Sport in the United Kingdom fans to sit behind an athletics track. This means that athletics stadiums have to be separately financed and this can only be done with public funds, which have not been forthcoming on a large scale. The largest athletics stadium built in the United Kingdom between Second World War and the 2010s, the 38,000-capacity City of Manchester Stadium built for the 2002 Commonwealth Games, was reconfigured for football-only use after that event. For many years, the largest existing stadium was the 25,000 seat Don Valley Stadium in Sheffield, and London's largest athletics venue was Crystal Palace, which has just 15,500 permanent
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