Above all, Crossrail is forecast to employ 25,000 engineers and labourers, security staff and tunnellers during its construction. Recruitment of a new board is near complete, tenders for several hundred million pounds of preparatory works have been issued and a public information campaign is under way. In the meantime I have had assurances, restated in the last few weeks from ministers and the Mayor and his team, that this vital rail project is receiving green signals all the way.