Friends of the Rail Forum

"Johannesburg Underground - A Lost Opportunity"
Story on how Johannesburg needed and might have got an underground railway if the project was not so expensive!
See the Heritage Portal at http://www.heritageportal.co.za/article ... pportunity

The article mentions "tube" from time to time, but what is not clear to me is whether it was to be a real "tube" (ie deep tunnels like the London Northern or Central lines) or a "cut and cover" system (eg London's Victoria and Circle lines). Both would have their own different cost implications.