Traffic

Auto Use Holds Steady in San Francisco
Even as innovations like ridesharing take hold in tech-friendly San Francisco, the percentage of trips taken by personal auto is stuck at just under 50 percent.

Mapping U.S. Highway Intensity
A new map from Mapbox visualizes traffic on all roads eligible for highway safety funds by combining data available through the Highway Performance Monitoring System on OpenStreetMap.
Private Cellphone Data and the Next Frontier of Urban Planning
A survey of the quickly broadening reach of data about the movement of traffic reveals the next step necessary to achieve congestion nirvana: unfettered access to private cell phone data.
Traffic 'Crisis' in the Birthplace of Jesus
If Jesus and Mary came to Bethlehem in 2014, they'd be frustrated by high levels of congestion before finding a place to settle down for the night.
Significant Jump in California Driving
Mirroring a previously reported increase in gasoline consumption in California, the vehicle miles traveled increase over last year is the largest in a decade. The reasons are the same: cheaper gas and an improved economy with more people working.

Secrets of Congestion-Busting Cities
Only nine regions experienced reduced traffic congestion between 1991 and 2011. What do they have in common?
The Impact of Metro Freight Trade on Congestion
Although the holidays cause millions more drivers to hit the road, delays in traffic may also stem from the congestion of goods movements by truck, both locally and across the country.

When Nuisance Suits Are a Nuisance
In one Texas case, homeowners are suing a new apartment building for nuisance. If such suits become common, infill development will become less common, causing higher rents and more citywide vehicle traffic.

Friday Funny: The 10 Best Simpsons Commuting Jokes
The FXX cable network is amidst a massive marathon of all 552 episodes of the Simpsons. Joseph Rose, took a break from cartoon bliss to produce ten of his favorite scenes building jokes out of transportation experiences.

Transit-Oriented Cities and Safety: Another Look
Transit-oriented cities are safer than car-dependent cities of comparable size, especially if one considers traffic fatalities in car-dependent cities.

The Case Against Clogging the Left Lane
June is "Lane Courtesy Month," and Vox used the occasion to describe the sometimes counter-intuitive reasons why drivers should refrain from driving in the left lane except when passing.
Development Fails the Public Opinion Polls
A recent article for PlannersWeb called “10 Things You Should Know About How the Public Feels About Development” provides helpful data and insight into the type of opposition encountered whenever new development projects face public scrutiny.
Georgia Cracking Down on Fast-Lane 'Slow-Pokes'
A new bill approved by the state of Georgia's House of Representatives makes it illegal to remain in the fast lane when a faster vehicle approaches from behind.
Making the Case for Speeding
Not everyone likes the idea of slowing down, but sometimes advocacy for increased speed limits can come from surprising sources, like the editorial director of a UK journal for architects.
Self-Driving Cars Will Rule the Road by 2050
A new study by IHS Automotive predicts that 54 million self-driving cars will be on the road by 2035, and that every car will be autonomous by 2050.
Explaining Traffic Waves - the Likely Cause for Your Congested Commute
For many drivers, the only experience more aggravating than being stuck in traffic is not being able to figure out why there's a jam in the first place. An explanation of the phenomenon called "Traffic Waves" may help ease the aggravation.
Buttons of Death
"Push buttons" designed to protect pedestrians often don't.

What Causes Traffic?
You're probably thinking "Way too many cars on the road, duh!" But the real answer is a bit more complicated, and counterintuitive. Tom Vanderbilt explains in a 20-minute presentation.
Bike and Pedestrian Improvements Boost Vehicle Speeds in NYC
New data from New York's Transportation Department shows that although miles of Manhattan street space have been turned over to bikes and pedestrians since 2008, average traffic speeds have actually increased, despite a consistent volume of vehicles.
Play Dismay: Traffic and the Epidemic of Cloistered Children
Sarah Goodyear examines the connection between the way we design our streets and the reluctance of parents to let their children play outdoors.
Pagination
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.
Heyer Gruel & Associates PA
Ada County Highway District
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Harvard GSD Executive Education
Toledo-Lucas County Plan Commissions
Salt Lake City
NYU Wagner Graduate School of Public Service