Eric Jaffe

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.

In New York, Toward a Harmony of Police and Cyclists

A bicycling advocate says both riders and cops must work to improve their relationship.

Shooting at Empire State Building: What Will Happen If Injured Bystanders Sue the NYPD?

A recent ruling suggests the courts would support the officers' actions at the Empire State Building, should a lawsuit arise.

Is a VMT Tax a Good Idea?

San Francisco is the latest city to consider a vehicle-miles traveled fee system.

What Big Cities Lose When They Lose Their Small Businesses

An East Village food shop owner discusses the post-recession difficulties facing Mom-and-Pops.

3 Next-Gen Apps for the Stressed-Out Urbanite

Too busy to worry about little things like "health" or "pedestrian safety"? Your smartphone is on it.

A Problematic Map of Stop-and-Frisk

Its flaws cloud rather than clarify the recent debate over NYPD tactics.

A Brief History of Air-Conditioning on the New York Subway

The city has tried to provide a cool summer ride since 1905, with varying degrees of success.

What Makes Some Train Station Waits Better Than Others?

"Queueing theory" says we hate the injustice of waiting on chaotic lines.

Micro-Subletting Is Thriving in New York — But Is It Legal?

Users of sites like Airbnb are snubbing a recent law that forbids short-term apartment rentals.

How Not to Make Friends on the Greyhound Bus

A Yale researcher spends two years riding around, documenting the rules of "social disengagement."

Why Cyclists Run Red Lights

Mostly to turn or because the signal doesn't recognize them, according to the latest research.

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.

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.

The Coolest New Maps of London

From an infographic of Olympic venues to street-by-street damage inflicted by the Blitz.

An Intriguing But Flawed Attack on Smart Growth

A new study claims to "contradict" the premise that density discourages driving — but does it?

8 Truly Embarrassing City Souvenirs

From a Lady Liberty comb to 'I Heart London' nail clippers.

Seeing the Train as a 'Mobile Office'

Transport modes should be evaluated on their "productive time," not just travel time.

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.