The Investigation into the Ladbroke Grove Train Crash and Signal SN 109

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2019: On 5 October 1999, two trains collided at speed in west London, killing both drivers and 29 passengers. Barrister Greg Treverton-Jones, who survived the crash and worked on the harrowing inquiry, pieced together what went wrong Warning: this article contains graphic descriptions of injury and trauma. Help support our independent journalism at theguardian.com/longreadpod