The Canadian province of Alberta has a provincial highway network consisting of over 31,400 kilometres (19,500 mi) of roads as of 2021-2022, of which 28,000 kilometres (17,000 mi) have been paved.
[1] All of Alberta's provincial highways are maintained by the Ministry of Transportation and Economic Corridors, a department of the Government of Alberta.
The numbers applied to these highways are derived from compounding the assigned numbers of the core north–south and east–west highways that intersect with the rings roads.
Within this series, all or portions of Highways 1, 2, 3, 4, 9, 15, 16, 28, 28A, 35, 43, 49, 63, 201 and 216 are designated core routes of Canada's National Highway System (NHS).
Only four highways within the series have segments that remained gravelled.