Don Valley Stadium running/warm-up track. Up to 15,000 spectators could also be accommodated on the open terracing giving a seated capacity 25,000 for sports events. For musical performances the stadium could accommodate 15,000 seated guests, but had a maximum capacity of 50,000 if the field was used to accommodate standing fans. The stadium was operated by Sheffield International Venues and owned by the Sheffield City Trust. The Don Valley Stadium, which cost £29 million, was the first entirely new outdoor national sporting venue built in Great Britain since Wembley in the early 1920s when it was completed in September 1990. It was built
Don Valley Parkway Bayview Avenue; widening Don Mills Road; and expanding the parkway. Two proposals were put forward for approval: the Leslie Street extension and widening of Don Mills Road. Don Mills Road was widened from four to six lanes with the new lanes to be high occupancy/bus lanes. The Leslie Street extension was approved by East York and North York, but was abandoned by Metro Council in 1993, after the provincial government refused to subsidize its construction. In 1989, a public meeting was held on the future of the Don River, which was widely known for its pollution, and the Don Valley,