Navigation system specialist TomTom has compiled a list with Europe’s 50 most congested cities in 2011 based on its real travel time database, which includes more than 800 billion speed measurements sent anonymously by more than 30 million users of firm’s software.

Brussels lead the table, with the capital of Belgium showing a 1.2% increase in traffic compared to 2010. Britain is Europe’s most congested country: London, despite a 0.2% decrease in traffic, has climbed up to third place, while both Manchester and Edinburgh are in the top 10. A total of 16 UK cities are included in the top 50.

Germany has six cities in the overall list, while the countries with the less congestion, according to TomTom’s figures, are Norway, Switzerland, Spain, Ireland and the Czech Republic. Ireland has made the most progress, with its capital, Dublin, reducing its traffic by no less than 9.7% compared to 2010.

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