Ontario Highway 6

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Highway 6

Garafraxa Road
A map of Highway 6
Route information
Maintained by the Ministry of Transportation of Ontario
Length472.4 km[1] (293.5 mi)
ExistedJune 1920[2]–present
Major junctions
South endSt. Patrick Street in Port Dover
Major intersections Highway 3Jarvis
 Highway 403Ancaster
 Highway 401Morriston
 Highway 7Guelph
 Highway 89Mount Forest
 Highway 10Chatsworth
  Highway 21 / Highway 26Owen Sound
North end Highway 17McKerrow
Major citiesHamilton, Guelph, Owen Sound
TownsPort Dover, Jarvis, Hagersville, Caledonia, Ancaster, Aberfoyle, Fergus, Arthur, Mount Forest, Durham, Chatsworth, Shallow Lake, Wiarton, Tobermory, Little Current, Espanola
Highway system
Highway 5 Highway 7

King's Highway 6, commonly referred to as Highway 6, is a provincially maintained highway in the Canadian province of Ontario. It crosses a distance of 480 km (300 mi) between Port Dover, on the northern shore of Lake Erie, and Espanola, on the northern shore of Lake Huron, before ending at the Trans-Canada Highway (Highway 17) in McKerrow.[3]

Highway 6 was one of several routes established when Ontario first introduced a highway network on February 26, 1920, following several pioneer wagon trails. The original designation, not numbered until 1925, connected Port Dover with Owen Sound via Hamilton and Guelph. When the Department of Highways (DHO) took over the Department of Northern Development (DND) in 1937, Highway 6 was extended north through the Bruce Peninsula to Tobermory. In 1980, the entire length of Highway 68 on Manitoulin Island and north to Highway 17 became a northern extension of Highway 6. Small modifications were made to the route of Highway 6 in 1997, but it was largely untouched by provincial downloading.

Highway 6 is one of two highways in Ontario (the other being Highway 33) broken into two segments by a ferry. The Chi-Cheemaun ferry serves automobile traffic, connecting Tobermory with South Baymouth between May and October.

Route description

Looking south on Highway 6 through the La Cloche Mountains near Whitefish Falls

Port Dover to Hamilton

Highway 6 begins at Saint Patrick Street in the community of Port Dover, and stretches northward as a two-lane, undivided highway. The road travels into Haldimand County, through communities such as Jarvis and Hagersville, and the traffic flow increases. At Caledonia, the road bypasses the former Highway 6 section (Argyle Street) that passes the town centre of Caledonia and is routed outside the urban area Caledonia. This Caledonia Bypass was opened in 1983, and is a two-lane undivided freeway. The bypass terminates at Green's Road on the north side of Caledonia and Highway 6 proceeds eastbound on Green's Road for approximately 500 metres to Argyle St. North. Highway 6 then turns north on a four-lane undivided alignment for 5 km. Much of the old alignment north to near Rymal Road remains provincially maintained as unsigned Highway 7273. In Hamilton, Highway 6 now uses a new alignment from Highway 403 to south of the Hamilton Airport, connecting with the southerly leg to Caledonia and Port Dover. The new alignment opened as an undivided two-lane freeway in November 2004; it is expected to expand to a full 4-lane divided highway, and to extend to past Caledonia, by some time in the 2010s. As the road meets Highway 403, Highway 6 merges with Highway 403, and there is a concurrency for 17 kilometres within Hamilton. The concurrency ends at the Highway 6 junction, at the Hamilton/Burlington boundary, near the Royal Botanical Gardens where Highway 6 turns northward.[4][5]

Hamilton to Guelph

Though most of the route is five lanes — two travel lanes in each direction, plus one centre lane for left turns — the section in Wellington County from Puslinch to Morriston has remained two lanes because of its route through several small towns and a lack of available property for widening; this area therefore suffers from significant congestion. A new alignment, connecting to the Hanlon Expressway at Highway 401, is being considered to bypass this troubled section. The section where Highway 6 is concurrent with Highway 401 has the highest AADT (Annual Average Daily Traffic), at 85,000 automobiles per day in 2002. High travel speeds in the five-lane section, and typical flow varies between 100 and 120 km/h (62 and 75 mph).[4][5]

The section of Highway 6 between Highway 403 in Hamilton and Clappison's Corners (the intersection at Hwy 5 West) was converted in 2009 to a controlled access freeway with an interchange at York Road. The interchange opened on May 23, 2009, and simultaneously, the intersection where Northcliffe/Plains Road met Highway 6 was closed permanently. (A new service road was built on either side to connect Plains Road and various other residential streets to the York Road interchange.) This section of Highway 6 has two southbound lanes and three northbound, the extra lane being for trucks climbing the steep escarpment, as well as high mast lighting and a full concrete median barrier.[4][5]

In Guelph, the road travels along the full length of the Hanlon Expressway - a 4-lane, controlled access and divided highway with mostly signalized level intersections. The Ministry of Transportation is presently investigating the possibility of changing these intersections into grade-separated interchanges. For 4 km Highway 6 is concurrent with Highway 7, from the Wellington Street interchange north to where the Hanlon Expressway ends at Woodlawn Road. At Woodlawn, Highway 7 turns west onto Woodlawn Road, while Highway 6 turns east onto Woodlawn Road. Following Woodlawn, Highway 6 then turns north onto Woolwich Street, leaving the city of Guelph.[4][5]

Guelph to Owen Sound

Highway 6 begins its concurrency with Highway 21 in Springmount, east of Owen Sound. The two highways form the only wrong-way concurrency in the provincial highway network.

As Highway 6 leaves Guelph and heads northwards through Wellington County, it narrows to two lanes and passes through farmland. The route meanders northward for 17 kilometers (11 mi) before entering Fergus, where it meets County Road 18 and County Road 19. North of Fergus, Highway 6 winds northwest for another 17 kilometres into Arthur meeting County Road 109 (former Highway 9) just south of the town. After exiting Arthur, the route continues northwest for 22 kilometers (14 mi) before entering Mount Forest and meeting an intersection with Highway 89.[4][5]

The route enters Grey County as it curves and meanders northward into farmland. It progresses north for another 22 kilometres to Durham, where it intersects Highway 4. It continues for another 31 kilometers (19 mi) to Chatsworth, where it meets Highway 10 and travels northward concurrent with Highway 10 for 13 kilometers (8.1 mi) into Owen Sound. There it encounters an intersection, where Highway 10 ends; from here, Highway 26 continues runs north and then east to Collingwood and Barrie, while Ontario Highway 21 travels east and then south towards Sarnia. Highway 6 turns west onto Highway 21, forming the only wrong-way concurrency in Ontario (Highway 6 westbound traffic is labelled as going north, while Highway 21 westbound traffic is labelled as travelling south). The two routes pass through downtown Owen Sound and onwards into Springmount, where they disembark from one-another; Highway 21 continues west, while Highway 6 turns north into the Bruce Peninsula.[4][5]

Highway 6 looking south near Wiarton.

Owen Sound to Tobermory

At Springmount, Highway 6 ends its concurrency with Highway 21, and continues northwards into the Bruce Peninsula. The road remains as a two-lane highway for its full length up to Tobermory. Highway 6 spans 110 kilometers (68 mi) across the peninsula. It passes through communities such as Shallow Lake, Hepworth, Wiarton, and Ferndale. It is named Berford Street in Wiarton, and 10th Street in Owen Sound. Along the road, Bruce Peninsula National Park can be found.[4][5] At Tobermory, the highway travels along Carlton Road and Front Street, where motorists must queue for the Chi-Cheemaun ferry to continue onwards to Manitoulin Island. The journey by ferry traverses waters of both Georgian Bay and Lake Huron, and takes approximately 1 hour and 45 minutes.[6] The ferry service is not available from mid-October to early May.[7]

South Baymouth to McKerrow

Chi-Cheemaun docking at Carlton Street
Looking south from the northern terminus of ON6

The Chi-Cheemaun ferry docks at South Baymouth, and Highway 6 continues as a two-lane highway. Highway 6 is both the main means of connection between Manitoulin Island and the rest of Ontario and the major highway on Manitoulin Island. Highway 540 and Highway 542 on Manitoulin Island link back to Highway 6. The section from South Baymouth to the Highway 542 junction has the least traffic on a given day, with an average of 610 vehicles passing as measured in 2010.[1][4][5]

Highway 6 continues north, passing through communities such as Manitowaning, Sheguiandah, and Little Current. At Little Current, Highway 6 crosses the North Channel by the Little Current Swing Bridge,[4][5] which swings open for 15 minutes of each daylight hour in the summer to allow boats to pass through the channel. As of 2021, studies by the MTO have proposed replacing the aging structure with a two-lane crossing.[8]

After crossing the North Channel, Highway 6 climbs through the La Cloche Mountains near Whitefish Falls. Eventually, it arrives in Baldwin, north of Espanola, ending at Highway 17 in the community of McKerrow, 117 kilometers (73 mi) from South Baymouth.[1][4][5]


Wagon trails

Prior to the establishment of Ontario's provincial highway network in 1920, the route that would become Highway 6 was composed of several early wagon trails created during the early settlement of what was then known as Upper Canada. These trails carved through an otherwise barren wilderness, connecting distant townsites: the Hamilton–Dover Plank Road between Port Dover and Hamilton, the Brock Road between Hamilton and Guelph, and the Garafraxa Road between Guelph and Sydenham (renamed to Owen Sound in 1851) — were opened in the 1830s and 1840s. Further north, the Southwest Diagonal and the Centre Road were built through the Bruce Peninsula in the 1840s and 1920s, respectively.[9][10]

In 1837, Charles Rankin was hired by the Canada Company to survey a line between Guelph and a new town site on the southern shore of Georgian Bay known as Sydenham. The Canada Company was formed by several British investors to purchase, open, and settle the Huron Tract, a vast wilderness stretching from Guelph north to Georgian Bay and west to Lake Huron. Rankin's line crossed too many natural obstacles, a result of the tendency to build roads that were straight rather than following the natural topography. Consequently, a new line was surveyed in 1840 by the company's own surveyor, John McDonald, and construction along this new route began. Around the same time, the Van Norman Company constructed a plank road between Port Dover and Hamilton known as both the Hamilton Plank Road and the Dover Road.[11][12] By 1848, the 119 km (74 mi) Garafraxa Road between Guelph and Sydenham was completed.[13][14]

The remaining section between Hamilton and Guelph, known as the Brock Road, was constructed between 1848 and 1850 over the Guelph and Dundas wagon road.[15] The wagon road, merely a trail through the forest, was cleared by the Canada Company in the 1820s to connect the fledgling town of Guelph with the established harbour at Hamilton, thus encouraging settlers to venture inland.[16]

Further north, the Southwest Diagonal was surveyed in 1842 by Charles Rankin to provide a short route from the Sydenham townsite to the Hepworth townsite. This route passed through a large swamp and as a result remained an unimproved one lane trail into the 1920s. The Centre Road, the spine of the Bruce Peninsula, was built by the Department of Northern Development in the early 1920s, providing access to communities north of Wiarton. The route followed a telegraph line between Lion's Head and Tobermory and opened up a large area previously accessible only by water.

The latter two would not be incorporated into the original route of Highway 6.

Provincial highway

"A black and white photo of a cement roadway taken from its centre. To the left of the roadway are telephone poles; a cleared field is visible on the left. To the right of the roadway is a row of mature evergreen trees. There is no traffic in the image"
Highway 6 south of Guelph in 1921

When Ontario's Department of Public Highways first established a network of provincial highways on February 26, 1920 to be eligible for federal funding, it included the Hamilton and Dover Plank Road, the Brock Road and the Garafraxa Road.[17] These roads were assumed from the various counties that held jurisdiction over them – Norfolk, Haldimand, Wentworth, Wellington and Grey – throughout June, July and August 1920.[2]

Within Wentworth County, the construction of the Clappison Cut through the Niagara Escarpment was underway by 1921, with the aim of bypassing the winding old route that is known today as Old Guelph Road.[18] The new route, which travelled straight along the boundary between East and West Flamboro, was assumed on January 12, 1921.[19] The province and the City of Hamilton also constructed several new bridges across Cootes Paradise to create a new northwest entrance into Hamilton. The new entrance, connecting the Toronto–Hamilton Highway (later Highway 2) with the incomplete route up the escarpment to Clappison's Corners, was ceremonially opened by the Minister of Public Works and Highways, Frank Campbell Biggs, on August 23, 1922.[20] The Clappison Cut was completed and paved in 1924.[21]

Clappison Cut construction, 1920–1924

Highway 5 and Highway 6 travelled concurrently from Highway 8 (Main Street) in downtown Hamilton to Clappison's Corners when route numbers were assigned in 1925.[22] Highway 5 was 127.4 kilometers (79.2 mi) long at this time. This situation was short lived however, as Highway 5 was redirected west from Clappison's Corners to Peters Corners to meet Highway 8 on May 25, 1927. Highway 6, in turn, assumed the route of Highway 5 south to Jarvis.[23] The route was extended further west in 1930, when the newly-renamed Department of Highways (DHO) assumed the road from Highway 8 at Peters Corners to Highway 24 west of St. George, as well as the Governor's Road between Highway 24 and Highway 2 at Paris. The 19.0 kilometers (11.8 mi) road between Highway 8 and Highway 24, through Beverley and South Dumfries was designated on June 18, while the 6.8-kilometer (4.2 mi) section of the Governor's Road, along the boundary between South Dumfries and Brantford Township, was designated several months later on September 24.[24] These two segments were connected by a concurrency with Highway 24.[25] This brought the length of the route to 114.3 kilometers (71.0 mi), including the approximately 16.1 kilometers (10.0 mi) of Bloor Street and Danforth Avenue between Jane Street and Sibley Avenue, within the Toronto city limits.[26] [27] Below the escarpment, the highway followed what is now the Old Guelph Road, meandering into Hamilton.[28]

South of Hamilton, the road to Jarvis was numbered as Highway 5 when route numbers were assigned in the middle of 1925. Highway 5 and Highway 6 travelled concurrently from downtown Hamilton to Clappison's Corners.[29] However, on May 25, 1927, several route numbers were revised, including Highways 5 and 6. Highway 5 was redirected west from Clappison's Corners to Peter's Corners to meet Highway 8. Highway 6, in turn, assumed the route of Highway 5 south to Jarvis. Exactly two weeks prior, on May 11, the Department of Public Highways had assumed the road between Jarvis and Port Dover; this also became a section of Highway 6, establishing its southern terminus for the next seven decades.[30]

North of the escarpment to Highway 401, Highway 6 follows the same route that it did in 1920, the Brock Road. North of Highway 401, which didn't exist before the 1950s, the route continued through Guelph along what is now Gordon Street, Norfolk Street and Woolwich Street. This section has since been replaced by the Hanlon Expressway, built throughout the 1970s.

North of Guelph to Owen Sound, the route also follows the same route as it did in 1920, with some small deviations. The section from Fergus north towards Arthur followed the route was of the old Fergus and Arthur Road Company. A "cheap attempt" at paving had been made in the 1920s. The section was straightened, widened and paved with asphalt-based "penetration pavement" in 1930.[31]

On April 1, 1937, the Department of Northern Development was absorbed into the Department of Highways, which subsequently took over many development roads as provincial highways. Most of the northern sections of Highway 6 were included amongst these. Highway 68 was designated from Little Current north to Espanola on August 11, 1937. Two weeks later, on August 25, Highway 6 was designated in Bruce County, from Wiarton north to Tobermory. The section within Grey County was designated several months later on November 3.[32] The lone remaining section of what would eventually become today's Highway 6, across Manitoulin Island, was not designated until December 7, 1955.[33] The entirety of Highway 68 eventually became part of Highway 6 in the early to mid- 1980.[34]

The grand entrance to Hamilton, along what is now York Boulevard, was constructed in the early 1930s as one of the earliest examples of elegant road and bridge design in the province, and was used as the prototype for The Middle Road.

Expressways and bypasses

Longwoods Road extension

Under the leadership of Thomas B. McQuesten, who would soon introduce the freeway to Ontario, a new grand entrance to Hamilton was planned. It would cross the Desjardins Canal and terminate at a traffic circle, with Highway 2 continuing east and Highway 6 north. This new road, known as the Longwoods Road Extension, was built partially as a depression-relief project in the early 1930s. Upon completion in 1932, Highway 2 and Highway 6 were routed off the Old Guelph Road onto the new route into Hamilton. This configuration remained until the construction of Highway 403 during the early 1960s, which was built over the Longwoods Road Extension.

Mount Hope Bypass

Due to the narrow spacing of buildings in the village of Mount Hope, a bypass of the village was built in the mid- to late 1950s.[35] The original route is now known as Homestead Drive.[36] The bypass opened on April 26, 1957, at which point the old routing was decommissioned.[35] It was subsequently bypassed, when the new Highway 6 opened to the southwest of John C. Munro Hamilton International Airport, on November 26, 2004.[37]

Hanlon Expressway

With the rapid suburban expansion of Guelph in the 1950s and 1960s, a revised transportation plan was conceived to handle the increasing traffic load. The Guelph Area Transportation Study was completed in 1967, and recommended a new controlled-access highway to allow through-traffic on Highway 6 to bypass the city. Route planning, engineering and design began on October 2, 1967 and was subsequently completed in 1969.[38] Construction began between Waterloo Avenue and Stone Road in 1970;[39] this section opened on June 28, 1972.[40] The next section, from Stone Road to Clair Road, opened in October 1973.[39] Work on the northern section from Waterloo Avenue to Woodlawn Road began in August 1974.[41] It and the final section south to Highway 401 were opened on November 7, 1975.[42]

Initially, the 15.4-kilometer-long (9.6 mi) road featured no interchanges. However, the MTO has long-intended to upgrade the route to a freeway.[39][43] Construction of the Wellington Avenue interchange began in October 1998;[44] it opened in July 2001.[43] On April 30, 2012, construction began on the Laird Road interchange.[45] It partially opened on the week of November 11, 2013,[46] and was fully opened on November 29, 2013, in a public ceremony attended by local officials as well as Guelph MPP Liz Sandals.[45][47]

Caledonia Bypass

In 1976, a corridor study was completed on Highway 6 between Port Dover and Hamilton, indicating a need for a bypass of Caledonia due to the aging multi-span bridge over the Grand River, to improve capacity to the developing areas of Nanticoke near Lake Erie,[48] and to reduce the high-volume of truck traffic passing through the town.[49] Construction began in late 1979 on structures to cross the Grand River and to carry rail lines and three crossroads over the bypass.[50] The bypass was completed in the fall of 1983.[49] The old route through Caledonia is now known as Argyle Street.[5]

Downloading and changes since

Construction of the Clappison Cut in 1922
Similar angle in 2011; Highway 6 descends the Niagara Escarpment towards Burlington through the Clappison Cut as a five lane freeway

On April 1, 1997, Highway 6 was decommissioned south of Hepworth to Highway 21. The entire length of Highway 70 was subsequently renumbered Highway 6 to rectify the discontinuity. On the same day, the section between the southern terminus at former Highway 24 to the west side of the Lynn River.[51] These reduced the length of Highway 6 from 488.5 kilometers (303.5 mi) to 472.4 kilometers (293.5 mi).[1][52]

A new 9.7-kilometer-long (6.0 mi) segment of Highway 6 was opened to the southwest of John C. Munro Hamilton International Airport in 2004.[37] This building of this route had been planned since the construction of the Caledonia Bypass in 1983. However, concrete plans were not announced until January 1993. However, it had already drawn criticism due to an old-growth forest located in the path of the route. The planned highway would cost a projected $100 million.[53] However, these plans never came to fruition, and by 1997 a new, shorter route was in the planning stages.[54] Construction of the $33 million route was announced on May 26, 2000 by Transportation Minister David Turnbull,[55] and began in July 2003.[56]

The new route was opened on November 26, 2004.[57] The section through Hamilton at the time followed Upper James Street through the Claremont Access onto the one-way pairings of Wellington Street and Victoria Avenue then Main Street and King Street. It turned north on Dundurn Street and crossed Cootes Paradise via York Boulevard before turning onto Plains Road and meeting the current route at the now-closed intersection.[58] The responsibility for this routing was subsequently transferred to the City of Hamilton.[37]

In early 2002, it was announced that the section of Highway 6 north of Hamilton, from Highway 403 north to beyond Highway 5, would be widened to a five lane freeway.[59] This work began in 2006, widening and dividing the highway up the Clappison Cut. The York Road interchange opened on May 23, 2009, following completion of this work. The Plains Road/Northcliffe Avenue intersection was closed the night before and a new section of Plains Road opened on the same day as the interchange.[60] Highway 6 now features an additional northbound truck-climbing lane as a result of this $34 million project.[61]

Highway 6 in Kenilworth
Highway 6 in Kenilworth


Three sections of Highway 6 are undergoing planning as of 2022.

  • Highway 6 South (from Upper James Street south of Mt. Hope to Highway 403) is proposed four-laning around John C. Munro Airport that is undergoing preliminary design as of February 17, 2022[62]
  • The Morriston Bypass (from Maddaugh Road, south of Puslinch, to Highway 401 west of Morriston) is a proposed new two or four lane alignment of Highway 6 currently in early works construction.[63]
  • The Hanlon Expressway Mid-Block Interchange project will result in a new interchange between Wellington County Road 34 and Maltby Road, as well as the removal of the existing intersections between the Hanlon Expressway and those two roads. A design–build contract for this work was awarded in February 2022.[64][65]

Major intersections

The following table lists the major junctions along Highway 6, as noted by the Ministry of Transportation of Ontario.[1] 

NorfolkHalfway House Corners−7.7−12.4 County Highway 24 – SimcoePortion west of Port Dover downloaded in the late 1990s
Port Dover0.00.0 County Road 6 (Main Street) west, Main Street eastCurrent southern terminus
HaldimandJarvis13.421.6 Highway 3Jarvis Connecting Link
15.024.1 County Road 69 (Nanticoke Creek Parkway)
16.326.2 County Road 55 (Nanticoke Road)
21.134.0 County Road 18 (Sandusk Road)
Hagersville23.537.8 County Road 20 (King Street)Hagersville Connecting Link
Caledonia35.457.0Argyle Street SouthBeginning of Caledonia Bypass; controlled-access Super 2
Bridge over the Grand River
41.967.4Argyle Street NorthEnd of Caledonia Bypass
Hamilton48.077.2Highway 7273 (Upper James Street)Former Highway 6 prior to November 2004
Module:Jctint/CAN warning: Unused argument(s): municipality
50.080.5 Highway 7274 (Airport Road Connection)To John C. Munro Hamilton International Airport
54.888.2Book Road
Freeway begins
57.592.561 Highway 403 west – WoodstockBeginning of Highway 403 concurrency
60.497.264Lincoln M. Alexander Parkway
Rousseaux Street
65.2104.969Aberdeen Avenue
66.6107.270Main StreetFormerly Highway 8; entrance ramps from nearby King St.
68.9110.973York BoulevardWestbound exit and eastbound exit; formerly Highway 6 south
HamiltonHalton lineHamiltonBurlington line70.3113.174 Highway 403 east – Burlington, TorontoEastern end of Highway 403 concurrency
71.7115.4York Road
Freeway ends
Hamilton73.3118.0 Highway 5 (Dundas Street)Clappison's Corners
Module:Jctint/CAN warning: Unused argument(s): municipality
77.2124.2Millgrove Sideroad
83.3134.1Carlisle Road
86.4139.0 Regional Road 97 west – CambridgeFreelton; former Highway 97
WellingtonMorriston90.1145.0 County Road 36
Puslinch91.0146.5299 Highway 401 east – TorontoBeginning of Highway 401 concurrency
95.4153.5295 Highway 401 west – Cambridge, LondonEnd of Highway 401 concurrency
96.5155.3Concession Road 4
Maltby Road West
Guelph100.5161.7Clair Road West
Phelan Drive
Closed with opening of Laird Road Interchange[45]
101.1162.7Laird RoadGrade-separated as of November 29, 2013[45]
103.6166.7Downey Road (west)
Kortright Road West (east)
104.6168.3Stone Road West
105.5169.8College Avenue West
107.1172.4 Highway 7 east (Wellington Street) – BramptonSouthern end of Highway 7 concurrency; grade-separated as of July 2001;[43] formerly Highway 24
108.1174.0Paisley Road
108.9175.3Willow Road
109.8176.7Speedvale Avenue West
110.8178.3 Highway 7 west (Woodlawn Road West) – WaterlooHighway 6 continues eastward along Woodlawn Road West; Highway 7 continues westward.
113.1182.0Woolwich StreetFormer route of Highway 6; Guelph Connecting Link
Guelph/Eramosa115.4185.7 County Road 7 (Elora Road) – Elora
117.3188.8 County Road 38 (Victoria Road North)
Fergus129.8208.9 County Road 18 (St. Andrew Street) – EloraFergus Connecting Link
Arthur148.3238.7 County Road 109Former Highway 9
148.5239.0Bridge over the Conestoga RiverArthur Connecting Link
Mount Forest172.5277.6 Highway 89 – Harriston, ShelburneMount Forest Connecting Link
GreyDurham195.3314.3Douglas StreetDurham Connecting Link
196.5316.2 Highway 4 (Lambton Street) – Walkerton, Hanover, Flesherton
197.2317.4 County Road 27 west (Durham Road)Old alignment of Highway 4; Durham Connecting Link
Williamsford219.4353.1 County Road 24 east (Chatsworth Road 24)
Chatsworth227.0365.3 County Road 40 westOwen Sound Bypass; Beginning of Chatsworth Connecting Link
228.6367.9 Highway 10 south – BramptonSouthern end of Highway 10 concurrency; end of Chatsworth Connecting Link
Owen Sound240.2386.6Superior Street / 4th Street EastBeginning of Owen Sound Connecting Link
241.5388.7 Highway 26 east (9th Avenue) – Collingwood, Barrie
Highway 21 south (10th Street East)
End of Highway 10. Highway 6 north turns west onto 10th Street and becomes concurrent with Highway 21 south through Owen Sound.
242.8390.7Bridge over the Sydenham River
244.1392.8Alpha Street north / 9th Avenue West southEnd of Owen Sound Connecting Link
Springmount246.8397.2 Highway 21 south – Southampton, Goderich
County Road 18
Beginning of former Highway 70
Cruickshank252.6406.5Ledgerock Road
Shallow Lake257.0413.6 County Road 170 (Cruickshank Street) – Copperkettle
BruceHepworth261.4420.7 County Road 10 south (Bruce Street)
County Road 8 west (Queen Street) – Sauble Beach
End of former Highway 70
Wiarton273.2439.7 County Road 1 (Frank Street) – Keppel CroftWiarton Connecting Link
274.5441.8 County Road 13 (Jenny Street) – Oliphant
South Bruce Peninsula276.7445.3 County Road 9 north – Colpoy's Bay
Northern Bruce Peninsula303.6488.6 County Road 9 south (Ferndale Road) – Lion's HeadFerndale
Tobermory356.3573.4Big Tub Road / Front StreetTobermory Ferry Docks
Georgian Bay
MS Chi-Cheemaun Ferry between Tobermory and South Baymouth—45.0 km (28.0 mi)—toll required
ManitoulinSouth Baymouth356.3573.4Water Street / Given RoadSouth Baymouth Ferry Docks; the entire route from this location northerly to McKerrow was designated as Highway 68 prior to 1980.
Tehkummah369.2594.2 Highway 542
Manitowaning386.2621.5Merideth Street
Sheguiandah410.6660.8Green Bay Road / Sheguiandah Bay Road
Little Current421.2677.9Little Current Swing Bridge over the North Channel
SudburyEspanola465.8749.6Foster DriveEspanola Connecting Link
469.7755.9Tudhope Street
McKerrow472.4760.3 Highway 17 – Sault Ste. Marie, SudburyTrans-Canada Highway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Closed/former


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  2. ^ a b "Report on Provincial Highways". Annual Report (Report). Department of Highways. January 30, 1921. pp. 40–45.
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  7. ^ "Complete 2017 Chi-Cheemaun Sailing Schedule" (PDF). Owen Sound Transportation Company. Archived from the original (PDF) on September 8, 2017. Retrieved August 27, 2017.
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