Rail users in the UK are set to face major delays in the future following the Potters Bar train tragedy as new speed limits may be introduced.
A British rail expert warns speed restrictions may follow the Potters Bar train tragedy.
The editor of Railway Gazette magazine says the real worry for the industry would be 20mph limits being imposed on sections of the network.
Richard Hope says he is certain yesterday's fatal crash was caused by a problem at the points ahead of the bridge in front of the station.