 through downtown El Paso highlights several flaws and a price tag close to $800 million.
Infrastructure Funding Could Lead to Higher Carbon Emissions
Billions in federal infrastructure funding slated to go to states with few strings attached could fund roadway construction and widening projects that will raise greenhouse gas emissions and worsen climate change.
Evidence for Tolls as a 'Surefire' Traffic Congestion Fix
Traffic on a Louisville freeway fell by half after a toll was implemented. Could this be the best way to reduce traffic congestion?
Austin Leaders Denounce 20-Lane Freeway Project
TxDOT is pushing ahead with plans for a massive freeway expansion project through downtown Austin despite opposition from virtually all local leaders.
New Tool Calculates Induced Demand Caused by Road Widening Projects
The calculator can help transportation advocates and agencies project how many additional miles and emissions a highway widening project would create.
Partisan Splits for Transportation Politics
Researchers found that while left-leaning respondents were more likely to favor transportation reform and sustainable modes, conservatives are not as far behind as we think.
Why Don't State DOTs Believe in Induced Demand?
Despite evidence that widening roadways is only a temporary solution to congestion, a decades-long inertia leads states to continue pushing expansion projects against local opposition.
Austin Interstate Expansion Plan Draws Opposition
A proposal to widen I-35 has drawn criticism from community members who want to see the city shift away from car-centric development.
Proposed Colorado Rule Calls for Mitigating Climate Effects of Road Projects
State and local agencies would be tasked with evaluating and offsetting the carbon emissions caused by new transportation projects.
Road Design Still Privileges Cars
Author Jeff Speck discusses the progress made since he first wrote Walkable City–and how far we still have to go to build streets that are safe for all.
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.
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 Rosemead
Rutgers University, Edward J. Bloustein School of Planning and Public Policy
One Hundred Miles
Hunter College, City University of New York (CUNY)
The Architects Foundation
University of Cincinnati Online
City of Cambridge
Montrose County
The Pocatello Development Authority
