Alberta Highway 2

Alberta Provincial Highway No. 2, commonly referred to as Highway 2 or the Queen Elizabeth II Highway, is a major highway in Alberta that stretches from the Canada–United States border through Calgary and Edmonton to Grande Prairie. Running primarily north to south for approximately , it is the longest and busiest highway in the province carrying more than 170,000 vehicles per day near Downtown Calgary. The Fort Macleod—Edmonton section forms a portion of the CANAMEX Corridor that links Alaska to Mexico. More than half of Alberta's 4 million residents live in the Calgary–Edmonton Corridor created by Highway 2.

U.S. Route 89 enters Alberta from Montana and becomes Highway 2, a two-lane road that traverses the foothills of southern Alberta to Fort Macleod where it intersects Highway 3 and becomes divided. In Calgary, the route is a busy freeway named Deerfoot Trail that continues into central Alberta as the Queen Elizabeth II Highway, bypassing Red Deer. In Edmonton, it is briefly concurrent with freeway sections of Highways 216 and 16 before bisecting St. Albert and reverting to two lanes en route to Athabasca. It bends northwest along the south shore of Lesser Slave Lake as the Northern Woods and Water Route into High Prairie, before turning north to Peace River, west to Fairview and finally south to Grande Prairie where it ends at Highway 43.

Originally numbered as Highway 1, Highway 2 is the oldest major highway in Alberta and the first to stretch north into the Peace Country. It was historically known as the Calgary and Edmonton Trail, Sunshine Trail, and the Blue Trail. Major changes include the construction of a divided expressway between Calgary and Edmonton in the 1960s, realignment along Deerfoot Trail in the 1980s, and twinning south of Nanton in the 1990s. A Highway 43 realignment in 1998 shortened Highway 2 by nearly to its current northern terminus in Grande Prairie; it previously extended west to British Columbia Highway 2 at the border. Several projects including median widening and interchange upgrades have been undertaken in the 2010s to increase the safety of the highway's busier sections, with further improvements either under construction or awaiting funding. Bypasses of Fort Macleod, Claresholm, and Nanton are planned as part of Alberta's effort to make its portion of the CANAMEX Corridor free-flowing from border to border.

Route description

Overview

Highway 2 is a core route in the National Highway System of Canada. The speed limit along most parts of the highway between Fort Macleod and Morinville is and in urban areas, such as through Claresholm, Nanton, Calgary and Edmonton, it ranges from to . During the winter, accidents are common on the stretch of the highway between Calgary and Edmonton as the weather can change rapidly and drivers underestimate the conditions, overwhelming emergency services attempting to respond. As the main north–south access in Alberta, Highway 2 is the preferred path of the CANAMEX Corridor. Between Fort Macleod and Edmonton, Highway 2 maintains no fewer than four lanes of traffic and is largely a freeway between Okotoks and Edmonton, with improvements underway to eliminate the at-grade crossings that remain.

Southern Alberta

Foothills

Highway 2 begins at the United States border, as the two lane U.S. Route 89 crosses into Canada at Carway. The road proceeds north through the Rocky Mountain Foothills to a brief concurrency with Highway 501, before bisecting the town of Cardston. At the north end of town, the highway enters Blood Indian Reserve No. 148 and Highway 5 splits west to Waterton Lakes National Park; it is briefly concurrent with Highway 2 before splitting east to cross the St. Mary River en route to Magrath and Lethbridge. Highway 2 continues north to another short concurrency with Highway 505 during which it crosses the Waterton River to Stand Off, continuing across the Belly River to Fort Macleod in the Municipal District of Willow Creek.

Less than 1 km before meeting Highway 3 southeast of Fort Macleod, Highway 2 becomes a divided highway. Highway 3 splits east to Lethbridge, and the combined Highways 2 and 3 turn due west through town as a divided highway at a speed limit of 50 km/h. West of town, the highways diverge at an interchange; Highway 3 continues west as the Crowsnest Highway to Pincher Creek and British Columbia, and Highway 2 turns north across the Oldman River as a divided highway. It continues approximately north to Granum from which Highway 519 splits to the east. In tandem with Highway 23, Highway 519 is often used by CANAMEX traffic to bypass Fort Macleod. Further north on Highway 2, the towns of Claresholm and Nanton are each bisected at a reduced speed limit of 50 km/h. The highway is concurrent with Highway 533 for its brief distance through Nanton.

North of Nanton, the highway continues into the Foothills County to a major junction with Highways 23 and 2A at High River, after which it veers northwest to cross the Highwood River. On the other side of the river, a second interchange provides access to Okotoks via Highways 7 and 2A, and Highway 2 continues north across the Sheep River

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