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 flooding. During the 2010 municipal election, mayoral candidate Sarah Thomson proposed a road toll for the Gardiner Expressway and Don Valley Parkway, drawing comments from critics and supporters across the city. Two projects are underway that may change the parkway's southern end. Waterfront Toronto is conducting an environmental assessment to evaluate replacing, modifying or removing the Gardiner Expressway east of Jarvis Street. The parkway would then end at Lake Shore Boulevard. The City of Toronto eventually decided to keep the Gardiner–Don Valley Park way connection, with revised ramps. A second proposal, known as the "Don Mouth Naturalization and Port Lands