Delayed Release of TfL Road Casualty Data

MQT on 2015-06-17
Session date: 
June 17, 2015
Question By: 
Darren Johnson
City Hall Greens
Asked Of: 
The Mayor


On the first business day of January 2015, the New York City Mayor's Office released that city's comprehensive road casualty data for 2014 and how it compared to 2013.  It is now June 2015, and we are still waiting for TfL to release London's 2014 annual road casualty data.  If TfL really considered road safety a priority, shouldn't it be capable of releasing this data for public consumption in real time?  


Answer for Delayed Release of TfL Road Casualty Data

Answer for Delayed Release of TfL Road Casualty Data

Answered By: 
The Mayor

The 2014 road safety figures for London were published on 9 June 2015, alongside detailed open data files, ahead of the DfT's publication of national statistics (

The figures for 2014 show that the number of people killed or seriously injured (KSI) on London's roads has been reduced to its lowest level since records began, meaning that my previous target of a 40% reduction in casualties has been achieved six years early. In light of this I have stretched this target to deliver a 50% reduction in KSI casualties on London's roads by 2020. This target is set against the government baseline which takes an average casualty rate from the period 2005-2009.

In addition to the annual Casualties in Greater London Fact Sheet, TfL publishes provisional data quarterly throughout the year to provide regular updates on collisions and casualties in London. New York City's 2014 road safety figures, published online by the New York City Mayor's Office, were also provisional and flagged with the warning "please note that this data is preliminary and may contain errors.  Any person who relies upon this data does so at their own risk."

TfL is working with the City and Metropolitan Police Services to deliver the Department for Transport (DfT) Collision Reporting and Sharing system. This new system includes direct linkage to mobile devices by the police, to allow the collection of road safety data with a high degree of accuracy, efficiency and improved timeliness.

TfL is continually striving to find new ways to improve how road casualty data is collected, interpreted and reported in order to further reduce levels of danger on London's roads. A number of activities are underway to achieve this and an update will be provided later this year.