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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.All of Alberta's provincial highways are maintained by Alberta Transportation (AT), a department of the Government of Alberta. The network includes two distinct series of numbered highways:
The 1–216 series (formerly known as primary highways), making up Alberta's core highway network—typically paved and with the highest traffic volume
The 500–986 series, providing more local access, with a higher proportion of gravel surfaces