Hopping out onto the cavernous Elizabeth Line platform at Tottenham Court Road, it's easy to forget the five years of delay and £4 billion unanticipated expense that preceded Crossrail's completion.
Startup nPlan doesn't forget it. In 2018, the Spitalfields-based firm claimed its AI technology – trained on a vast library of historical construction data – could forecast the project far more accurately and more quickly than the teams of consultants and experts tasked with the job.