Highway 855
Route information
Maintained by Alberta Transportation
Length	389.2 km[1] (241.8 mi)
Major junctions
South end	Highway 9 west of Hanna
Major intersections	Highway 12 Highway 13 Highway 14 Highway 16 (TCH) Highway 28
North end	Highway 55 in Atmore
Location
Country	Canada
Province	Alberta
Specialized and rural municipalities	Special Area No. 2, Stettler County No. 6, Paintearth County No. 18, Flagstaff County, Beaver County, Lamont County, Smoky Lake County, Lac La Biche County, Athabasca County
Towns	Daysland, Mundare, Smoky Lake
Highway system
Alberta Provincial Highway Network List Former
← Highway 854 → Highway 856

Alberta Provincial Highway No. 855^[2] is a highway in the province of Alberta, Canada. It runs south–north from Highway 9 west of Hanna to Highway 55 and Highway 63 in Atmore. It provides access to rural areas, and is gravel at both its south and north ends. At 389 km (242 mi) it is the longest 500–986 series highway in Alberta.

It is also known as Lougheed Avenue in Heisler, 45 Street in Daysland, 54 Street in Holden, Sawchuk Street in Mundare, and 50 Street in Andrew and Smoky Lake.

Starting from the south end of Highway 855:

Rural/specialized municipality	Location	km[1]	mi	Destinations	Notes
Special Area No. 2	​	0.0	0.0	Highway 9 – Drumheller, Hanna	Southern terminus
County of Stettler No. 6	​	38.3	23.8	Highway 589 begins / Township Road 350	Highway 589 eastern terminus; south end of Highway 589 concurrency
		39.4	24.5	Highway 589 west – Endiang	North end of Highway 589 concurrency
County of Paintearth No. 18	Halkirk	73.8	45.9	Highway 12 east – Castor	South end of Highway 12 concurrency
	​	75.8	47.1	Highway 12 west – Stettler	North end of Highway 12 concurrency
		90.3	56.1	Highway 601 west – Red Willow
		99.0	61.5	Big Knife Provincial Park
↑ / ↓	​	99.5	61.8	Crosses the Battle River
Flagstaff County	​	109.9	68.3	Highway 53 east – Forestburg	South end of Highway 53 concurrency
		111.6	69.3	Highway 53 west – Donalda, Bashaw	North end of Highway 53 concurrency
	Heisler	121.9	75.7
	​	142.6	88.6	Highway 13 east – Killam	South end of Highway 13 concurrency
	Daysland	144.4	89.7	Highway 13 west – Camrose	North end of Highway 13 concurrency
Beaver County	​	161.9	100.6	Highway 26 – Camrose, Viking
	Holden	185.7	115.4	Highway 14 – Ryley, Tofield, Viking
	​	200.8	124.8	Highway 626 east – Vegreville	South end of Highway 626 concurrency
		207.0	128.6	Highway 626 west – Ryley, Tofield	North end of Highway 626 concurrency
Lamont County	​	229.6	142.7	Highway 16 (TCH/YH) – Edmonton, Lloydminster Highway 15 begins	Highway 15 eastern terminus; south end of Highway 15 concurrency
	Mundare	231.8	144.0	Highway 15 west (49 Avenue) – Lamont, Fort Saskatchewan	North end of Highway 15 concurrency
	​	252.3	156.8	Highway 29 – Fort Saskatchewan, Hairy Hill
	Andrew	265.2	164.8	Highway 45 east – Hairy Hill, Two Hills	South end of Highway 45 concurrency
	​	273.3	169.8	Highway 45 west – Bruderheim	North end of Highway 45 concurrency
↑ / ↓	​	284.8	177.0	Crosses the North Saskatchewan River
Smoky Lake County	Smoky Lake	299.4	186.0	Highway 28 – Edmonton, Redwater, Cold Lake
	Buffalo Lake Metis Settlement	No major junctions
Lac La Biche County	​	359.0	223.1	Highway 663 – Boyle, Lac La Biche
Athabasca County	Atmore	389.2	241.8	Highway 55 / Highway 63 – Fort McMurray, Lac La Biche, Edmonton	Northern terminus; continues as Highway 63 north
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus