World's 10 Cities with Most Traffic Congestion

Manchester, United Kingdom:
Manchester is the ninth most traffic congested city in the world. It is one of Europe's slowest-moving cities when it comes to traffic. The world's first industrialised city fares high on traffic congestion. It is also the third-most visited city in the UK by overseas visitors, after London and Edinburgh, and the most visited in England outside London.

San Francisco, USA:
Rounding off the tenth position on the list is San Francisco. It is the fourth most populous city in California and the 14th most populous city in the United States, thus a possible reason for the heavy traffic congestion. It is also one of the top tourist destinations in the world, and is the sixth most visited in the U.S. in 2011. It is noted that pedestrian traffic is a major mode of transport and in 2011, Walk Score ranked San Francisco as the second most walkable city in the United States.

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