Mumbai police have launched an anti-honking campaign to reduce noise pollution in the city.

Mumbai Police Fighting Noise Pollution With Enforced Patience

Caitlin Dempsey

In an effort to lower noise levels, the Mumbai Police have set up noise meters at select traffic signals around the city called "Punishing Signals".

Will Self-Driving Cars Make Traffic Worse?

Caitlin Dempsey

The World Economic Forum and Boston Consulting Group studied the possible effects of autonomous vehicles on Boston's future traffic.

Waze: Crowdsourcing traffic and roads

Caitlin Dempsey

Waze has a free social mobile application that uses real-time input from local drivers to update traffic conditions for other ...