
Moscow —
Here's a sad statistic: the average driver loses eight working days a year due to congestion, according to a new report on global traffic by GPS manufacturer TomTom.

Istanbul —
Straddling Europe and Asia, Istanbul has the second worst congestion in the world, with the average journey taking 57% longer compared to times when there's less traffic on the road.

Rio de Janeiro —
Brazil's Rio de Janeiro is the most congested city in the Americas, but officials are working hard to improve its transport system before the country hosts the 2014 FIFA World Cup.

Warsaw —
Warsaw's inclusion in the top 10 may surprise some, but car ownership in the Polish capital has roughly doubled over the past 15 years -- a reflection of the country's economic success - and road-building programs have failed to keep pace.

Palermo —
Heavy traffic is probably the last thing tourists associate with Sicily, the largest island in the Mediterranean.

Marseille —
Another Mediterranean coastal city, Marseille in southern France, is also a traffic hotspot.

Sao Paulo —
Brazil is famous for its beaches and bikinis, but locals know how the major cities can quickly become mired in traffic.

Rome —
Rome is considered by many visitors to be the most beautiful, historic city in the world.

Paris —
Paris is considered by many to be the most romantic city in the world. It's also one of the most congested.

Stockholm —
The network of waterways and bridges across Stockholm -- often referred to as the 'Venice of the North' -- contribute to the city's congestion.



