Very possibly, although it could equally be the walled-off area to the left of shot here (where the orangefolk on the scissorlift are).
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Further down the LinkedIn page, work to install piles around Doncaster (for switch feed supporting portals) is ongoing.
As for the other TSCs (green buildings), ones still to be delivered are:
- Doncaster North (MP)
- Balne
- Tollerton
- Dalton (MP)
- Northallerton
- Darlington
- Aycliffe (MP)
- Tursdale Junction
- Chester-le-Street (MP)
- King Edward Bridge Junction
- Stannington (MP)
- Chathill (MP)
- Fenham
(There will also be a TSC at Shilbottle but this is apparently due to be a brick building instead)