Boring only digs 12 foot tunnels. That is big enough for London Tube trains but not normal trains. There is no indication that they can make regular tunnels che

Boring only digs 12 foot tunnels. That is big enough for London Tube trains but not normal trains. There is no indication that they can make regular tunnels cheap, or that their tunnels are particularly cheap. Their main product is Loop, which is driving Tesla cars in tunnels.