planned realignments or extensions of existing highways. The numbers applied to each highway in the 900 series are derived from the highway that is planned to be realigned or extended (e.g. Hwy 901 is a potential realignment of Hwy 1 and Hwy 986 is an extension of Hwy 686). Park access roads A park access road (PAR) is an access route managed by Alberta Transportation that connects provincial parks to designated provincial highways. The following is a list of all park access roads in Alberta as of March 2017. Urban approach roads An urban approach road (UAR) is an access route managed by Alberta Transportation that connects urbanized areas to designated provincial highways. The following is a list of all urban approach roads in Alberta as of March 2017. See also Transportation in Calgary Transportation in Edmonton Transportation in Lethbridge References External links Alberta Roads Calgary Historical Roadway Plans Edmonton Historical Roadway Plans Highways Development and Protection Act Highways Development and Protection Regulation Provincial Highways 1 - 216 Progress Chart, March 2016 Provincial Highways 500 - 986 Progress Chart, March 2016 Public Highways Act, 1922 Public Highways Act, 1929 Public Highways Act, 1942 Public Highways Development Act, 1966 Public Highways Development Act, 1980 Public Highways Development Act, 2000 Lists of roads in Canada Highways