No it's not. They shut down Keystone/Bison Dragways so they could run the gas pipeline to the east in '76. It used to be 25 miles east of Winnipeg on the Trans Canada Hwy.
Gimli Dragways was opened in '78 on the site of the Airforce Base in Gimli, 50 miles north of Winnipeg. It still exists today as Interlake Dragways.