黑洞社区

Cost per mile of West Coast Main Line modernisation projects 1966-2002
Year	1966	1974	1991	1996	1997	2000	2001	2002	2002
拢/尘颈濒别	6.25m	2m	3.2m	2.8m	4m	8.25m	10.7m	22m	16.68m