A former section of Highway 1A exists along the former Kicking Horse Trail, the original road between Lake Louise and Golden that opened in 1926. When the Trans-Canada Highway was realigned in 1962, the segment became Highway 1A. It began at Highway 1, west of the Alberta border in Yoho National Park and meandered eastward through Kicking Horse Pass to Lake Louise. The route is now closed to vehicle traffic and is part the Great Divide hiking trail.