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 Parkway the completion of the Spadina Expressway, which itself was cancelled in 1971. Just north of the Bayview–Bloor interchange, the expressway passes over Pottery Road. To the east is Todmorden Mills, a collection of historic buildings and a former industrial site, the original "Don Mills". The nearby pond was a section of the Don River cut off by the parkway construction. Further north, to the west where the highway crosses Beechwood Avenue, is Crothers Woods, a restoration site. The expressway continues due east along the southern edge of the valley. The opposing lanes split as the expressway passes beneath the Leaside