Don Valley Stadium of these eventualities the seated capacity would have been raised to 45,000. In addition when the British government cancelled the proposed Picketts Lock stadium in Edmonton, London which was to hold the 2005 World Championships in Athletics, UK Athletics suggested to move the host city to Sheffield using the Don Valley Stadium, but the IAAF stated that having London as the host city was central to Great Britain winning the bid to host the tournament. The championships bidding process was reopened as a result with the Helsinki Olympic Stadium in Helsinki, Finland hosting the 2005 World Athletics Championships. Although Sheffield
Don Valley Railway the engineering viability of a commuter service on the route and looked at the viability of the project from previous studies. This engineering feasibility study has shown that: Arup recommended that further study is conducted into the following areas in particular: operational arrangements; type and cost of rolling stock; station layout arrangements; track gauge and weight restrictions; sources of funding and patronage estimates. The study can be found on the Don Valley Railway's website. Following the Feasibility Study Don Valley Railway are in the process of developing a business plan to operate passenger services on the route. In order to