Congestion
Bike Lanes Don't Cause Congestion
Research from Europe shows bike infrastructure doesn't add to urban traffic and can shift mode share from cars to bikes and reduce the need for solo car trips.
Opinion: Los Angeles Must Prioritize Bikes and Buses
L.A. has a plan for improving mobility. Why are city leaders ignoring it?
What Are Transportation Network Companies?
Transportation Network Companies (TNCs), provide on-demand transportation services through app-based platforms to create a new level of convenience for riders—and a host of challenges for policymakers and regulators.
California, Nevada Agree on Makeshift I-15 Widening Near Las Vegas
A $12 million repaving and restriping project is intended to alleviate congestion at the state line between California and Nevada, just outside of Las Vegas.
Study: More Bike Infrastructure Could Prevent 15,000 Deaths Annually
In addition to reducing air pollution and congestion, improving bike infrastructure could save thousands of lives each year, according to new research.
To Fight Climate Change, Support Public Transit
Electric cars may garner a lot of attention these days, but significantly reducing carbon emissions and urban congestion means investing in high-quality mass transit.
Can Better Transit Get Austinites Out of Cars?
The city's ambitious transit plan will bring light rail and bus connections to more areas of the city.
Cargo Bike Pilot Reduces Emissions by 30%
The program deployed electric cargo bikes in a small Seattle neighborhood to test the effectiveness of replacing delivery trucks with lighter vehicles in the last mile of delivery.
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.
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.
What Is Congestion Pricing?
Congestion pricing raises the cost of driving on certain roadways at certain times, reducing traffic,encouraging alternate transportation modes, and generating revenue from the use of infrastructure.
How to End the Commute Nightmare
The pandemic let many people experience a commute-free lifestyle, but can we reduce rush-hour traffic as we make our return to physical workplaces?
Post-Pandemic Traffic: Easier Morning Commutes, Heading for Afternoon 'Peak Spreading'
The Boston Globe recently published an analysis of Boston-area traffic through the pandemic, finding that congestion is finally recovering to pre-pandemic levels, but in new patterns.
A Critical Evaluation of the Urban Mobility Report
The Urban Mobility Report (UMR) evaluates traffic congestion problems and recommends congestion reduction solutions. How well does it reflect travelers' priorities?
Cities Must Act to Curb Delivery Van Congestion
With more and more products available for doorstep delivery, Janette Sadik-Khan argues that policymakers have to proactively face the imminent "delivery deadlock" and take control of curb management.
Reducing Car Trips in L.A.: Transportation Demand Management Ordinance Could Be Expanded
The proposed expansion would affect smaller multi-family developments and include incentives for reducing travel during peak hours and encouraging transit, walking, and biking.
What Are Le Corbusier's Towers in the Park?
Part of a movement that sought to modernize cities through a rational reorganization of the urban form, "Towers in the Park" is a style of housing development that emphasizes a separation of uses and access to communal green space and amenities.
I-5 Widening Kicks Off in Downtown Seattle
Congestion relief is promised as the Washington Department of Transportation begins to rework the existing I-5 roadway in Downtown Seattle to mitigate a stretch of freeway with a reputation as the state's worst bottleneck.
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.
Florida Highway Project Faces Opposition From All Sides
Critics worry the proposed 330-mile corridor would encourage sprawl, harm wildlife, and saddle the state with decades of debt.
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
