article_snippet: a survey says gridlock in major cities has ‘worsened considerably’ over the past 12 months.
article_snippet: Poll found that last year, 14 of the UK’s 17 biggest cities had worse congestion than 14 of the UK’s 17 biggest cities did in 2013.
article_snippet: Belfast has the worst jams, with the average journey lasting 39 per cent longer than it would if the roads were clear.
article_snippet: London was the next-worst city for hold-ups with average journeys taking 37per cent longer than in free-flowing traffic and 67per cent in the evening peak.
article_snippet: Other cities where gridlock has got worse include  Nottingham, Leicester, Birmingham, Newcastle, Glasgow and Southampton.
article_snippet: Bristol the only destination where jams had eased slightly in 2014 compared to 2013.
article_snippet: Figures for Sheffield and for Leeds/Bradford ‘failed to improve’ and were about the same over the period.
article_snippet: Worldwide, Mexico City was Istanbul, with average journeys taking 58per cent longer than in free-flowing conditions, rising to as high as 109per cent in the evening peak.
article_snippet: At 55 per cent, Mexico City was the second-worst world city, followed by Rio de Janeiro which was 51 per cent.
highlights_snippet: ’s 17 biggest cities had worse congestion than 17 biggest cities did in 2013 .
  