Date: 04/01/2003

A section of the East Coast Main Line which has suffered mining subsidence is to be diverted. A 20mph speed restriction was placed on the line in February 2001. Prestonpans station's westbound platform will be demolished and re-built in the process. The replaced section will be 1.8km in length and will cost £56m.

Presently many cranes are in place during pile driving. The diversion will rest on three large concrete slabs of lengths 340m, 328m and 200m.

Edinburgh mine working have been subsiding in recent years, notably in the Gilmerton area and at Wallyford where the ECML was temporarily diverted while the trackbed was stablised. The Dolphingstone Diversion will be a permanent one.

The line closures are during 4-7 January (when Class 322s will operate to Newcraighall) and 19/20 April (Easter).

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