Southern segment
Length33 km[1] (21 mi)
South end Hwy 9 in Beiseker
North end Hwy 21 near Carbon
Northern segment
Length5 km[2] (3.1 mi)
West end Hwy 21 near Nevis
East end Hwy 12 near Nevis
Location
CountryCanada
ProvinceAlberta
Specialized and rural municipalitiesRocky View County, Kneehill County, County of Stettler No. 6
VillagesBeiseker, Acme
Highway system
← Hwy 21→ Hwy 22

Alberta Provincial Highway No. 21A, commonly referred to as Highway 21A, was the designation of two former spur routes of Highway 21 in Alberta, Canada.

Southern segment

The southern section of Highway 21A was a 33 km (21 mi) highway which started at Highway 9 in the Village of Beiseker and traveled north for 13 km (8 mi) to the Village of Acme and then turned east for 20 km (12 mi) to Highway 21, 8 km (5 mi) northeast of the Village of Carbon.[1] It was established in 1958/59 when Highway 21 was realigned from Beiseker to Highway 1 (Trans-Canada Highway) east of Strathmore.[3][4] Highway 21A was renumbered to Highway 26 in 1962/63,[5][6] and in 1972/73 the north-south section became Highway 806 while the east-west section became Highway 575.[7][8]

Northern segment

The northern section of Highway 21A was a 5 km (3 mi) highway that connected Highway 21 with Highway 12 near the Hamlet of Nevis.[2] In the early-1990s, Highway 11 was extended east from Highway 815 near Joffre to Highway 21; when construction was completed, Highway 21A became part of Highway 11.[9][10]

References

  1. ^ a b Google (January 27, 2017). "Former Alberta Highway 21A - Southern Section" (Map). Google Maps. Google. Retrieved January 27, 2017.
  2. ^ a b Google (January 27, 2017). "Former Alberta Highway 21A - Northern Section" (Map). Google Maps. Google. Retrieved January 27, 2017.
  3. ^ Official Road Map of the Province of Alberta (Map) (1958 ed.). Department of Economic Affairs. §§ E-4, E-5.
  4. ^ Official Road Map of the Province of Alberta (Map) (1959 ed.). Department of Economic Affairs. §§ E-4, E-5.
  5. ^ Alberta Official Road Map (Map) (1962 ed.). Government of the Province of Alberta. §§ J-7, J-8.
  6. ^ Alberta Official Road Map (Map) (1963 ed.). Government of the Province of Alberta. §§ J-7, J-8.
  7. ^ Province of Alberta Canada Official Road Map (Map) (1972 ed.). Government of the Province of Alberta. § L-6.
  8. ^ Province of Alberta Canada Official Road Map (Map) (1973 ed.). Government of the Province of Alberta. § L-6.
  9. ^ Province of Alberta Canada Official Road Map (Map) (1992 ed.). Government of the Province of Alberta. §§ K-6.
  10. ^ Province of Alberta Canada Official Road Map (Map) (1995 ed.). Government of the Province of Alberta. §§ K-6.
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