Annual TomTom Traffic Index: Major Traffic Trends Shaping Cities Globally in 2023

For the second year in a row, London was the slowest city to drive in 2023. The capital of England has the lowest base speed due to the static factors, such as the absence of any fast road, and speed limits changed to 20mph on most roads over the past years - so, even in optimal traffic conditions, the average speed in London is slower than any other city in the world.

Average time lost due to congestion in 2023

This ranking only reflects the impact of dynamic factors that increase base speed under free-flow conditions.

Ranking: The five most congested cities
Average time lost due to traffic for a 6-mile trip in 2023, in minutes/seconds.

City center
(3mi radius)
2023 vs 2022  Metro. Area (wider area) 2023 vs 2022
London12 min. 5 s.+32 s. Manila9 min. 03 s.+40 s.
Mexico-city11 min. 40 s.+1 min. 1 s. Bogota8 min. 58 s.-44 s.
Lima11 min. 39 s.+1 min. 3 s. Bengaluru8 min. 50 s.-32 s.
Bengaluru11 min. 30 s.-+47 s. Lima8 min. 14 s.+22 s.
Dublin11 min. 20 s.+31 s. Mumbai 7 min. 38 s. -11 s.

London's road infrastructure is not the only reason why travel times are slower than in any other city in the world: London is also the city in which motorists have lost the most time due to traffic congestion. A 6-mile journey in 2023 is 12 minutes and 5 seconds longer on average than the optimum journey time (i.e. with no traffic at all).

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