The Wharf Stores Road Derby DE21 4BA Rail Accident Investigation Branch - GOV.UKThe Rail Accident Investigation Branch (RAIB) independently investigates accidents to improve railway safety, and inform the industry and the public. RAIB works with the Department for Transport .Pedestrian struck by a train at Lady Howard footpath and bridleway crossing, Surrey, 21 April 2022 – reopening of RAIB’s investigation. Overspeed incidents at blanket emergency speed restrictions between Stirling and Perth, Scotland, 15 July 2023. RAIB http://www.raib.gov.uk/