Musk put the price tag at around $6.2 billion (£4 billion_ but pointed out that that is around one-tenth of the projected cost of a high-speed rail system that California has been planning to build.
...
The politicians won’t go for that. They like big construction projects that will them and their friends rich.
I’ve no doubt that it cost closer to $6 billion if done by the private sector than the $100+ billion that government projected it will cost
It’s cost might be equal to the original projections for the California High Speed rail.