BR ATP

FGW HST ATP Notice

BR ATP (British Rail Automatic Train Protection) is a railway Safety System used on the Great Western Main Line and formally used on the Chiltern Main Line. It was developed after the Clapham Junction crash in 1986 and several other crashes as a last line of defence.

Routes

ATP can be found on the Great Western Main Line between London Paddington and Bristol Temple Meads via Bath Spa, it could also found on the Chiltern Main Line and the Aylesbury Branch expect for the Metropolitan Line between Amersham and Harrow-on-the-Hill.

Rolling Stock

Here is a list of rolling stock which has been fitted with ATP.

• GWR & Scotrail HST's Only
• Class 165/0's Only
• Class 168
• GWR Class 800's Only
• GWR Class 802's Only

Accidents with BR ATP

• Southall, in 1997 a First Great Western HST with disabled ATP passed a signal at Danger at crashed into a Freight train crossing from the Yard on the the Great Western Main Line Reliefs.
• Labroke Grove, in 1999 a Thames Trains class 165, 165117 passed a signal at Danger SN109 and crashed in a FGW HST.