Hwy 73 Hwy 73 Hwy 73   

Ontario Highway 73 Quick Facts:
  • Years in Existence: 1937-1998
  • Current Status: Decommissioned in 1998
  • Current Names: Elgin Road 73 & Middlesex Road 73
  • Location: Southern Ontario
  • Counties Served: Elgin & Middlesex
  • Towns Served: Aylmer
  • Southern Terminus: Moore Street - Port Bruce
  • Northern Terminus: Hamilton Road - East of Dorchester
  • Length in 1997 (Before Downloading): 38.9 km / 24.2 miles
HWY 73 - © Cameron Bevers
King's Highway 73 Sign © Cameron Bevers

History of King's Highway 73:

King's Highway 73 was a short collector highway which linked Port Bruce and Aylmer to Highway 401 near Dorchester. The highway was 39 km in length and it existed up until the late 1990s, when it was downloaded to the Counties of Elgin and Middlesex. The history of Highway 73 dates back to 1937, when the Department of Highways assumed the county road from Port Bruce to Dorchester Road (known as Hamilton Road today) as a new King's Highway. Contrary to popular belief, Highway 73 did not connect directly to Highway 2 during its 61-year history, even though Highway 2 existed only a short distance to the north of Highway 73's northern terminus. Highway 73 and neighbouring Highway 74 are both strange anomalies of the Ontario provincial highway system, in that these two King's Highways ended at a county road junction and not at a provincial highway junction.

Highway 73 was entirely gravel-surfaced when it was first assumed. The highway was paved between Aylmer and the Springfield turn-off in 1938. Further paving work took place between Port Bruce and Aylmer in 1950, with the balance of the highway being paved in stages between 1952 and 1955. Two sections of Highway 73 were downloaded in 1997. The northern section of Highway 73 from Highway 401 northerly to Hamilton Road and the southern section from Aylmer to Port Bruce were both transferred on March 31, 1997. The balance of the highway from Aylmer northerly to Highway 401 was downloaded on January 1, 1998. The road is now officially known as Middlesex County Road 73 and Elgin County Road 73, although the road is still often referred to as "Highway 73" by motorists. Services are available in most communities along the highway. Unless posted otherwise, the speed limit on Highway 73 is 80 km/h (50 mph). Please visit the Highway 73 Mileage Chart page for a list of mileage reference points along Highway 73.

HWY 73 ROUTE MAP - © Cameron Bevers             HWY 73 MILEAGE TABLE - © Cameron Bevers             HWY 73 PHOTOGRAPHS - © Cameron Bevers

Additional Information About King's Highway 73:

Learn More About King's Highway 73  (My Upcoming Publications)

King's Highway 73 - Route Information  (At Scott Steeves' website: asphaltplanet.ca)

King's Highway 73 - A Virtual Tour  (At Scott Steeves' website: asphaltplanet.ca)

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