| Highway 15 | ||||
|---|---|---|---|---|
| Route information | ||||
| Length: | 113.4 km[1] (70.5 mi) | |||
| Major junctions | ||||
| South end: | Highway 401 – Kingston | |||
| North end: | Highway 7 – Carleton Place | |||
| Location | ||||
| Major cities: | Kingston | |||
| Towns: | Smiths Falls, Carleton Place | |||
| Highway system | ||||
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Ontario provincial highways
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Provincial Highway 15, also known as Highway 15, is a provincially maintained highway in the Canadian province of Ontario. It currently runs between Kingston at the Highway 401 interchange and Highway 7 in Carleton Place. The total length of Highway 15 is 113.4 kilometres (70.5 mi).
Highway 15 travels through the following municipalities: Kingston, Joyceville, Seeleys Bay, Elgin, Crosby, Portland, Lombardy, Beckwith, Smiths Falls, Franktown, Black's Corners and Carleton Place.
Highway 15 travels through the following counties: Frontenac, Leeds/Grenville and Lanark. While the southern section has changed little, Highway 15 has followed several different routings through Lanark County in its history.
Originally, the route followed what became Highway 43 (now Lanark County Road 43) to Perth then along what is now Highway 7 towards Carleton Place and eventually Ottawa. In 1961, Highway 15 was moved onto its current alignment from Smiths Falls to Carleton Place concurrent with Highway 29 (which continued north to Arnprior), and continued east to Ottawa as part of a concurrency with Highway 7. The next change took place in 1983, when Highway 29 was truncated to Smiths Falls and Highway 15 on its own assumed the routing (eliminating both concurrencies with 7 and 29).
Prior to 1998, the road's southern terminus was at Highway 2, east of downtown Kingston (at CFB Kingston), while the northern terminus reached Arnprior. Today, the Carleton Place to Arnprior segment is Lanark County Road 29, which matches the route's original (pre-1983) MTO route number.
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