 This is in part due to the success of the HS1 project, part due to realisation that upgrades to existing infrastructure offer poor value for money and cannot hope to meet future capacity needs, and part due to increasing environmental concerns over the expansion of the short-haul airline industry.In 2001, the SRA commissioned Atkins to perform a feasibility study into the transport and business case for high-speed rail.The study, published on 29 October 2004, looked at combinations of 11 routing options to accommodate forecast traffic flows and concluded