Hwy 45 Hwy 45 Hwy 45   

Ontario Highway 45 Quick Facts:
  • Years in Existence: 1937-1998
  • Current Status: Decommissioned in 1998
  • Current Name: Northumberland Road 45 & Peterborough Road 45
  • Location: Central Ontario
  • Counties Served: Northumberland & Peterborough
  • Towns Served: Cobourg, Hastings & Norwood
  • Southern Terminus: Hwy 2 - Cobourg
  • Northern Terminus: Hwy 7 - Norwood
  • Length in 1997: 54.1 km / 33.6 miles
HWY 45 © Cameron Bevers
King's Highway 45 Sign © Cameron Bevers

History of King's Highway 45:

King's Highway 45 was a major collector highway which connected Highway 2 in Cobourg with Highway 7 in Norwood. Highway 45 existed up until the late 1990s when it was downloaded to the Counties of Northumberland and Peterborough. Highway 45 first came into existence in 1937 when the Department of Highways assumed the Cobourg-Norwood Road as a new provincial highway. The highway was originally 53 km in length. Highway 45 was originally a gravel highway back in the 1930s, but it was paved from Cobourg to Baltimore in 1938 and from Baltimore to Fenella in 1950. The highway was paved from Fenella to Roseneath in 1953 and from Roseneath to Rice Lake in 1958. However, the balance of the highway between Rice Lake and Norwood wasn't paved until 1963. Highway 45 was extensively realigned during the 1950s, in order to bypass some of the steep grades on the original highway at the Great Pine Ridge between Fenella and Baltimore. Consequently, the route of Highway 45 grew by approximately 1 km during the 1950s as a result of the numerous highway relocations.

On January 1, 1998, the entire highway was downloaded. The road is now officially known as Peterborough County Road 45 and Northumberland County Road 45, although the road is still often referred to as "Highway 45" by motorists. Services are available in most of the larger communities along the highway. Highway 45 is one of Central Ontario's most scenic highways. The region north of Cobourg is surprisingly hilly, and there are some rather impressive vistas that can be enjoyed from Highway 45. The highway forms a very pleasant alternate route to Highway 115 for traffic heading between Toronto and Ottawa via Highway 7. Highway 45 is primarily a rural two-lane highway. Unless posted otherwise, the speed limit on Highway 45 is 80 km/h (50 mph). Please visit the Highway 45 Mileage Chart page for a list of mileage reference points along Highway 45.





HWY 45 ROUTE MAP - © Cameron Bevers             HWY 45 MILEAGE TABLE - © Cameron Bevers             HWY 45 PHOTOGRAPHS - © Cameron Bevers


Additional Information About King's Highway 45:

Learn More About King's Highway 45  (My Upcoming Publications)

King's Highway 45 - Route Information  (At Scott Steeves' website: asphaltplanet.ca)

King's Highway 45 - A Virtual Tour  (At Scott Steeves' website: asphaltplanet.ca)


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