Автомагистраль 5: Путь через Кокуихаллу и окрестности Британской Колумбии

Highway in British Columbia, Canada
Highway 5 begins south at the junction with Crowsnest Highway (Highway 3) at uninhabited Othello, east of Hope (named after a nearby siding on the Kettle Valley Railway, which used many Shakespearean names). Exit numbers on the Coquihalla are a continuation of those on Highway 1 west of Hope, as it is an extension of the freeway that starts in Horseshoe Bay. north of Othello, after passing through five interchanges, Highway 5 reaches the landmark Great Bear snow shed. The location of the former toll booth is north of the snow shed, passing through another interchange and the
Coquihalla Pass. Highway 5 is the only highway in British Columbia to have had tolls; a typical passenger vehicle toll was $10. Now free to drive, at the Coquihalla Lakes junction, the highway crosses from the Fraser Valley Regional District into the Thompson Nicola Regional District. and five interchanges north of the former toll plaza. The Coquihalla Highway then enters the city of Merritt, which is accessed by two interchanges, both of which also provide access to Highway 5A, Highway 97C, and Highway 8. The section of highway, between Merritt and Kamloops, is long. After exiting Merritt, the highway climbs up a long, steep hill toward another high point, the Surrey Lake Summit. It passes through three interchanges along this section. A diamond interchange at Exit 336 provides an important turnoff to Logan Lake on Highway 97D and Lac le Jeune. Shortly after the junction, the highway descends into the city of Kamloops, where it meets Highways 1 and 97 at a trumpet interchange.

Highway 5 continues east for concurrently with Highways 1 and 97, through Kamloops. This stretch of road, which carries 97 South and 5 North on the same lanes (and vice versa), is the only wrong way concurrency in British Columbia. This section is mostly an urban freeway with a speed limit of It passes through five interchanges, connecting to the core area of Kamloops, before the concurrency splits and Highway 5 exits off the road to the north in a complex five way interchange. After separating from Highways 1 and 97, Highway 5 proceeds north for approximately For most of this section, it is a four lane divided highway with several signalized intersections and a speed limit of After leaving the concurrency it immediately crosses the South Thompson River and enters a First Nations Reserve, temporarily leaving Kamloops city limits. A particularly important intersection is the signal lights at Halston Drive, which is one of only two access points to the north half of Kamloops. Highway 5 re enters the city at the Rayleigh community, where it passes two busy at grade, but not signalized intersections; traffic volumes steadily decrease as it gets farther from the core area of Kamloops. Heffley Creek indicates the northern boundary of Kamloops; the exit to Sun Peaks resort is at the same turnoff. Traffic volumes thin out at that exit, and shortly afterward Highway 5 narrows to a two lane undivided road.

The Southern Yellowhead highway is the northern section of Highway 5. This section is long. It is largely a two lane undivided road, with some rare three or four lane sections for passing, although work has been constantly underway (especially in the Heffley Creek–Clearwater section) to create more passing opportunities. The speed limit is for the most part except in towns, where it can drop as low as Traffic volume on this section of highway is low compared to the Coquihalla and Kamloops sections of Highway 5. In its whole length there is only one traffic signal, which is in the town of Valemount. Services for drivers are provided in the major towns. Highway 5 follows the North Thompson River north from Kamloops and Heffley Creek for approximately , along a parallel course with the Canadian National Railway's main line. It passes an important junction for Adams Lake in the settlement of Louis Creek before entering the town Barriere. North of Barriere, it encounters a junction with Highway 24 in the village of Little Fort. north of Little Fort, while continuing to follow the North Thompson and the CN Railway, Highway 5 reaches the resort community of Clearwater, where a roundabout provides access to Wells Gray Provincial Park. Highway 5 proceeds northeast for another , passing Vavenby and Avola en route to the community of Blue River, a popular heliskiing location. From there it proceeds farther north through the heart of the Columbia Mountains. It crosses a low divide between the Thompson River and Fraser River drainages, entering the Regional District of Fraser Fort George. It soon passes through the community of Valemount, where a traffic signal is located. Next it passes Tête Jaune Cache and crosses the Fraser River, after which it immediately meets Highway 16 in a partial interchange, marking its northern terminus.

The current Highway 5 is not the first highway in B. C. to have this designation. From 1941 to 1953, the section of present day Highway 97, Highway 97A, and Highway 97B, between Kaleden, just south of Penticton, and Salmon Arm, was formerly Highway 5. In 1953, the '5' designation was moved to designate Princeton Merritt Kamloops Highway (present day Highway 5A) to north of Kamloops; by 1960, Highway 5 was extended north to Tête Jaune Cache and subsequently paved. In 1970, Highway 5 between Kamloops and Tête Jaune Cache was designated as the South Yellowhead Highway and signed with the Yellowhead Highway shield, while the section south of Kamloops was still signed with the standard British Columbia highway shield. In the 1960s, the Merritt Board of Trade began lobbying the B. C. government for a new highway route to Hope, including a vehicle caravan that was staged eight times starting in 1963, over the abandoned Kettle Valley Railway grade, in order draw attention to the potential of this route. Surveying commenced in 1973, and in 1979 the first construction contract was issued for a section of highway between Nicolum Creek and Peers Creek near Hope; however, work progressed slowly until 1984, when Premier Bill Bennett announced that the project would be fast tracked so it could be completed to coincide with Expo 86. To ensure the project was completed on time, more than 10,000 workers were needed, and more than 1,000 pieces of heavy equipment worked non stop every day during the summer of 1985. The opening celebrations featured a ceremony in Hope followed by a convoy led by Premier Bennett in an open air convertible that smashed through paper banners strung across the new highway lanes, stopped at the Coquihalla Summit to dedicate a time capsule, and continued to Merritt for further celebrations. The total cost for the highway between Hope and Merritt was approximately $848 million. Phase 2, between Merritt and Kamloops, opened in September 1987, re routing Highway 5, while Phase 3 was opened in October 1990 and designated as Highway 97C. In response to strong opposition from the public and numerous businesses in the Interior of British Columbia, the provincial government shelved the move three months later. On September 26, 2008, the provincial government permanently lifted the Coquihalla tolls, effective 1:00 pm that day. Subsequently, the toll station and signs were dismantled. In 2011, the British Columbia government replaced the standard British Columbia Highway 5 shields with Yellowhead Highway 5 shields south of Kamloops, which at the time drew some concern that the Coquihalla Highway would be officially renamed. Effective July 2, 2014, the Ministry of Transport and Infrastructure increased the speed limit on the Coquihalla Highway from to after conducting an engineering assessment and province wide speed review. In June 2016, the province implemented a variable speed limit corridor around the Coquihalla Summit Park to increase safety during adverse conditions.

Signs along the Coquihalla Highway frequently warn drivers to be aware of sudden changes in weather. The highway is particularly dangerous during winter seasons, with extreme snowfall that can exceed more than per hour. While road maintenance strives to keep the roads as clear as possible, it is not unheard of for the highway to shut down, sometimes with travellers forced to stay overnight in their cars. According to ICBC, there were 32 fatal crashes between 2004 and 2013, and an estimated 400–500 accidents occur during the winter seasons. Global News listed the stretch between Merritt and Hope as one of the deadliest highways in BC. DriveBC provides up to date reports on Coquihalla Highway conditions, including live webcams in several locations. Owing to its reputation, Highway 5 is featured predominantly in the reality docuseries Highway Thru Hell, which follows a group of towing companies that operate in the Interior and Highway 5. On November 14, 2021, a major storm in southern British Columbia damaged sections of the Coquihalla Highway and other routes in the area. Over the course of November 14 and 15, of rain fell along the Coquihalla route. The heavy rain eventually caused several large washouts at multiple points along the highway, including the destruction of multiple bridges. Initial repair estimates included temporary reopenings consisting of temporary bridges, operational for early 2022, with full repair completed in September 2022. After the washouts, Canadian Forces Cormorant helicopters evacuated stranded motorists on the highway. On December 20, the Coquihalla Highway was reopened to essential traffic, with non essential traffic being diverted toward Highway 99. On January 19, 2022, the Coquihalla Highway was reopened to non essential traffic from Hope to Merritt. The highway has since been fully reopened, allowing full traffic from Hope to Kamloops.