Traffic

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The Case Against One-Way Streets

One civil engineer believes trip capacity will increase if cities turn to two-way streets.

ATTAP

Could These Crazy Intersections Make Us Safer?

Dispatches from the imagination of transportation engineers.

Amsterdam.nl

Watch These Traffic Lights Slowly Take Over a City

Amsterdam never stood a chance.

SunRail

4 Great Transportation Projects to Watch (and 4 Awful Ones)

Highlights from the Sierra Club's list of the country's 50 best and worst.

Flickr/Wonderlane

More Cars on the Road Make You Late, But Some Cars Make You Much Later Than Others

A new study suggests that traffic reduction should be targeted at particular communities.

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A Possible Link Between Traffic Pollution and Autism

Researchers in California have found a compelling association.

TrafficCOM

This DIY Traffic Counter Could Change Everything About Transportation Planning

A $139 device that community groups, neighborhood associations, and advocacy organizations can use to gather data on their own.

Mark Bergen

A Wild Ride Down India's First Bike Lane

In Bangalore, the infrastructure is there. Teaching cyclists (and drivers) how to use it is another matter entirely.

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Should the Market Alone Determine Parking Supply?

New research finds that parking minimums are indeed bad, but that parking maximums still need fine-tuning.

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Compelling Evidence That Red-Light Cameras Do Make Roads Safer

In this ongoing debate, a new study finds that as red-light cameras go dark, red light running goes up — immediately.

Reuters

Once Again, Carmageddon II Was Practically a Non-Issue

Closing 10 miles of Los Angeles's busiest freeway for a second time was as uneventful as officials hoped.

Bart Everett/Shutterstock

Finding of the Day: 8% of L.A. Childhood Asthma Cases Due to Freeway Proximity

Kids who live near busy roads are more likely to develop asthma.

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The Case for Keeping Seattle's Streets Messy

Let's stop talking about how to "fix the grid" and recognize what we have.

Reuters

Road Noise: Deadly? Maybe. Annoying? Definitely.

A large share of urban dwellers live in areas where road noise is highly irritating.

Reuters

India's Cities Risk Repeating America's Congestion Mistakes

Proposed expansions of dozens of major arteries in Bangalore are threatening the Indian city's way of life.

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The Key to Reducing Congestion Could Just Be Less Selfish Driving

Most of us know better than to read and drive, but we’ve all been guilty of bad behavior at one point or another.

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The Case for Eliminating Disabled Parking Placards

They invite fraud, drain city revenue, and often fail to help those who need it most — new research proposes an alternative.

Reuters

Syncing Traffic Lights Isn't the Fix Everyone Says It Is

Sure it makes travel easier. But that leads to more drivers on the road.

Google

Google's Growing Web of Street Traffic Surveillance

The phone in your pocket could be monitoring traffic.