Wikipedia:WikiProject Canada Roads/Ontario/Resources/Pre-1997 highways

Sources for current designations include:

• MTO (whole province)
• Brant County
• Chatham-Kent: none found
• Essex County
• Lambton County: none found
• Middlesex County
• Oxford County

Highways

Highway 2

• E.C. Row Expressway, Hwy 3 to Windsor border
• Essex County Road 22, Windsor to CR 42
• Essex County Road 42, CR 22 to border
• Chatham-Kent Road 2, border to border
• Middlesex County Road 2, border to border, except through London
• Oxford County Road 2, border to border, except through Woodstock
• County Highway 2 (Brant County), border to border, except through Brantford

Highway 3

• Hwy 3, USA to CR 34 (Hwy 3 continues along a new bypass to Hwy 77)
• Essex County Road 34, Hwy 3 to border
• Chatham-Kent Road 3, border to border

Highway 3B

• Ouellette Avenue and Dougall Avenue in Windsor

Highway 4

• Hwy 4, to

Highway 5

• County Highway 5 (Brant County), CH 2 to border

Highway 7

• Middlesex County Road 7, border to Hwy 4
• Hwy 7, Hwy 4 to

Highway 18

• E.C. Row Expressway and Ojibway Parkway, Hwy 3 to Windsor border
• Essex County Road 20, Windsor to Erie Street
• Erie Street, CR 20 to CR 34

Highway 19

• Hwy 19, Hwy 3 to Hwy 401
• Oxford County Road 119, Hwy 401 (not clear from maps, but signed on Hwy 401) to border

Highway 22

• Lambton County Road 22, to border
• Middlesex County Road 22, border to London

Highway 23

• Hwy 23, Hwy 7 to (Middlesex County shows it as CR 23, probably an error)

Highway 24

• Hwy 24, to Hwy 403
• County Highway 24 (Brant County), Hwy 403 to CH 2
• Hwy 24, Hwy 403 to

Highway 24A

• County Highway 24A (Brant County), Paris to border
• Waterloo Road 75, border to

Highway 53

• Oxford County Road 55, CR 2 to border
• County Highway 53 (Brant County), border to border, except through Brantford

Highway 54

• Brant County Road 18, CH 2/53 to CH 54
• County Highway 54 (Brant County), CR 18 to border
• Haldimand County Road 54, border to

Highway 59

• Oxford County Road 59, border to border, except through Woodstock

Highway 73

• Middlesex County Road 73, border to CR 2

Highway 74

• Middlesex County Road 74, border to CR 29

Highway 76

• Middlesex County Road 76, CR 2 to border
• Elgin County Road 76, border to

Highway 77

• Erie Street, CR 34 to Hwy 3
• Hwy 77, Hwy 3 to Hwy 401

Highway 80

• Lambton County Road 80, to border
• Middlesex County Road 80, border to CR 2

Highway 81

• Huron County Road 81, to border
• Middlesex County Road 81, border to CR 2

Highway 99

• County Highway 99 (Brant County), CH 5/Hwy 24 to border