The numbered roads in the Regional Municipality of Durham account for about 832 kilometres (517 mi) of the county road system in the Canadian province of Ontario. The Durham Region Works Department owns and maintains the regional roads and regional highways, while the Ministry of Transportation of Ontario (MTO) owns and maintains the King's Highways in the region. The 67 (7 King's Highways, 4 Regional Highways, and 56 Regional Roads) numbered roads[note 1] provide access to the entirety of the region. Highway 401 forms the backbone of the region, traveling from the western boundary of the region to the eastern boundary alongside Lake Ontario, and serving over 200,000 vehicles per day. Several provincially maintained highways existed in the region prior to 1998, when they were transferred to municipal government in the region as part of a province-wide downloading of highways. Where the regional tier of municipal government has since been responsible for these routes, they have been designated as Durham Regional Highways.

Network

Highway 401 passing through Oshawa, at an abandoned railway overpass east of Albert Street. This bridge, closed in 2001, was demolished in 2011.[3]

The road network of the Regional Municipality of Durham consists of 832 kilometres (2,087 lane kilometres) of arterial roadway.[4] There are 60 numbered roads, referred to mostly as Regional Roads, though four former King's Highways are referred to as Regional Highways, where they are now owned and maintained by the region.[5]

In addition to the roads, there are 209 bridge and culvert structures currently maintained by the region.[4] The region is not responsible for the bridges over and under Highway 401, Highway 407 and Highway 412 nor the bridges over and under Highway 35/115 or, all of which are maintained by the MTO. The region is also exempt from the construction and maintenance of bridges crossed by railway, but not from bridges which separate road and rail crossings.

History

The regional municipality of Durham was created in 1974 by the merger of portions of Durham and Ontario counties.[6]

Structures

The Regional Municipality of Durham is responsible for the maintenance of both pavement as well as many structures that are over, under, or near the pavement. Bridges, culverts, and traffic signals are all built and maintained by the Works Department.

Services

"A photo of a four-lane divided highway on a sunny day. The photo is taken from a position above the centre of the highway, which continues forward into the horizon. Several cars can be seen on the highway. An offramp on either side of the highway merges with it halfway up the picture."
Highway 35 / 115 from the overpass with Durham Regional Highway 2

The Durham Regional Police Service Traffic Enforcement unit handles enforcement of traffic laws, except on the King's Highways, which are patrolled by the Ontario Provincial Police. Speed limits on regional roads vary between 50 and 80 kilometres per hour. Police in Durham will generally not set speed traps, as the region encourages the safe flow of traffic, and punishes unsafe driving rather than speed limits.[7] Maintenance and snow clearing is performed by the Durham Works Department. Five depots operate throughout the region in addition to the traffic operations centre in Whitby.[8]

Numbered roads

Shield for Regional Highway 12

Regional Highways

Durham Regional Highways[9]
Route Name(s) Western/Southern Terminus Eastern/Northern Terminus Length Communities Comments
 Kingston Road, Dundas Street West, King Avenue Toronto–Durham boundary Durham–Northumberland boundary 43 km (27 mi)
[Map 1]
[Map 2]
[Map 3]
[Map 4]		 Pickering, Ajax, Whitby, Bowmanville, Newcastle Formerly part of Highway 2, prior to January 1, 1998. Split into four sections; ends 800 meters east of Fothergill Court in Whitby, resumes at Regional Road 55 (Townline Road), and has two discontinuities in Clarington.[10]
 Brock Street North, Baldwin Street  Regional Road 28 Rossland Road Gatineau hydro corridor, south of Highway 7 (Highway 407 interchange) 4.8 km (3.0 mi)[Map 5] Whitby, Brooklin Formerly part of Highway 12, prior to January 1, 1998; continues north as Highway 12, south as Brock Street
 Toronto Street South, Brock Street  Regional Road 30 (York–Durham Line)   Highway 7 / Highway 12 25.1 km (15.6 mi)
[Map 6]
[Map 7]		 Goodwood, Uxbridge Formerly part of King's Highway 47, prior to April 1, 1997. Continues west as Regional Road 40. Discontinuous between First Avenue/Marietta Street and Fourth Avenue in Uxbridge.
 -  Highway 12 Durham–Kawartha Lakes boundary 6.6 km (4.1 mi)[Map 8] Talbot Formerly part of King's Highway 48. Continues east as Kawartha Lakes Road 48.
Shield for Regional Road 33

Regional Roads

Durham Regional Roads[9]
Route[5] Name(s)[5] Western/Southern Terminus[11] Eastern/Northern Terminus[11] Length Communities Comments
 Brock Road, Main Street Montgomery Park Road  Regional Road 32 (Ravenshoe Road) 46.2 km (28.7 mi)
[Map 9]
[Map 10]		 Pickering, Uxbridge, Leaskdale, Udora
Simcoe Street, Durham–Victoria Boundary Road Harbour Road (former Durham Regional Road 62) Brock Concession Road 14 49 km (30 mi)
[Map 11]
[Map 12]		 Oshawa, Columbus, Raglan, Port Perry, Seagrave, Sonya, Manilla Signed as Kawartha Lakes Road 2 between Seagrave and Manilla, where the road is maintained by the City of Kawartha Lakes under a boundary road agreement.[4][12] Used originally by the Mississauga Indians to get to Osler Marsh.[13] Later became the main highway to Port Perry, and was later extended to Beaverton.[14] In the 1840s, Abram Farewell proposed maintaining the road with tolls, which were ultimately never imposed.[15]
Durham Regional Road 2A
 Brock Street West, Centre Street, Fairbanks Street  Regional Road 2 (Simcoe Street)  Regional Road 2 (Simcoe Street) 1.8 km (1.1 mi)
[Map 13]		 Oshawa
Winchester Road, Grandview Street North, Columbus Road, Darlington Concession 8   Highway 7 / Highway 12 (Baldwin Street)  Regional Road 57 (Bowmanville Avenue) 19.8 km (12.3 mi)
[Map 14]		 Brooklin, Enniskillen
Taunton Road  Regional Road 30 (York–Durham Line)   Highway 35 / Highway 115 48.1 km (29.9 mi)
[Map 15]		 Pickering, Ajax, Whitby, Oshawa, Clarington Continues west as Steeles Avenue into Toronto
Durham Regional Road 5
 Central Street, Pickering Concession 9, Myrtle Road, Raglan Road  Regional Road 30 (York–Durham Line)  Regional Road 2 (Simcoe Street) 24.4 km (15.2 mi)
[Map 16]		 Pickering, Claremont, Whitby, Oshawa
Saintfield Road   Highway 7 / Highway 12  Regional Road 2 (Simcoe Street) 7.0 km (4.3 mi)
[Map 17]		 Seagrave
Island Road  Highway 7A (Scugog Street) Hood Road / Carnegie Beach Drive 11.5 km (7.1 mi)
[Map 18]		 Passes through the Mississaugas of Scugog Island First Nation reserve, and by the Great Blue Heron Casino.[16]
 Brock Street West, Main Street South, Reach Street  Regional Road 30 (York–Durham Line)  Regional Road 2 (Simcoe Street) 26.1 km (16.2 mi)
[Map 19]
[Map 20]		 Uxbridge, Epsom, Port Perry, Ontario
Durham Regional Road 9
 Ganaraska Road   Highway 35 / Highway 115 Durham–Northumberberland boundary 9.9 km (6.2 mi)
[Map 21]		 Kendal
River Street  Regional Road 23 (Lakeridge Road)   Highway 7 / Highway 12 5.7 km (3.5 mi)
[Map 22]		 Sunderland
Durham Regional Road 11
 Sandford Road  Regional Road 30 (York–Durham Line)  Regional Road 1 12.1 km (7.5 mi)
[Map 23]		 Sandford Continues west into York Region as Herald Road and Green Lane
 Cameron Street  Regional Road 23 (Lakeridge Road)  Regional Road 2 (Simcoe Street) 7.1 km (4.4 mi)
[Map 24]		 Cannington
Zephyr Road, Brock Concession 3  Regional Road 39  Road 2 (Simcoe Street) 24.5 km (15.2 mi)
[Map 25]
[Map 26]		 Zephyr, Leaskdale
Liberty Street  Highway 401  Regional Road 4 8.9 km (5.5 mi)
[Map 27]		 Bowmanville, Hampton
Simcoe Street  Regional Road 23 (Osborne Street) Durham–Victoria Boundary Road 8.7 km (5.4 mi)
[Map 28]		 Beaverton Continues east as Kawartha Lakes Road 8 (Glenarm Road) in the City of Kawartha Lakes
 Ritson Road  Regional Road 60 (Wentworth Street)  Regional Road 3 (Winchester Road East) 11.3 km (7.0 mi)
[Map 29]		 Oshawa
Mill Street, Main Street, Manvers Road  Highway 401  Regional Road 4 (Taunton Road) 6.3 km (3.9 mi)
[Map 30]
[Map 31]		 Newcastle
Newtonville Road  Highway 401  Regional Road 9 (Ganaraska Road) 11.9 km (7.4 mi)
[Map 32]		 Newtonville, Kendal
Shirley Road  Regional Road 2 (Simcoe Street)  Regional Road 57 11.0 km (6.8 mi)
[Map 33]
Durham Regional Road 20
 Mosport Road, Boundary Road, Durham Road 20  Regional Road 57  Highway 35 12.5 km (7.8 mi)
[Map 34]
Church Street, Goodwood Road  Regional Highway 47 (Main Street)   Highway 7 / Highway 12 18.4 km (11.4 mi)
[Map 35]		 Goodwood, Utica, Manchester Continues east as Highway 7A towards Port Perry
 Bayly Street, Victoria Street, Bloor Street  Regional Road 38 (Whites Road)  Regional Road 34 (Courtice Road) 29.9 km (18.6 mi)
[Map 36]		 Pickering, Ajax, Whitby, Oshawa
Lakeridge Road, Osborne Street, Mara Road  Regional Road 22 (Bayly Street East / Victoria Street West)  Highway 12 74.4 km (46.2 mi)
[Map 37]		 Ajax, Whitby, Pickering, Vallentyne, Port Bolster, Beaverton Lakeridge Road serves as a boundary line for three-quarters of the municipalities of Durham: Ajax, Pickering, and Uxbridge to the west; Whitby, Scugog, and Brock to the east.
Durham Regional Road 24
 Church Street  Regional Road 22 (Bayly Street) CN rail line bridge south of  Highway 401 1.0 km (0.62 mi)
[Map 38]		 Ajax Regional Road 24 designation was retired from the CN Rail line towards  Regional Highway 2 (Kingston Road West) in 2015.
Durham Regional Road 25
 Consumers Drive, Stellar Drive, Champlain Avenue Brock Street  Regional Road 53 (Stevenson Road) 5.1 km (3.2 mi)
[Map 39]
[Map 40]		 Whitby, Oshawa
Durham Regional Road 25A
 Champlain Avenue  Regional Road 25 (Stellar Drive)  Regional Road 52 (Thornton Road) 1.7 km (1.1 mi)
[Map 41]		 Whitby, Oshawa
Thickson Road  Regional Road 60 (Wentworth Street West)   Highway 7 / Highway 12 15.3 km (9.5 mi)
[Map 42]		 Whitby, Brooklin
Altona Road  Regional Highway 2 (Kingston Road)  Regional Road 30 (York–Durham Line) 10.5 km (6.5 mi)
[Map 43]		 Pickering, Whitevale
Rossland Road, Peter Matthews Drive (Future road segment)  Regional Road 43 (Cochrane Street)  Regional Road 33 (Harmony Road) 9.9 km (6.2 mi)
[Map 44]		 Whitby, Oshawa Peter Matthews Drive is a future road segment in Pickering
 Liverpool Road  Regional Road 22 (Bayly Street)  Regional Road 37 (Finch Avenue) 2.0 km (1.2 mi)
[Map 45]		 Pickering
York–Durham Line  Regional Road 40 /  Regional Highway 47  Regional Road 39 (Queensville Sideroad) 18.4 km (11.4 mi)
[Map 46]		 Stouffville, Mount Albert Continues east as  Regional Road 39 (Scott Concession 3)
 Westney Road, 7th Concession  Regional Road 44 (Harwood Avenue)  Regional Road 1 (Brock Road) 18.7 km (11.6 mi)
[Map 47]		 Ajax, Greenwood
Harmony Road  Regional Road 22 (Bloor Street East)  Regional Road 3 (Winchester Road East) 10.3 km (6.4 mi)
[Map 48]		 Oshawa
Courtice Road, Enfield Road  Highway 401 / Service Road East  Regional Road 3 14.7 km (9.1 mi)
[Map 49]
[Map 50]		 Courtice
Durham Regional Road 35
 Wilson Road  Regional Road 22 (Bloor Street East)  Regional Road 4 (Taunton Road East) 6.2 km (3.9 mi)
[Map 51]		 Oshawa
Durham Regional Road 36
 Hopkins Street, Anderson Street  Regional Road 25 (Consumers Drive)  Regional Road 28 (Rossland Road East) 3.7 km (2.3 mi)
[Map 52]		 Whitby
Finch Avenue  Regional Road 27 (Altona Road)  Regional Road 1 (Brock Road) 5.8 km (3.6 mi)
[Map 53]		 Pickering
Whites Road Petticoat Creek Conservation Area  Highway 7 12.4 km (7.7 mi)
[Map 54]
[Map 55]		 Pickering Extended north to Highway 7 in February 2021 in order to have an interchange with Highway 407 as part of local development.
Durham Regional Road 39
 Scott Concession 3, Durham Road 39  Regional Road 30 (York–Durham Line)  Regional Road 32 (Ravenshoe Road) 10.1 km (6.3 mi)
[Map 56]		 Zephyr Continues south as  Regional Road 30 (York–Durham Line)
 Alexander Knox Road Future road segment Pickering Future road segment in Pickering
 Salem Road  Regional Road 22 (Bayly Street)  Regional Road 4 (Taunton Road) 6.4 km (4.0 mi)
[Map 57]		 Ajax
Durham Regional Road 42
 Darlington–Clarke Townline  Regional Highway 2 (King Street)  Regional Road 4 (Taunton Road) 8.1 km (5.0 mi)
[Map 58]
Durham Regional Road 43
 Cochrane Street Dundas Street West  Regional Road 28 (Rossland Road West) 2.1 km (1.3 mi)
[Map 59]		 Whitby
Harwood Avenue Lake Driveway  Regional Highway 2 (Kingston Road) 4.7 km (2.9 mi)
[Map 60]		 Ajax
Durham Regional Road 45
 Henry Street  Regional Road 22 (Victoria Street) Dundas Street West 2.0 km (1.2 mi)
[Map 61]		 Whitby
Brock Street South Water Street  Highway 401 1.3 km (0.81 mi)
[Map 62]		 Whitby Continues north as Durham Regional Highway 12
Durham Regional Road 47
 Shore Line Road  Regional Road 23 (Mara Road) Durham–Simcoe boundary 2.0 km (1.2 mi)
[Map 63]
Portage Road, Canal Road, Durham Road 50 Ontario Highway 12 Durham Regional Highway 48 5.2 km (3.2 mi)
[Map 64]		 Brock Section from Regional Road 51 to just north of Trent-Severn Waterway was the Old Highway 12 before diverting to the west.
 Old Highway 12 / Talbot Road Talbot River  Regional Road 50 0.190 km (0.118 mi)
[Map 65]		 Brechin, Ontario, Beaverton, Ontario Continues south as Regional Road 50 and north as Simcoe County Road 51. Original route of Ontario Highway 12 over Talbot River before being re-routed to the west. Road ends where bridge crossing beyond Durham Region into Simcoe County.
Durham Regional Road 52
 Phillip Murray Avenue, Boundary Road, Thornton Road  Regional Road 54 (Park Road)  Regional Road 4 (Taunton Road) 7.8 km (4.8 mi)
[Map 66]
[Map 67]
[Map 68]		 Oshawa, Whitby Split into three sections; two sections are south of Highway 401 and the Canadian National Railway, while the northern section resumes on Thornton Road at Regional Road 25A (Champlain Avenue)
 Stevenson Road  Regional Road 52 (Phillip Murray Avenue)  Regional Road 28 (Rossland Road West) 6.4 km (4.0 mi)
[Map 69]		 Oshawa
Park Road  Regional Road 52 (Phillip Murray Avenue)  Regional Road 28 (Rossland Road West) 6.4 km (4.0 mi)
[Map 70]
[Map 71]		 Oshawa
Durham Regional Road 55
 Townline Road  Regional Road 59 (Olive Avenue)  Regional Road 4 (Taunton Road) 5.2 km (3.2 mi)
[Map 72]		 Oshawa, Courtice
Durham Regional Road 56
 Farewell Street Approx. 220 m south of Harbour Road  Regional Road 22 (Bloor Street East) 1.8 km (1.1 mi)
[Map 73]		 Oshawa
Waverley Road, Martin Road, Durham Road 57, New Scugog Road, Blackstock Road, Caesarea Road, Bowmanville Avenue  Highway 401 Durham–Kawartha Lakes boundary 41.9 km (26.0 mi)
[Map 74]
[Map 75]		 Bowmanville, Blackstock, Caesarea Continues east as Kawartha Lakes Road 57
Durham Regional Road 58
 Manning Road, Adelaide Avenue Brock Street  Regional Road 55 (Townline Road) 10.1 km (6.3 mi)
[Map 76]
[Map 77]		 Whitby, Oshawa Manning and Adelaide are separated at the Whitby–Oshawa boundary by the Mount Lawn Cemetery. Closing this gap is part of the Durham Region Transportation Master Plan.[4] There is also an environmental assessment underway for a planned eastern extension of Adelaide Avenue from  Regional Road 55 (Townline Road) to Trulls Road.[17]
Durham Regional Road 59
 Gibb Street, Olive Avenue  Regional Road 52 (Thornton Road)  Regional Road 55 (Townline Road) 6.6 km (4.1 mi)
[Map 78]
[Map 79]		 Whitby, Oshawa Gibb Street and Olive Avenue are separated at Regional Road 2 (Simcoe Street). This corridor has been identified as a bottleneck and an environmental assessment is underway to determine a solution.[18]
Durham Regional Road 60
 Wentworth Street  Regional Road 26 (Thickson Road South)  Regional Road 56 (Farewell Street) 5.5 km (3.4 mi)
[Map 80]
[Map 81]		 Whitby, Oshawa Wentworth Street is discontinuous between Stevenson Road and Park Road by the General Motors of Canada Oshawa Assembly Plant.

~

Notes

  1. ↑ In Ontario, all roads are legally known as highways. However, Road is the more prevalent term for common use. The Regional Municipality of Durham Act (1990), though now superseded by the Ontario Municipal Act (2001), defines both synonymously.[1] The Ontario Municipal Act defines a highway as any road, street or bridge that is not a Provincial Highway.[2]

References

  1. ↑ Regional Municipality of Durham Act, ss. 1, Government of Ontario, retrieved 2009-10-06
  2. ↑ Ontario Municipal Act, ss. 1 (1), Government of Ontario, retrieved 2009-10-06
  3. ↑ Highway 401 through Oshawa re-opened, Durham Region News, June 12, 2011, retrieved 2012-08-29
  4. 1 2 3 4 Planning Department, 2001 Durham Region Master Plan (PDF), Regional Municipality of Durham, p. 12, retrieved 2009-12-05
  5. 1 2 3 Works Department, Regional Roads, Regional Municipality of Durham, archived from the original on 2011-07-22, retrieved 2009-10-06
  6. ↑ Ontario Back Road Atlas, MapArt, 2010, ISBN 978-1-55198-226-7
  7. ↑ Works Department, Traffic speed control, Regional Municipality of Durham, retrieved 2009-12-05
  8. ↑ Works Department, Depots, Regional Municipality of Durham, retrieved 2009-10-05
  9. 1 2 Regional Municipality of Durham, Regional Roads List, archived from the original on 2020-06-15, retrieved 2020-06-14
  10. ↑ Commissioner of Works. The Regional Municipality of Durham Information Report (#2018-INFO-31) (PDF) (Report). Regional Municipality of Durham. Archived from the original (PDF) on 31 July 2019. Retrieved 23 July 2020.
  11. 1 2 MapArt (2010), Ontario Back Road Atlas, Peter Heiler Ltd., pp. 25, 31–32, 43
  12. ↑ Kawartha Lakes Maintenance Priority Classification System, Policy 123-EPW-009, Schedule B and C (PDF), city of Kawartha Lakes Public Works department, November 29, 2005, pp. 1, 5, archived from the original (PDF) on July 26, 2011, retrieved 2009-11-30
  13. ↑ Tracey Arial, Hiking in Ontario, 2005, p. 67
  14. ↑ Thomas Griffith Taylor, Canada: A Study of Cool Continental Environments and Their Effect on British and French Settlement, 1950, p. 474
  15. ↑ Leo A. Johnson, "Farewell, Abram", Dictionary of Canadian Biography Volume XI: 1881 to 1900, 1966, p. 311
  16. ↑ Contact Information, Scugog First Nation, retrieved 2010-01-03
  17. ↑ Works Department, Adelaide Avenue Extension Class EA (PDF), Regional Municipality of Durham, retrieved 2009-10-09
  18. ↑ Works Department, Gibb Street / Olive Avenue Connection Analysis (PDF), Regional Municipality of Durham, retrieved 2009-10-09

Route maps

  1. ↑ Google (23 July 2020). "Durham Regional Highway 2 (length and route of Toronto - Whitby section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  2. ↑ Google (23 July 2020). "Durham Regional Highway 2 (length and route of Oshawa - Bowmanville section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  3. ↑ Google (23 July 2020). "Durham Regional Highway 2 (length and route of Bowmanville - Newcastle section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  4. ↑ Google (23 July 2020). "Durham Regional Highway 2 (length and route of Newcastle - Port Hope section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  5. ↑ Google (23 July 2020). "Durham Regional Highway 12 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  6. ↑ Google (23 July 2020). "Durham Regional Highway 47 (length and route of western section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  7. ↑ Google (23 July 2020). "Durham Regional Highway 47 (length and route of eastern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  8. ↑ NAVTEQ (2010). Durham Regional Highway 48 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  9. ↑ Google (23 July 2020). "Durham Regional Road 1 (length and route of southern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  10. ↑ Google (23 July 2020). "Durham Regional Road 1 (length and route of northern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  11. ↑ Google (28 July 2020). "Durham Regional Road 2 (length and route of section south of R.R. 6)" (Map). Google Maps. Google. Retrieved 28 July 2020.
  12. ↑ Google (28 July 2020). "Durham Regional Road 2 (length and route of section north of Hwy. 7)" (Map). Google Maps. Google. Retrieved 28 July 2020.
  13. ↑ NAVTEQ (2010). Durham Regional Road 2A (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  14. ↑ Google (23 July 2020). "Durham Regional Road 3 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  15. ↑ NAVTEQ (2009). Durham Regional Road 4 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  16. ↑ NAVTEQ (2010). Durham Regional Road 5 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  17. ↑ NAVTEQ (2010). Durham Regional Road 6 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  18. ↑ NAVTEQ (2010). Durham Regional Road 7 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  19. ↑ Google (23 July 2020). "Durham Regional Road 8 (length and route of western section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  20. ↑ Google (23 July 2020). "Durham Regional Road 8 (length and route of eastern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  21. ↑ NAVTEQ (2010). Durham Regional Road 9 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  22. ↑ NAVTEQ (2009). Durham Regional Road 10 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  23. ↑ NAVTEQ (2010). Durham Regional Road 11 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  24. ↑ NAVTEQ (2010). Durham Regional Road 12 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  25. ↑ Google (23 July 2020). "Durham Regional Road 13 (length and route of western section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  26. ↑ Google (23 July 2020). "Durham Regional Road 13 (length and route of eastern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  27. ↑ Google (23 July 2020). "Durham Regional Road 14 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  28. ↑ NAVTEQ (2010). Durham Regional Road 15 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  29. ↑ NAVTEQ (2010). Durham Regional Road 16 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  30. ↑ Google (23 July 2020). "Durham Regional Road 17 (length and route of southern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  31. ↑ Google (23 July 2020). "Durham Regional Road 17 (length and route of northern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  32. ↑ NAVTEQ (2010). Durham Regional Road 18 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  33. ↑ NAVTEQ (2010). Durham Regional Road 19 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  34. ↑ NAVTEQ (2010). Durham Regional Road 20 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  35. ↑ NAVTEQ (2010). Durham Regional Road 21 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  36. ↑ NAVTEQ (2010). Durham Regional Road 22 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  37. ↑ Google (23 July 2020). "Durham Regional Road 23 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  38. ↑ NAVTEQ (2010). Durham Regional Road 24 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  39. ↑ Google (22 July 2020). "Durham Regional Road 25 (length and route of western section)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  40. ↑ Google (22 July 2020). "Durham Regional Road 25 (length and route of eastern section)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  41. ↑ Google (22 July 2020). "Durham Regional Road 25A (length and route)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  42. ↑ NAVTEQ (2010). Durham Regional Road 26 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  43. ↑ NAVTEQ (2010). Durham Regional Road 27 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  44. ↑ NAVTEQ (2010). Durham Regional Road 28 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  45. ↑ NAVTEQ (2010). Durham Regional Road 29 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  46. ↑ Google (28 July 2020). "Durham Regional Road 30 (length and route)" (Map). Google Maps. Google. Retrieved 28 July 2020.
  47. ↑ NAVTEQ (2010). Durham Regional Road 31 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  48. ↑ NAVTEQ (2010). Durham Regional Road 33 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  49. ↑ Google (23 July 2020). "Durham Regional Road 34 (length and route of southern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  50. ↑ Google (23 July 2020). "Durham Regional Road 34 (length and route of northern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  51. ↑ NAVTEQ (2010). Durham Regional Road 35 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  52. ↑ NAVTEQ (2010). Durham Regional Road 36 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  53. ↑ Google (29 July 2020). "Durham Regional Road 37 (length and route)" (Map). Google Maps. Google. Retrieved 29 July 2020.
  54. ↑ NAVTEQ (2010). Durham Regional Road 38 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  55. ↑ Google (28 September 2021). "Durham Regional Road 38 (Updated)" (Map). Google Maps. Google. Retrieved 28 September 2021.
  56. ↑ NAVTEQ (2010). Durham Regional Road 39 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2010-01-10.
  57. ↑ Google (23 July 2020). "Durham Regional Road 41 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  58. ↑ NAVTEQ (2009). Durham Regional Road 42 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  59. ↑ NAVTEQ (2009). Durham Regional Road 43 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  60. ↑ NAVTEQ (2009). Durham Regional Road 44 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  61. ↑ NAVTEQ (2009). Durham Regional Road 45 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  62. ↑ NAVTEQ (2009). Durham Regional Road 46 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  63. ↑ NAVTEQ (2009). Durham Regional Road 47 (length and route) (Map). Cartography by NAVTEQ. Bing Maps.
  64. ↑ NAVTEQ (2009). Durham Regional Road 50 (length and route) (Map). Cartography by NAVTEQ. Bing Maps.
  65. ↑ Google (23 July 2020). "Durham Regional Road 51 (length and route)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  66. ↑ Google (22 July 2020). "Durham Regional Road 52 (length and route of Phillip Murray Avenue section)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  67. ↑ Google (22 July 2020). "Durham Regional Road 52 (length and route of Boundary Road section)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  68. ↑ Google (22 July 2020). "Durham Regional Road 52 (length and route of Thornton Road section)" (Map). Google Maps. Google. Retrieved 22 July 2020.
  69. ↑ NAVTEQ (2009). Durham Regional Road 53 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  70. ↑ Google (23 July 2020). "Durham Regional Road 54 (length and route of southern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  71. ↑ Google (23 July 2020). "Durham Regional Road 54 (length and route of northern section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  72. ↑ NAVTEQ (2009). Durham Regional Road 55 (length and route) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-17.
  73. ↑ Google (29 July 2020). "Durham Regional Road 56 (length and route)" (Map). Google Maps. Google. Retrieved 29 July 2020.
  74. ↑ Google (23 July 2020). "Durham Regional Road 57 (length and route of Clarington - Blackstock section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  75. ↑ Google (23 July 2020). "Durham Regional Road 57 (length and route of Caesarea - Kawartha Lakes section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  76. ↑ Google (23 July 2020). "Durham Regional Road 58 (length and route of Manning Road section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  77. ↑ Google (23 July 2020). "Durham Regional Road 58 (length and route of Adelaide Avenue section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  78. ↑ Google (23 July 2020). "Durham Regional Road 59 (length and route of Gibb Street section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  79. ↑ Google (23 July 2020). "Durham Regional Road 59 (length and route of Olive Avenue section)" (Map). Google Maps. Google. Retrieved 23 July 2020.
  80. ↑ NAVTEQ (2009). Durham Regional Road 60 (length and route of eastern section) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-11.
  81. ↑ NAVTEQ (2009). Durham Regional Road 60 (length and route of western section) (Map). Cartography by NAVTEQ. Bing Maps. Retrieved 2009-12-11.
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