Induced Demand
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.
Watch: How Induced Demand Explains the Vicious Cycle of Congestion
A new Vox video tackles the controversial and counterintuitive concept of induced demand.
Parking Induces Driving, Study Says
New research published in the Urban Studies journal does the difficult work of connecting the dots between parking and driving.
Ride-Hailing Industry Induces Car Ownership, Research Says
New research from researchers at Carnegie Mellon University finds that instead of setting people free from cars, more people are buying and using cars than ever before.
Failing to Account for Induced Traffic, Even When the Public Demands It
Induced traffic occurs when new highway capacity speeds up traffic, allowing travelers to drive further, increasing sprawl. A review of major highway project plans finds that most fail to accurately account for induced travel effects.
Norwalk Redevelopment Agency
City of Cotati
City of Austin Transportation Department
Symbium
Rowan University's Department of Geography, Planning, & Sustainability
HUD's Office of Policy Development and Research
Hillsborough County Public Schools
City of Raleigh
City of Laramie, Wyoming and Albany County Wyoming
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.
Hand Drawing Master Plans
This course aims to provide an introduction into Urban Design Sketching focused on how to hand draw master plans using a mix of colored markers.
