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. High River – Calgary Highway 2A currently begins in the Town of High River and follows 12 Avenue SE and Centre Street before passing by Aldersyde and intersecting Highway 7. The highway then travels westward to the Town of Okotoks, where it branches north and follows Southridge Drive and Northridge Drive through Okotoks before rejoining Highway 2 near De Winton. In 2003, it was extended north by sharing a common alignment with Highway 2 for until it splits to Deerfoot Trail (Highway 2) Macleod Trail (Highway 2A) and ends in the City of Calgary at Stoney Trail (Highway 201). Macleod Trail continues north into downtown Calgary but does not carry a highway designation. Major intersections Central Alberta Highway 2A runs adjacent to the Queen Elizabeth II Highway between Calgary and Edmonton, although it does not enter either city. Highway 2A generally runs parallel to the Canadian Pacific Railway Calgary-Edmonton line, which runs to the west of Highway 2 between Crossfield and Red Deer, and to the east of Highway 2 between Red Deer and Leduc. Highway 2A is divided into two subsections with a gap between Bowden and Innisfail. The first subsection of Highway 2A starts at the Highway 2 / Highway 72 interchange (Exit 295) and passes through the town of Crossfield, town of Carstairs, and by the town of Didsbury before entering the town of Olds along 46 Avenue and intersects Highway 27 (46 Street). The highway continues north to the town of Bowden before terminating at Highway 587, just west of Highway 2 (Exit 357). The second subsection begins in the town of Innisfail at Highway 590 (50 Street), just west of Highway 2 (Exit 368), along 42 Avenue. The highway continues north and passes through the town of Penhold before entering the city of Red Deer along Taylor Drive. The highway turns east along 19 Street and then north along Gaetz Avenue. Highway 2A splits into one-way couplets through downtown Red