Penetration and obstruction of a tunnel between Old Street and Essex Road stations, London has been released. It contains valuable lessons for geotechnical specialists which are summarised in this letter to the BGA. Please take the time to read this and pass the knowledge on to your colleagues." />
The Rail Accident Investigation Brach report on Penetration and obstruction of a tunnel between Old Street and Essex Road stations, London has been released. It contains valuable lessons for geotechnical specialists which are summarised in this letter to the BGA. Please take the time to read this and pass the knowledge on to your colleagues.