King’s Cross throat: LNER Azuma No 801206 leaves the terminus and heads into the revived third bore of Gasworks Tunnel on 12 May 2021 with the 11.33 to Leeds, as work continues on the west side of the layout.
Philip Sherratt

REMODELLING OF the station throat at King’s Cross is on course for completion in early June. The restoration of services through the third bore of Gasworks Tunnel on 26 April was a major milestone as the ‘half and half’blockade at the station passed the halfway stage.

Part of the East Coast upgrade, which is delivering enhanced infrastructure to support a timetable uplift scheduled for May 2022, the King’s Cross project sees the layout in the station throat reconfigured to increase linespeeds. Extra capacity will be gained due to the provision of two additional approach lines into the terminus, using the revived third bore of Gasworks Tunnel.

The main phase of works comprises reconfiguration of half of the station at a time. After a full closure from 26 to 28 February to split the station in two, from 1 March the low-numbered platforms and approaching fast lines were closed. Mark Bell, Network Rail’s Programme Manager, reports that straightening of platforms for the new layout involved more than just realigning the platform ends, with up to 100 metres rebuilt in some cases. Only the two slow lines and platforms 7 to 11 were available for the reduced train service in operation during this first half of the works.

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