Eric Jaffe

The One Chart That Explains All Your Traffic Woes

When we build more roads, we invite more cars.

Teaching Driverless Cars to Fit Your Human Driving Style

After all, not everyone takes an off-ramp the same way.

11 Historical Maps and Charts That Explain the Birth of Amtrak

One classic memo even scores various routes on "presidential risk of blame for killing RR passenger service."

The Cracks in Chicago's Grand Plans for the Bus

Forget opponents—even supporters are debating whether the city has gone far enough in its BRT ambitions.

The Myth That Everyone Naturally Prefers Trains to Buses

When you focus on what really matters—service—much of the difference actually disappears.

The Science of Cities Applies to Ancient Mexico, Too

New research suggests the social benefits of dense urban areas might follow timeless rules.

The L.A. Dodgers Are Named After Terrified Brooklyn Pedestrians

The history of the "Trolley Dodgers" reminds us city streets once belonged to people.

The Next Generation of Complete Streets Is Unfolding in New Haven

The city's new approach puts an emphasis on fast, cheap, and lean designs.

6 Reasons New York's Latest Traffic Pricing Plan Will Succeed

The growing Move NY coalition has released its final plan—and it has signs of a winner.

A Hands-Free, Self-Cleaning Bathroom for Transit Stations

Has the "public restroom of the future" arrived in Atlanta?

Why Big Cities Promote Less Innovation Than They Once Did

When it comes to new ideas, city size may not matter as much today as it did in the past.

Say Goodbye to the Classic White Boxy U.S. Postal Truck

The postal service wants to change over its fleet by 2018.

America's Infrastructure Crisis Is Really a Maintenance Crisis

Here's what we can do about it.

A 'Humans of New York' Treatment for City Streets

Meet the "Blocks of New York."

Every City Should Have Something Like San Francisco's Mass Transit Access Map

It lets you see exactly how much of the city you can reach in a given time window.

The Incredibly Simple Fantasy Bus Route Tool Even the Pros Love

Transitmix has gone from amateur sensation to agency consideration.

An Infographic Power Ranking of California's Start-Up Cities

Two MIT social scientists have developed a better way of mapping entrepreneurial quality.

All the Ways Germany Is Less Car-Reliant Than the U.S., in 1 Chart

There are rather a lot of ways, as it turns out.

The Tragic Metro-North Crash Will Raise New Safety Questions for New York's Commuter Train

Early reports say seven were killed in the deadliest crash in the railroad's history.