List of numbered roads in York Region

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York Region, located in southcentral Ontario, Canada, assigned approximately 50 regional roads, each with a number ranging from 1 to 99. All expenses of York Regional Roads (for example, snow shovelling, road repairs, traffic lights) are funded by the York Region government. Several new roads were assumed by the region include King–Vaughan Town Line and Kirby Sideroad.

Roads on Georgina Island are maintained by Chippewas of Georgina Island First Nation despite the island being within York Region.

Georgina Island[]

The main arterial road is a series of different named roads:

• Bear Road - runs along south side of Georgina Island
• Chief Joseph Snake Road - runs along western side of Georgina Island and transitions to Loon Road at northern tip
• Loon Road - runs along eastern side of Georgina Island and transitions to Chief Joseph Snake Road at northern tip

Boundaries of York Region[]

• Steeles Avenue marks the York Region/Toronto boundary
• York–Durham Regional Road 30 (York–Durham Line), York Regional Road 32 (Ravenshoe Road), and Durham Region Road 23 (Lake Ridge Road) marks the York Region/Durham Region boundary
• York Regional Road 24 (or Peel Regional Road 50) marks the York Region/Peel Region boundary
• Highway 9 and Holland River form the York Region/Simcoe County boundary

Georgina Island, Fox Island and Snake Island are within York Region, but are also part of the Chippewas of Georgina Island First Nation.

Regional Roads[]

Regional road #	Proper Name[1]	Western/Northern terminus	Eastern/Southern terminus	Municipality(ies) within York Region	Additional notes/Traffic
	Yonge Street	York Region/Simcoe County boundary	Steeles Avenue	Markham, Vaughan, Richmond Hill, Aurora, Newmarket, East Gwillimbury	Formerly Highway 11. Very busy road with a lot of traffic (especially in Richmond Hill, Markham, and Vaughan). The Viva Blue BRT line runs on Yonge Street.
	Kennedy Road	Lake Drive East in Georgina	Steeles Avenue	Markham, Whitchurch–Stouffville, East Gwillimbury, Georgina	Continuation of Kennedy Road in Toronto. Before renaming it was signed as 6th Line. Former sections of Kennedy before the present alignment include Old Kennedy Road, Fresno Circuit, and Main Street Unionville. Section bypassing Main Street Unionville was briefly named Unionville By-pass. York Regional Road status was interrupted between Davis Drive (continues briefly north to dead end) and Herald Road.[2] The interruption due to the existence of the Bendor and Grave Tract (York Regional Forest), created by re-forestation of developed land acquired by the province beginning in 1924.[3] Pheasant Run Golf Course's eastern end overlaps roadway.
	Keele Street	Lloydtown-Aurora Road	Steeles Avenue	Vaughan, King	Continuation of Keele Street in Toronto. Unsigned road continues north of Lloydtown-Auroa Road as to King Street then becomes 4th Concession Road ending just before the Holland River. Briefly across the Holland River is a short roadway called Keele Lane which end shortly at Tornado Road.
	Highway 7	York Region/Peel Region Boundary	Reesor Road	Vaughan, Richmond Hill, Markham	This route is a heavily travelled route, especially between Highway 400 and McCowan Road in Vaughan, Richmond Hill, and Markham. Most of Viva Purple and Viva Pink run on Highway 7. This route was part of Ontario Highway 7 before the 1997 downloadings. Portions in Markham was once called Wellington Street (short section exists south of 7 at Markham Road). Ontario Highway 7 continues east of Reesor Road.
	Woodbine Avenue Woodbine Bypass	Lake Drive North in Georgina	Steeles Avenue	Markham, Whitchurch–Stouffville, Georgina	Formerly connected with Woodbine Avenue in Toronto which later became Highway 404. Intersection of Woodbine Avenue and Elgin Mills Road was realigned. The Woodbine Avenue By-Pass opened on November 15, 2010.[4][5] Connects with Highway 404 south of Steeles with southbound onramps. Several former road stub exists with new name after re-alignment, Union Street, in Gormley south of Stouffville Road.
	Baseline Road	Woodbine Avenue	Dalton Road	Georgina	The road as an undersigned York Regional Road number #88, which makes it the second highest numbered York Regional Road.[1] Road name derived from early road surveying commonly used in 19th and 20th Century in Ontario.
	Dalton Road Main Street Sutton (High Street)	Lake Drive East	Ontario Highway 48	Georgina	Two of the roads passes through the centre of the village of Sutton, Ontario. Richard Dalton was landowner in nearby Virginia located near the Roman Catholic Church along the route from Highway 48 east of Sutton.[6]
	King Road	York Region/Peel Region Boundary	Yonge Street	Richmond Hill, King	It passes through King City, Nobleton and Oak Ridges. Named for Major John King, British Under-Secretary of State. Formerly 14th Sideroad.
	Don Mills Road Leslie Street The Queensway South	Metro Road South and Morton Avenue	Steeles Avenue	Markham, Richmond Hill, Aurora, Newmarket, East Gwillimbury, Georgina	Leslie Street has new commercial and industrial areas in Richmond Hill Don Mills Road replaces Leslie Street from John Street-Steeles Avenue The Queensway passes through the centre of Keswick. Declared to Main Street Keswick in the future. Leslie Street is continuation of Leslie Street in Toronto but sections to Steeles broken due to geography including (German Mills Park, Duncan Creek) and existing German Mills residential area; section from Steeles to slightly north of Simonston Boulevard was once part of German Mills Road, which still exists as a local road. The section of Leslie from Steeles to Waterloo Court was not signed or part of regional road. All sections of Leslie in Markham were once signed as 3rd Line.[7]
	Mount Albert Road Bradford Street	Holland Landing Road	York–Durham Line	East Gwillimbury	Connects Holland Landing, Sharon and Mount Albert
	Stouffville Road Main Street Stouffville King–Vaughan Line	Pine Valley Drive	York–Durham Line	Richmond Hill, Whitchurch–Stouffville	It passes through the centre of Gormley and Stouffville. It is one of the busiest rural roads in York Region. Named for Stouffville founder Abraham Stouffer. Regional Road status interrupted between Bathurst and Yonge Streets.[1] Formerly as known as Whitchurch Town Line before merger of Whitchurch-Stouffville.
	Wellington Street Aurora Road	Dufferin Street	York–Durham Line	King, Aurora, Whitchurch–Stouffville	Passes through the centre of Aurora. The Aurora GO Station can also be found on this road. Follows or formerly known as 17th Sideroad.
	Lloydtown-Aurora Road	Highway 27	Bathurst Street	King	Accessible to Highway 400, links Aurora and Lloydtown. From Highway 27 to 8th Concession it follows the 19th sideroad. At the 8th, to avoid Pottageville swamp, it curves diagonally southwards until it reaches 7th Concession road. From the 7th to 5th Concession Road (Jane St), it runs roughly due east, between sideroads. At Jane St, it turns south until it reaches the former 18th sideroad. Turning east again, it follows the former 18th to Dufferin (3rd Concession). At Dufferin, it turns east, running on 17th sideroad.
	Islington Avenue	Major Mackenzie Drive	Steeles Avenue	Vaughan	Continuation of Islington Avenue in Toronto. Because this road is along the Humber River, this road is very steep at times and contains a lot of curves. North of Major Mackenzie the road is not signed and merges with Highway 27 north of Nashville Road.
	Park Road	Hedge Road in Georgina	Ravenshoe Road	Georgina	The road passes through Sibbald Point Provincial Park, and accessible to Highway 48
	Green Lane	Bathurst Street	Woodbine Avenue	East Gwillimbury	Former northern terminus of Hwy 404, on which it is marked as a truck route to Highway 400. Not to be mistaken for road of the same name in Thornhill, Ontario.
	Pefferlaw Road	Highway 48	Lake Ridge Road (York Region/Durham Region Boundary)	Georgina	Passes through the centre of Pefferlaw
24	Highway 50	Peel Regional Road 14 (Mayfield Road)	Steeles Avenue	Vaughan	Formerly Highway 50. Signed only as Peel Road 50. Forms the boundary between York Region and Peel Region.
	Major Mackenzie Drive	York Region/Peel Region boundary	York–Durham Line	Vaughan, Richmond Hill, Markham	Formerly a rural road, but urban sprawl in Markham and Vaughan has turned this road into an urban thoroughfare. Named after Major Addison Alexander "Lex" Mackenzie, a former provincial politician and First World War veteran.[8]
	St. John's Sideroad 18th Sideroad	Bathurst Street	Woodbine Avenue	Aurora, Whitchurch–Stouffville	No access to Highway 404 with overpass only.
	Highway 27	Highway 9 or York Region/Simcoe County boundary	Steeles Avenue	Vaughan, King	Formerly Highway 27 (referred to as Highway 27 in Toronto, and Simcoe County Road 27 in Simcoe County). In Vaughan and King, it generally follows the formerly 9th Concession road.
	Gamble Road 19th Avenue Kirby Road	Bathurst Street	Leslie Street	Richmond Hill, Markham, Vaughan	One of the rural roads in York Region, and extending Kirby Road to Bathurst. Portion named for former York County Warden John William Gamble. Kirby likely named for settler Nathaniel Kirby.[9] Kirby Road running from Dufferin to Albion-Vaughan Road, will likely become part this regional road in the future. In 2019, Gamble Road was realigned at Leslie Street to compensate for old surveying errors, to create a continuous routing.[10]
	York��Durham Line (Also Durham Regional Road 30)	Queensville Sideroad in East Gwillimbury	Steeles Avenue	Markham, Whitchurch–Stouffville, East Gwillimbury	Separates Durham Region and York Region. North of East Gwillimbury road continues as Concession Road 1 and Miles Road terminating at Highway 48 in Baldwin; south of Steeles/Taunton Road continues as Scarborough-Pickering Townline terminating at Finch Avenue East.
	Davis Drive (Formerly Provincial Highway 9)	Highway 400	York–Durham Region boundary	Newmarket, East Gwillimbury, Whitchurch–Stouffville	One of the busiest rural roads in York Region, separates East Gwillimbury and Whitchurch–Stouffville. Road is still referred to as Davis Drive east into Durham Region. Named for the Davis Leather Company (moved to area by Andrew Davis, son of the founder of Lowell Tannery of King Township and later ran by son Elihu James Davis and Aubrey Davis).[11][12] West of Highway 400 the road resumes old signage of Highway 9.
	Ravenshoe Road	Holland River at a dead end	Lakeridge Road (Durham Regional Road 23)	Georgina	Runs from southeast of Keswick to Udora. Thomas and William Glover operated Ravenshoe Hotel on the roadway.[13]
	Glenwoods Avenue	The Queensway South	Woodbine Avenue	Georgina	One of the busiest roads of Keswick, from the Queensway South-Woodbine Avenue
	Bayview Avenue Prospect Street 2nd Concession Road	Queensville Sideroad	Steeles Avenue	Markham, Richmond Hill, Aurora, Newmarket	Very busy with a lot of traffic especially in Markham and Richmond Hill. In Newmarket, a handful of York Region's government buildings can be found. The route is a continuation of Bayview Avenue in Toronto. Regional road status is interrupted between Davis Drive and Green Lane.[1]
	Bathurst Street	York Regional Road 1 (Former Ontario Highway 11) / Holland Landing Road	Steeles Avenue	Vaughan, King, Newmarket	The road was interrupted by the natural landscape in King where Old Bathurst Street runs further west and south of Mulock Drive. Formerly Second Concession road. Continuation of Bathurst Street in Toronto.
	Bloomington Road / 15th Sideroad	Keele Street	York–Durham Line	Richmond Hill, Whitchurch–Stouffville	East of Bloomington, it was formerly Highway 47, one of the busiest rural roads in York Region West of Bloomington it follows 15th Sideroad. Named for the hamlet of Bloomington in Stouffville.
	Doane Road	Yonge Street	Woodbine Avenue	East Gwillimbury	Runs from Holland Landing to south of Queensville. While not part of Regional Road 50, Doane Road exists in two secions: West of Yonge Doane Road West ends at East Branch of the Holland River and east of Woodbine Avenue runs to McCowan Road with break and continues from east of Highway 48 to York-Durham Townline. Named for Ebenezer Doane, Quaker settler in Newmarket and related to John Doane.[14]
	Donald Cousens Parkway	Major Mackenzie Drive	Steeles Avenue	Markham	The road was built for trucks that have now been banned from Main Street Markham. Formerly called Markham Bypass from the 1980s to 1990s, the road is now named after the former mayor of Markham, Donald Cousens. The road is expected to be extended to Highway 48 in the future, with construction planned to start in 2026.[15]
	Elgin Mills Road Teston Road Nashville Road	York Region/Peel Region Boundary (Peel Regional 50 / York Regional Road 24)	Woodbine Avenue	Vaughan, Richmond Hill, Markham	York Regional Road status was interrupted between Highway 27 and Pine Valley Drive, and also between Keele Street and Dufferin Street. Elgin Mills was a post office established in Richmond Hill in 1900 and named for James Bruce, 8th Earl of Elgin.[16] Non-regional road section of Elgin Mills runs from Woodbine east to York-Durham Town Line (ends in Mongolia, Ontario). Road was also referred to as Peaches Sideroad as it passed through Peaches located at McCowan Road and Elgin Mills Road.
	Yonge Street	Queensville Sideroad	Yonge Street	East Gwillimbury	The road passes through the centre of Holland Landing and is a bypassed (to through traffic) section of Yonge Street. Continuation of Yonge Street from southern York Region.
	Dufferin Street	Lloydtown-Aurora Road/18th Sideroad	Steeles Avenue	King, Vaughan	Sometimes referred to as 3rd Concession Road. Continuation of Dufferin Street in Toronto. As non-regional road Dufferin runs north and ends at Holland Marsh.
	Jane Street	Highway 9	Steeles Avenue	King, Vaughan	Two of the first TTC subway stations outside the City of Toronto are located on/near Jane Street. Near the location of the future Downtown Vaughan. Formerly the 5th Concession Road. Continuation of Jane Street in Toronto.
	Weston Road	Highway 9	Steeles Avenue	King, Vaughan	Formerly the 6th Concession Road. Continuation of Weston Road in Toronto. A short stub called Old Weston Road was the former alignment of the roadway that was removed to align with the Toronto section of the road. Non-regional road section of Weston Roads ends north of Highway 9 at Woodchoppers Lane.
	Pine Valley Drive	Teston Road	Steeles Avenue	Vaughan	Pine Valley Drive's York Regional Road status was interrupted between Langstaff Road and Rutherford Road
	Warden Avenue	Baseline Road	Steeles Avenue	Markham, Whitchurch–Stouffville, East Gwillimbury	Passes through the centre of the developing Downtown Markham. Several traffic lights cause traffic to jam frequently up between Apple Creek and Highway 7. Continuation of Warden Avenue in Toronto. Before renaming it was signed as 5th Line.
	McCowan Road	Southern segment - Bloomington Road/York Regional Road 40; Northern segment - Ravenshoe Road/York Regional Road 32	Southern segment - Steeles Avenue; Northern segment - Davis Drive/York Regional Road 31. Before renaming it was signed as 7th Line.	Markham, Whitchurch–Stouffville, East Gwillimbury, Georgina	Continues from McCowan Road in Toronto from the southern border at Steeles Avenue to Baseline Road (York RR 8A) in Georgina in the north, a distance of some 53 kilometres (33 mi), with one break of about 250 metres (820 ft) in the middle of the concession between St. John's Sideroad in the south and Vivian Road (York RR 74) in the north because of a gorge of a tributary of the Black River. The entire length is signed as McCowan Road, but officially as York Regional Road 67 for only two segments: the southern segment, between Steeles Avenue in the south and Bloomington Road/York RR 40 in the north; and the northern segment, between Davis Drive/York RR 31 in the south and Ravenshoe Road/York RR 32 in the north.
	Markham Road Main Street Markham	Highway 407	Steeles Avenue	Markham	Formerly Highway 48 (downloaded in 1997), the road becomes Highway 48 after Major Mackenzie Drive. Continuation of Markham Road in Toronto and from Steeles Avenue north to Highway 407 in Markham. Signed as Main Street Markham North north of Highway 7 and Main Street Markham South south of Highway 7.
	Ninth Line	Aurora Road	Steeles Avenue	Markham, Whitchurch–Stouffville	Was at once considered for an expressway. 9th Line borders Cornell and is now changing from a rural road to somewhat of an urban thoroughfare due to urban sprawl, especially in Cornell. Road breaks at Copper Creek Drive after re-alignment in 2006-2007 and continues due west at Rouge Bank Drive to a dead end south of Sanders Drive near Donald Cousens Parkway; southern portion continues via deteour on Donald Cousens southwest then south at the hydro lines to traffic light at Steeles Avenue East along the Toronto-York Region border. Jog north of Donald Cousens will be likely be eliminated by future road work by the region. The name Ninth Line is the original assignment provided in the 1793-1794 surveying.[17] North of Aurora Road Ninth Line continues as local road to Vivian Creek Road and ends as a driveway into Mount Albert water tower. Sometimes referred to as 9th Concession Road.
	14th Avenue Centre Street	Highway 7	York–Durham Line	Markham, Vaughan	York Regional Road status interrupted between Warden Avenue and Bathurst Street. West of Warden Avenue it briefly is signed as and resumes by turning north at lights at . 14th Avenue ends at dead end at Highway 404 but section west of Woodbine was rerouted at a southwest angle. Former route west of 404 once ended at Leslie Street but was removed as residential area appeared. While a short section now called 14th Lane appears to be a stub of the old road allowance but aerial maps suggests Tanglewood Trail and parts of Lyndhurst Drive to Bronte Road are the former route. There are two sections of roadway re-routed: at Donald Cousens former section now a pathway ending at railway tracks (crossing marking removed); section west of Markham Road leads into plaza with signage as Old 14th Avenue. Centre Street begins at Yonge Street and heads westward and bends north after Dufferin Street to end at Highway 7. Although a partial section of Green Lane follows alignment of both 14th Avenue and Centre Street, but it is not part of Regional Road 71. The portion between Highway 7 and Dufferin Street has the unposted designation of Ontario Kings Highway 7195.
	Langstaff Road	York Region/Peel Region boundary	Highway 7	Vaughan	The road is interrupted twice. The first time is between Keele Street and Jane Street because of the CN rail yard. The second time is between Islington Avenue and Highway 27 because of the Humber River. Road likely linked to settler John Langstaff, who's property along with Yonge Street which later became Langstaff Farm Jail.[18]
	16th Avenue Carrville Road Rutherford Road	York Region/Peel Region boundary	York–Durham Line	Vaughan, Richmond Hill, Markham	One of the busiest roads in York Region. It is often congested during rush hours in the vicinity of Vaughan Mills mall in Vaughan and between Kennedy Road and Warden Avenue in Markham. Road connects with Castlemore Road west of Highway 50 (now Peel Regional Road 50) in Brampton, then as Bovaird Drive (Peel Regional Roads 10 and 107) within Peel Region. In Halton Region (near Norval), the road continues west into Georgetown as the western segment of Highway 7.
	Mulock Drive Vivian Road	Bathurst Street	York–Durham Line	Newmarket, Whitchurch–Stouffville	Passes through the Newmarket Theatre. Road likely to have been named for former Newmarket resident Sir William Mulock. Follows or formerly 19th Sideroad.
	Morton Avenue	The Queensway South	Woodbine Avenue	Georgina
	Queensville Sideroad	Bathurst Street	Woodbine Avenue	East Gwillimbury	Connects River Drive Park, Holland Landing and Queensville.
	Metro Road	The Queensway South	Dalton Road	Georgina	Built on the former railway of the Toronto and York Radial Railway, it passes through the centre of the community of Keswick
	Old Homestead Road Station Road	Metro Road North	Pefferlaw Road	Georgina	Former centre in northern Georgina, leads to the village of Pefferlaw.
	Black River Road	Dalton Road	Park Road	Georgina	Named after Black River in Jackson's Point, Ontario
	Weir's Sideroad	Old Homestead Road	Ravenshoe Road	Georgina	Passes through the village of Virginia and the village of Pefferlaw.
	Victoria Road	Ravenshoe Road	Lake Ridge Road (York Region/Durham Region Boundary)	Georgina	This was also declared as Durham Road 1, north of Ravenshoe Road.
	Holland Landing Road	Yonge Street	Toll Road	East Gwillimbury	Passes through the centre of Holland Landing, on the west side of the Holland River East branch.
99(Defunct)	"Highway 427"	Zenway Boulevard	North end of Highway 427 at Highway 7	Vaughan	Former York Region-built non-freeway extension of Highway 427. Ran 700 m (2,300 ft) north from Highway 7 to Zenway Drive. Closed and removed August 8, 2020 due to construction to tie in existing Highway 427 lanes to extension work ahead of the freeway's completion (opened Sept 2021).[19] [20]

References[]

• MapArt Golden Horseshoe atlas Pages 300-399