Also, until we see how the current conversion to ‘Working from Home’ pans out in the long-term we may not need the ‘extra’ capacity. Add ‘Flexible working’ to the mix and Rush Hour might even become a Thing of the Past.
Perhaps too many MP’s have interests in Construction Industry (direct or indirect) to stop now. It would explain the insane amount of new housing currently getting built on green field sites while increasing the number of full price houses the Construction Companies can built before having to include ‘affordable’ housing.