New research has revealed that Sheffield showed the biggest increase in congestion across the UK, with delays in the city now amounting to over 3 days lost per year.
The figures compiled from TomTom's traffic data have put Sheffield at number 8 in a list of the UK's most congested cities.
But Leeds and Bradford had the largest decrease in time spent in traffic jams.
Here is a list of the top ten most congested cities:
5) Brighton & Hove