At last, a maximum age for large tyres

Many road traffic investigation officers, Vehicle Examiners, and solicitors will be familiar with the discussions concerning a maximum legal age for use on large tyres on vehicles.  Surprisingly there has been no legal limit for any tyres but as from 1st February 2021 the maximum permitted age of front tyres on lorries and PSVs (buses,…

RAC Foundation ‘International Review of Road Collision Investigation Approaches’ report

A report in the UK’s investigation of road traffic accidents has been published recently https://www.racfoundation.org/wp-content/uploads/International_review_of-road_collision_investigation_approaches_Jeavons_Runacres_December_2020.pdf . It is an excellent review of the approaches taken by countries worldwide.  This highly-readable report was written by Saul Jeavons and Adrian Runacres of Transafe Network ltd and highlights the considerable differences and investment into deaths per 100,000 inhabitants. …

ITV’s Judge Rinder’s Crime Stories

The programme featuring the 2012 coach crash in Surrey in which the 19½ year old front nearside tyre burst was eventually transmitted as Series 5, Episode 5 (second item)    . Parts of my interview were used concerning tread separation resulting from ageing.  Keeping the focus on this accident and the resultant deaths meant that…

Tyre Ageing further news

In 2017 I was asked by Avon & Somerset Police to investigate the failure of a front offside (front right) tyre on a lorry that swerved out of control, crossed over the central barrier of the M5 motorway north of Bristol and collided with oncoming cars.  5 people in those cars died. I found that…

Speedometer research

David co-authored SAE paper 2017-01-1412 ‘Speedometers and Collision Reconstruction’.  This was presented at the SAE World Congress in Detroit in April 2017 by co-author Chris Goddard. Copies can be purchased direct from SAE.