How slow is your London bus? Declining bus speeds mapped as citywide average falls below 9mph

At a glance

• Bus speeds in London have fallen below 9mph, the slowest in recent history, with operators blaming long-duration roadworks, 20mph limits, cycle lanes, road narrowing and low-traffic neighbourhoods

• Bus passenger numbers have continued to fall (22.8% below the 2014/15 peak), drivers report severe fatigue and frequent overtime, and unions say delays are fuelling abuse toward drivers

• TfL faces rising costs and is planning service cuts, including reducing buses in central/inner London, amid concerns about the impact of the part-pedestrianisation of Oxford Street on the bus network

Average bus speeds in London have fallen below 9mph for the first time in recent history - with roadworks, 20mph speed limits and cycle lanes all being blamed.