https://www.gov.uk/raib-reports/safety-digest-08-2017-chipping-sodbury-tunnel
Safety digest 08/2017: Chipping Sodbury Tunnel - GOV.UK
Trains struck a location cabinet door in Chipping Sodbury Tunnel, 20 February 2017.
chipping sodbury tunnelsafetydigest082017
https://www.gov.uk/government/publications/safety-digest-082017-chipping-sodbury-tunnel
Safety digest 08/2017: Chipping Sodbury Tunnel - GOV.UK
RAIB has today released its safety digest into trains striking a location cabinet door in Chipping Sodbury Tunnel, 20 February 2017.
chipping sodbury tunnelsafetydigest082017
https://www.gov.uk/government/publications/safety-digest-082017-chipping-sodbury-tunnel/trains-struck-a-location-cabinet-door-in-chipping-sodbury-tunnel-20-february-2017
Trains struck a location cabinet door in Chipping Sodbury Tunnel, 20 February 2017 - GOV.UK