Ian visits reports on some figures from the Mayor of London on
TfL» report reveals the cost and challenges of introducing driverless tube trains
https://www.ianvisits.co.uk/articles/tfl-report-reveals-the-cost-and-challenges-of-introducing-driverless-tube-trains-79316/The report candidly states that upgrading to GoA3 or GoA4 on some lines would be value for money. It’s just that it costs an awful lot of money to deliver the value for money.
The Mayor’s answer last December broke the numbers down:
Bakerloo line – £4.4 billion
Central line – £10 billion
Piccadilly line – £4.9 billion (on top of the new trains already on order)
Which raises the old question Ooose gonna pay?