| Route information | ||||
|---|---|---|---|---|
| Length | 152 km [1] (94 mi) | |||
| Existed | 1950s–c. 1977 | |||
| Major junctions | ||||
| South end | ||||
| North end | ||||
| Location | ||||
| Country | Canada | |||
| Province | Alberta | |||
| Specialized and rural municipalities | Thorhild, Athabasca, Lac La Biche | |||
| Towns | Lac La Biche | |||
| Highway system | ||||
| ||||
Alberta Provincial Highway No. 46, commonly referred to as Highway 46, was a highway in north-central Alberta, Canada connecting Edmonton to Lac La Biche. It existed between the 1950s and 1970s, and has formed portions of Highways 55 and 63 since the late 1970s. [2] [3]
Highway 46 began at Highway 28 west of Radway and travelled north to through Boyle. [4] North of Boyle, Highway 46 turned east through Grassland and Atmore, ending in Lac La Biche. [4]
A portion of the gravel road that later became Highway 46 had been constructed by the late 1930s. [5] [6] Construction of Highway 63 between Atmore and Fort McMurray began in 1962. [7] In the late-1970s, in conjunction with new highways being constructed between Athabasca and Boyle as well as between Lac La Biche and Cold Lake, the 30 km (19 mi) east-west section between Atmore and Lac La Biche was renumbered to Highway 55. [3] The 89 km (55 mi) north-south section between Radway and Boyle became part of Highway 63, while a 23 km (14 mi) concurrency with Highways 55 & 63 was established between Boyle and Atmore. [3]
Replacement highways
| Current Number | Length (km) | Length (mi) | Southern terminus | Northern terminus | Notes | |||
|---|---|---|---|---|---|---|---|---|
| 89 | 55 | Hwy 28 near Radway | Former Highway 664 at Donatville | Hwy 664 replaced by Highway 55. | ||||
23 | 14 | Former Highway 664 at Donatville | Highway 63 at Atmore | |||||
| 40 | 25 | Highway 63 at Atmore | Hwy 36 in Lac La Biche | Highway 55 continues east. | ||||
| Concurrency | ||||||||