Ontario Highway 115

Last updated
Ontario 115.svg
Highway 115
Ontario Highway 115
Highway 115 highlighted in red
Route information
Maintained by Ministry of Transportation of Ontario
Length57.6 km [1]  (35.8 mi)
ExistedMarch 17, 1955 [2] –present
Major junctions
South endOntario 401 crown.svg  Highway 401 near Newcastle
Major intersectionsOntario 407 crown toll.svg  Highway 407 in Clarington
Ontario 35 crown.svg  Highway 35 near Pontypool
Ontario 7A crown.svg Highway 7A near Cavan
North endOntario 7 crown.svg  Highway 7 in Peterborough
Country Canada
Province Ontario
Highway system
Ontario 112.svg Highway 112 Ontario 118.svg Highway 118
Former provincial highways
 Ontario 114.svg  Highway 114 Highway 116 Ontario 116.svg 

King's Highway 115, commonly referred to as Highway 115, is a provincially maintained highway in the Canadian province of Ontario that connects Peterborough with Toronto via Highway 401. The highway begins at a junction with Highway 401 southwest of Newcastle and ends at an at-grade intersection with Highway 7 east of Peterborough.


Highway 115 is part of the Algonquin Trail and concurrent with Highway 35 from its southern terminus in Clarington to Enterprise Hill, where it veers towards Peterborough and Highway 35 continues north into the Kawarthas. It is also part of the Trans-Canada Highway from the interchange with Highway 7 south of Springville, Ontario to the northern terminus of the highway. Highway 115 is a freeway northeast of Enterprise Hill and a Right-in/right-out (RIRO) expressway south of it, featuring short ramps with abrupt right turns to and from the highway. By January 2010, exit numbers were added to the freeway section north of the Highway 35 concurrency.

Route description

Facing southwest along Highway 115; in the distance the median narrows and the route merges with Highway 35 115 towards Enterprise Hill.png
Facing southwest along Highway 115; in the distance the median narrows and the route merges with Highway 35

Highway 115 begins at a trumpet interchange with Highway 401, and is concurrent with Highway 35 for 18.9 km (11.7 mi) to Enterprise Hill. [3] [4] [5] For the length of this concurrency, it is a divided four lane RIRO expressway. Here, Highway 35/115 meets the eastern terminus of Highway 407 at a modified trumpet interchange in Clarington, and at Enterprise Hill, the expressway curves eastward and Highway 35 exits, continuing north towards Lindsay. Highway 115 continues northeast, and the two carriageways diverge, making it a freeway. A depressed grass median, generally 10 metres (33 ft) wide, separates the opposing directions of travel between this point and Peterborough.

Most of the remainder of the highway is straight and surrounded by agricultural lands and forests, until it meets Highway 7. From this point northeastward, Highway 115 is part of the southern Ontario route of the Trans-Canada Highway and concurrent with Highway 7. [3] The freeway continues along the southern edge of Peterborough and ends at Lansdowne Street to the east of the city. Highway 7 continues east towards Ottawa.


Highway 115/35, looking north from Durham Region Highway 2 bridge Ontario Hwy 115-35 at Hwy 2.jpg
Highway 115/35, looking north from Durham Region Highway 2 bridge

Highway 115 was a new highway constructed in the mid-1950s and gradually improved over the following 40 years. Initially, the route was constructed as a two lane connection from Highway 35 near Pontypool to Highway 28 on the outskirts of Peterborough. Because of this, it was known as the Pontypool–Peterborough Road. It was eventually extended to Highway 7 on the east side of Peterborough and later widened to a four-lane expressway in the late 1980s. Since then, improvements have been proposed to extend Highway 115 east to Highway 28, but none have come to fruition.

In 1953, construction began on a two lane road northeastward from Highway 35 south of Pontypool, with the purpose of creating a shorter route between Toronto and Peterborough. [6] [7] The Pontypool–Peterborough Road, as it was referred to during construction, was completed and designated as Highway 115 on March 17, 1955, [2] [8] ending at an intersection with Highway 28 which became notoriously dangerous. [6]

In 1961, Highway 115 was extended southward to the 401, becoming concurrent with Highway 35. That same year, the new Peterborough By-pass opened, providing a route for Highway 7 around the south side of the city via Monaghan Parkway. [9] Highway 115 was later extended east to connect with the bypass, and the northern terminus became the intersection of Erskine Avenue and Lansdowne Street (the former Highway 7A). The 6.2 kilometres (3.9 mi) extension was opened at a ribbon-cutting ceremony on August 25, 1978. [10]

The entire length of the highway south of Highway 7 was widened to four lanes in the 1980s and early 1990s. [11] Later, Highway 115 was rerouted to join Highway 7 on the newly four-laned Peterborough By-pass route. Although Highway 115 currently meets many Ontario freeway design standards northeast of the Highway 35 interchange, there are currently no plans to re-designate this section as a 400-series highway (like Highway 415 or a non-tolled section of Highway 407).

Exit list

The following table lists the major junctions along Highway 115, as noted by the Ministry of Transportation of Ontario. [1] [12]  

DivisionLocationkm [1] [13] miExitDestinationsNotes
Durham Clarington 0.00.0 Ontario 401 crown.svg  Highway 401Toronto, Kingston South end of Highway 35 concurrency
0.70.43 Lovekin Road
1.30.81RR 2 jct.svg  Regional Highway 2Newcastle, Bowmanville Formerly Ontario 2 crown.svg  Highway 2
4.22.6RR 17 jct.svg  Regional Road 17 south (Main Street) – Newcastle
Clarke 3rd Concession
6.23.9Clarke 4th Concession
8.15.0RR 17 jct.svg  Regional Road 17 north (Main Street) – Orono No northbound entrance; northbound exit via Clarke 5th Concession
8.65.3Station StreetNo access across Highway 35/115 (right-in/right out)
10.26.3Mill Street / Tamblyn Road – OronoSouthbound exit and entrance to Mill Street; northbound exit and entrance to Tamblyn Road
10.96.8RR 4 jct.svg  Regional Road 4 west (Taunton Road)
Clarke 6th Concession
13.48.3RR 9 jct.svg Regional Road 9 east (Clarke 7th Concession) – Bewdley
14.38.914Ontario 407 crown toll.svg  Highway 407 west – Toronto Opened on December 9, 2019. [14] [15]
15.49.6 Clarke 8th Concession
17.610.9Skelding RoadSouthbound exit and entrance
18.711.6Old Highway 35Southbound entrance
Wilcox RoadNorthbound exit and entrance
18.911.719Ontario 35 crown.svg  Highway 35 north – Lindsay North end of Highway 35 concurrency
Durham – Kawartha Lakes boundaryClarington – Kawartha Lakes boundary21.413.321RR 20 jct.svg Road 20 (Boundary Road)
Kawartha Lakes 26.416.426RR 32 jct.svg Road 32 (Porter Road) – Bethany, Pontypool
Peterborough Cavan–Monaghan 33.520.833Tapley 1/4 Line
38.023.638RR 10 jct.svg County Road 10 – Millbrook, Cavan
40.425.140Ontario 7A crown.svg  Highway 7A west (Cavan 9th Line) – Port Perry
45.128.045Ontario 7 crown.svgTrans-Canada Highway shield.svg Highway 7 west / TCH  Lindsay, Fowlers Corners
RR 28 jct.svg County Road 28 south – Port Hope
South end of Highway 7 concurrency; signed as exits 45A (south) and 45B (west); formerly Ontario 28 crown.svg  Highway 28 south
49.130.549RR 11 jct.svg County Road 11 (Airport Road)
Peterborough 51.532.051The Parkway, Sir Sandford Fleming DriveFormerly Ontario 28 crown.svg  Highway 28 north
54.533.954Bensfort RoadNo northeastbound entrance
56.335.056Ashburnham Drive
57.635.8 Ontario 7 crown.svg  TCH-blank.svg   Highway 7  / TCH east (Lansdowne Street) – Ottawa
RR 30 jct.svg County Road 30 north (Television Road)
At-grade; north end of Highway 7 concurrency; formerly Ontario 7B crown.svg  Highway 7B west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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  15. "Final extension of Highway 407 now open to motorists". CTV News. Retrieved 2019-12-10.

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