Hwy 110 Hwy 110 Hwy 110   

Ontario Highway 110 Quick Facts:
  • Years in Existence: 1953-1960
  • Current Status: Renumbered as King's Highway 15B in 1960
  • Current Name: Townline Road
  • Location: Eastern Ontario
  • Counties Served: Lanark
  • Towns Served: Carleton Place
  • Western Terminus: Hwy 15 - West of Carleton Place
  • Eastern Terminus: Hwy 29 - Carleton Place
  • Length in 1960: 2.9 km / 1.8 miles
HWY 110
King's Highway 110 Sign
Image courtesy of Jamie Malecki

History of King's Highway 110:

King's Highway 110 was one of Ontario's shortest King's Highways. The highway served as a bypass of Carleton Place for a number of years in the late 1940s and 1950s, although the highway apparently did not have a posted route number until 1953. The history of Highway 110 dates back to 1948, when the Department of Highways of Ontario (DHO) assumed Townline Road through Carleton Place as a new King's Highway. This tiny route was first shown on a Preliminary Route Plan dated May 17, 1948. The proposed highway connected Highway 15 (today's Highway 7) west of Carleton Place to Highway 29 in Carleton Place. The route was 2.9 km (1.8 miles) in length when it was first assumed by the DHO as a new King's Highway on August 11, 1948. This route seems to have been created as a truck bypass, as the existing junction of Highway 15 and Highway 29 at Bridge Street and High Street in Carleton Place was very constrained. Buildings lined both sides of these streets, giving trucks very little room to make turns.

The Highway 110 designation seems to have been assigned to a portion of the route during 1953. However, based on DHO mileage tables, it appears that the route of Highway 110 was signed via Townline Road and Bridge Street, at a total length of 2.1 km (1.3 miles). Presumably, this route was established so that trucks did not have to turn right from High Street (Highway 15 West) onto Bridge Street (Highway 15 East & Highway 29). In 1956, Highway 110 was apparently extended easterly along Townline Road to join Highway 29 at William Street instead. Through traffic from Arnprior and Almonte that wished to access Highway 15 West had the option of bypassing Downtown Carleton Place altogether. The 1956 rerouting of Highway 110 within Carleton Place added 800 metres to the highway's length. The route of Highway 110 was renumbered as Highway 15B in 1960, shortly after the new Carleton Place Bypass was completed and opened to traffic in December, 1959. Highway 15 was relocated onto the new bypass and a portion of the former route of Highway 110 was renumbered as Highway 15B in 1960.





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