Reopening line 'a no-brainer' or 'insanely expensive'?

BBC News - Supporters of a bid to re-open a railway line closed for more than 50 years say their campaign "never had a better opportunity" to succeed.
The Skipton East Lancashire Rail Action Partnership (SELRAP) has launched a new petition calling on the government to reinstate the 12-mile (19km) Colne to Skipton line, which has been shut since 1970.