Eric Jaffe

The Transportation Planning Rule Every City Should Reform

A longstanding convention about how to measure congestion is being challenged in transit-first San Francisco

How Americans Really React to High Gas Prices

A new analysis of gas prices in U.S. cities finds that even minor jumps in fuel costs send people to buses and rails

Can Higher Fares Save Public Transit?

Maybe — but only if car travel becomes relatively more expensive

The Limits of Congestion Pricing

It may be the best solution to city traffic, but that doesn't mean it's a perfect one

Are City Buses Making Us Sick?

In Houston, researchers link bus use with the spread of tuberculosis

How Happy Is Seattle?

The "Happiness Initiative" aims to measure well-being in cities across the country

The 10 Least Reliable Roads in the United States

A new report ranks the corridors that are most susceptible to sudden traffic jams

Improving Urban Planning in Africa

An interview with Nancy Odendaal, project coordinator of the Association of African Planning Schools

A Visual History of Manhattan's Grid

A new exhibition examines the master plan that made New York what it is today

Building a Better Bus Route, With No Defined Stops

The flexible-route bus concept would blend the regularity of traditional bus service with the range of a taxi

Crowdsourcing Your Commute

Drivers help each other through traffic with the navigation app Waze

How Manhattan Sped Up its Buses Without Rapid Transit

The city's select bus service cut down idle time by collecting tickets at stops, rather than on the bus

How Green Is High-Speed Rail?

Experts say America's bullet trains will need to carry 10 million passengers to offset the environmental impact of construction

So Are People Moving Back to the City or Not?

A new analysis shows downtown cores are gaining population, but the numbers are still up for debate

Chicago Will Let Buses Ride the Shoulder to Beat the Rush

A growing number of cities are letting buses cruise highway shoulders to improve service

Do Doctors Avoid City Smog More Than Others?

In Los Angeles, at least, the answer is no

The Politics of New York's Stalled Taxi Plan

A sweeping new proposal by Mayor Bloomberg would expand cab coverage beyond Manhattan. So why hasn't it gone anywhere?

When Mass Transit Riders Attack

Abuse of transit workers by passengers is rising in many cities - do service cuts and fare hikes play a factor?

Fighting Congestion in Minneapolis on a Tight Budget

Minneapolis confronts bad traffic with cost-effective technology and a transit-first philosophy