Paddington contractor Costain Skanska also meeting railway bosses three times a week over productivity concerns

Crossrail is at risk of busting yet another opening deadline if it does not make “concessions” on its problem Bond Street station project, the consultant charged with keeping an eye on the scheme has warned.

In its latest monthly report, Jacobs said a review of the job has “identified challenges with the delivery of four stations, Bond Street, Whitechapel, Paddington and Canary Wharf for which mitigation measures will need to be developed”.

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Bond Street is expected to be the last of the central London stations to be handed over

But the consultant, which is the project representative for sponsors Transport for London and Department for Transport, raised particular concerns about Bond Stre