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The new switches and crossings units can be seen on the new tracks approaching London Bridge station and The Shrd

Track renewal on the lines to the east of London Bridge

Network Rail engineers on the tracks near London Birdge

An S&C unit on the tracks near London Bridge

Mark Somers, railway systems project director for Network Rail's Thameslink Programme

Woodland community primary school pictured with Pete Waterman and Torfaen AM Lynne Neagle

The Economy Infrastructure and Skills Committee at the Pierhead event pictured here with Lynne Milligan, customer services director for Arriva Trains Wales (third left), Pete Waterman (fourth left) Bill Kelly, chief operating officer for Network Rail in Wales and Borders (third right) and Sir Peter Hendy, CBE, Chair of Network Rail (second right)