Data from TomTom has revealed the huge amount of time commuters in the UK's most congested cities spend stuck in traffic each year. As this chart shows, the Scottish capital has been named the worst city in the UK for this. When compared to normal conditions, the average commuter in the city needs 41 percent longer to get to their destination during 'rush hour'. This equates to an average of 172 hours per year stuck in traffic. London isn't too much better, with 38 perent longer and the top-three is rounded off by Brighton and Hove at 35 percent. At the other end of the scale, Middlesborough "only" has a figure of 20 percent, making for a total of 87 hours.