مرکز آزمایش ریلی به اندازه جبل الطارق 70 میلیون پوند برای مالیات دهندگان هزینه داشته است اما ساخته نشده است.

Planned Gibraltar-sized rail testing centre has cost taxpayers £70m but hasn't been built

The site has not found private-sector funding because the risk is "too great," its boss says.