World's worst cities for rush hour traffic

Istanbul, with its bridges connecting Asia and Europe, has the worst traffic at peak evening hours, and overall, in the world.

Commuters there spend a whopping 125 hours stuck in traffic every year -- a number based on two 30-minute commutes per working day.

GPS manufacturer TomTom says a journey that would normally take 30 minutes in free-flowing traffic takes more than an hour during evening peak times.

(CNN)