List of numbered roads in Durham Region


The numbered roads in the Regional Municipality of Durham account for about 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 owns and maintains the King's Highways in the region. The 67 numbered roads 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

The road network of the Regional Municipality of Durham consists of 832 kilometres of arterial roadway. 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.
In addition to the roads, there are 209 bridge and culvert structures currently maintained by the region. 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.

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

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. 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.

Numbered roads

Regional Highways

RouteNameWestern/Southern TerminusEastern/Northern TerminusLengthCommunitiesComments

Kingston Road, Dundas Street West, King AvenueToronto-Durham BoundaryDurham-Northumberland Boundary



Pickering, Ajax, Whitby, Bowmanville, NewcastleFormerly part of Highway 2, prior to January 1, 1998. Split into four sections; ends 800 meters east of Fothergill Court in Whitby, resumes at, and has two discontinuities in Clarington.

Brock Street North, Baldwin Street Rossland RoadGatineau hydro corridor, south of Highway 7 Whitby, BrooklinFormerly part of Highway 12, prior to January 1, 1998; continues north as Highway 12, south as Brock Street

Toronto Street South, Brock Street

Goodwood, UxbridgeFormerly part of King's Highway 47, prior to April 1, 1997. Continues west as. Discontinuous between First Avenue/Marietta Street and Fourth Avenue in Uxbridge.

-Durham-Kawartha Lakes boundaryTalbotFormerly part of King's Highway 48. Continues east as Kawartha Lakes Road 48.

Regional Roads

RouteNameWestern/Southern TerminusEastern/Northern TerminusLengthCommunitiesComments
Brock Road, Main Street Montgomery Park Road

Pickering, Uxbridge, Leaskdale, Udora
Simcoe Street, Durham-Victoria Boundary RoadHarbour Road Brock Concession Road 14

Oshawa, Columbus, Raglan, Port Perry, Seagrave, Sonya, ManillaSigned 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. Used originally by the Mississauga Indians to get to Osler Marsh. Later became the main highway to Port Perry, and was later extended to Beaverton. In the 1840s, Abram Farewell proposed maintaining the road with tolls, which were ultimately never imposed.
Brock Street West, Centre Street, Fairbanks Street
Oshawa
Winchester Road, Grandview Street North, Columbus Road, Darlington Concession 8
Brooklin, Enniskillen
Taunton Road
Pickering, Ajax, Whitby, Oshawa, ClaringtonContinues west as Steeles Avenue into Toronto
Central Street, Pickering Concession 9, Myrtle Road, Raglan Road
Pickering, Claremont, Whitby, Oshawa
Saintfield Road
Seagrave
Island RoadHood Road / Carnegie Beach Drive
Passes through the Mississaugas of Scugog Island First Nation reserve, and by the Great Blue Heron Casino.
Brock Street West, Main Street South, Reach Street

Uxbridge, Epsom, Port Perry, Ontario
Ganaraska RoadDurham-Northumberberland boundary
Kendal
River Street
Sunderland
Sandford Road
SandfordContinues west into York Region as Herald Road and Green Lane
Cameron Street
Cannington
Zephyr Road, Brock Concession 3

Zephyr, Leaskdale
Liberty Street
Bowmanville, Hampton
Simcoe StreetDurham-Victoria Boundary Road
BeavertonContinues east as Kawartha Lakes Road 8 in the City of Kawartha Lakes
Ritson Road
Oshawa
Mill Street, Main Street, Manvers Road

Newcastle
Newtonville Road
Newtonville, Kendal
Shirley Road
Mosport Road, Boundary Road, Durham Road 20
Church Street, Goodwood Road
Goodwood, Utica, ManchesterContinues east as Highway 7A towards Port Perry
Bayly Street, Victoria Street, Bloor Street
Pickering, Ajax, Whitby, Oshawa
Lakeridge Road, Osborne Street, Mara Road
Ajax, Whitby, Pickering, Vallentyne, Port Bolster, BeavertonLakeridge 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.
Church StreetCN rail line bridge south of
AjaxRegional Road 24 designation was retired from the CN Rail line towards in 2015.
Consumers Drive, Stellar Drive, Champlain AvenueBrock Street

Whitby, Oshawa
Champlain Avenue
Whitby, Oshawa
Thickson Road
Whitby, Brooklin
Altona Road
Pickering, Whitevale
Rossland Road
Whitby, Oshawa
Liverpool Road
Pickering
York-Durham Line /
Stouffville, Mount AlbertContinues east as
Westney Road
Ajax, Greenwood
Harmony Road
Oshawa
Courtice Road, Enfield Road / Service Road East

Courtice
Wilson Road
Oshawa
Hopkins Street, Anderson Street
Whitby
Finch Avenue
Pickering
Whites RoadPetticoat Creek Conservation Area
Pickering
Scott Concession 3, Durham Road 39
ZephyrContinues south as
Salem Road
Ajax
Darlington-Clarke Townline
Cochrane StreetDundas Street West
Whitby
Harwood AvenueLake Driveway
Ajax
Henry StreetDundas Street West
Whitby
Brock Street SouthWater Street
WhitbyContinues north as Durham Regional Highway 12
Shore Line RoadDurham-Simcoe boundary
Portage Road, Canal Road, Durham Road 50Ontario Highway 12Durham Regional Highway 48
BrockSection 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 RoadTalbot River
Brechin, Ontario, Beaverton, OntarioContinues 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.
Phillip Murray Avenue, Boundary Road, Thornton Road


Oshawa, WhitbySplit into three sections; two sections are south of Highway 401 and the Canadian National Railway, while the northern section resumes on Thornton Road at
Stevenson Road
Oshawa
Park Road

Oshawa
Townline Road
Oshawa, Courtice
Farewell StreetApprox. 220 m south of Harbour Road
Oshawa
Waverley Road, Martin Road, Durham Road 57, New Scugog Road, Blackstock Road, Caesarea Road, Bowmanville AvenueDurham-Kawartha Lakes boundary

Bowmanville, Blackstock, CaesareaContinues east as Kawartha Lakes Road 57
Manning Road, Adelaide AvenueBrock Street
Whitby, OshawaManning 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. There is also an environmental assessment underway for a planned eastern extension of Adelaide Avenue from to Trulls Road.
Gibb Street, Olive Avenue

Whitby, OshawaGibb Street and Olive Avenue are separated at. This corridor has been identified as a bottleneck and an environmental assessment is underway to determine a solution.
Wentworth Street

Whitby, OshawaWentworth Street is discontinuous between Stevenson Road and Park Road by the General Motors of Canada Oshawa Assembly Plant.

Route maps