Eric Jaffe
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Urban Wonk
Why Cyclists Run Red Lights
Mostly to turn or because the signal doesn't recognize them, according to the latest research.
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How Urban Parks Enhance Your Brain, Part 2
The less city you can see through the trees, the better for your brain, new research suggests.
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Can Light Rail Carry a City's Transit System?
It can if it's built right, as in Portland or San Diego, and new research explains why.
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Maps
The Coolest New Maps of London
From an infographic of Olympic venues to street-by-street damage inflicted by the Blitz.
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An Intriguing But Flawed Attack on Smart Growth
A new study claims to "contradict" the premise that density discourages driving — but does it?
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Photos
8 Truly Embarrassing City Souvenirs
From a Lady Liberty comb to 'I Heart London' nail clippers.
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Seeing the Train as a 'Mobile Office'
Transport modes should be evaluated on their "productive time," not just travel time.
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The Hidden Factor in Bike Commuting: Showers
People are much more likely to ride to work if they have a place to clean up once they get there.
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Photos
New York's Lovely Abandoned Subway Station
Photographs of the phantom City Hall station capture transit charm of yore.
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How Urban Parks Enhance Your Brain
A break from the bustle of the city can do your mind good, recent research shows.

