 Saskatoon is the most populous city located in central Saskatchewan, Canada, on the South Saskatchewan River, with a metropolitan population of 233,923.The highway starting terminus is adjacent to the Saskatoon Railway Station a national historic site classified as a Designated Heritage Railway Station.Along 25th Street, there is a historic marker commemorating the King Edward School building the first home of Saskatoon's city hall, and the Saskatoon World War memorial marker.