Didsbury is a town in central Alberta, Canada at the foothills of the Rocky Mountains. It is located next to Alberta Highway 2A, near the Queen Elizabeth II Highway. Didsbury is within the Calgary-Edmonton corridor. Didsbury is approximately the half-way point between the cities of Calgary and Red Deer.

Alberta Provincial Highway No. 2A is the designation of six alternate routes off Highway 2 in Alberta, Canada. In general, these are original sections of Highway 2, such as the southern portion of Macleod Trail in Calgary. They passed through communities before limited-access freeways were built to shorten driving distance, accommodate heavier volumes and to bypass city traffic. Portions of the alignment of Highway 2A follow the route of the former Calgary and Edmonton Trail.