Notification and Investigation of Major Incidents (NIMI) by Incident Type (1)

Questions to the Mayor of London – answered on 13th September 2019.

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Photo of Caroline Pidgeon Caroline Pidgeon Liberal Democrat

Please show the total number of Notification and Investigation of Major Incidents (NIMI) of the London Bus Network submitted by bus operators in 2018 broken down by incident type (i.e., fatality, major injury) and cause of incident (“collision” “fall” etc.)

Photo of Sadiq Khan Sadiq Khan Mayor of London

Of the 144 Notification and Investigation of Major Incidents (NIMIs) that were reported by bus operators to Transport for London in 2018, 19 were fatal and 125 were major. Of the 19 fatalities, five of these have been confirmed as being due to a medical episode, rather than as a result of the operation of the bus, and four are believed to have been medical but are under further investigation.

The main cause of NIMIs in 2018 was due to collisions with pedestrians, which caused 36 NIMIs. The breakdown for this information can be found in the attached information associated with this question.

The NIMI procedure is a systematic approach to identifying and sharing lessons from the most serious incidents on the bus network. Bus operators also have their own procedures for investigating incidents which do not fall under the NIMI process, and these are reviewed by TfL as part of the Bus Assurance Programme whereby TfL visits every bus operator quarterly to review their safety management systems. TfL also monitors all reported collisions, injuries and deaths on the bus network, and publishes a wide range of safety data on its website.