List of numbered roads in Lambton County#CR0079
{{short description|List of county roads}}
This page lists all of the numbered county roads in Lambton County, Ontario
{{routelist top|unit=km|local}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=1
|length_km=
|terminus_a=St. Clair Parkway in Port Lambton
|terminus_b=Highway 40 east of Port Lambton
|local=Lambton Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=2
|length_km=
|terminus_a=St. Clair Parkway in Sombra
|terminus_b=County Road 79 at Cairo
|local=Bentpath Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=4
|length_km=
|terminus_a=St. Clair Parkway in Corunna
|terminus_b=County Road 79 north of Alvinston
|local=Hill Street, Petrolia Line
|notes=Originally called the 10th Line
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=5
|length_km=
|terminus_a=Highway 21 near Grand Bend
|terminus_b=County Road 5 (Middlesex County) at the Ausable River
|local=Greenway Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=6
|length_km=
|terminus_a=Highway 21 at Lambton Shores
|terminus_b=County Road 7 (Middlesex County) at the Ausable River
|local=Thomson Line
|notes=Easternmost section formerly Highway 7
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=7
|length_km=
|terminus_a=Michigan Avenue in Sarnia
|terminus_b=Highway 21 at Lambton Shores
|local=Christina Street, Lakeshore Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=8
|length_km=
|terminus_a=County Road 8 (Chatham–Kent) near Florence
|terminus_b=Highway 402 / Highway 21 near Warwick
|local=Forest Road, Inwood Road, Shetland Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=9
|length_km=
|terminus_a=County Road 22 / County Road 79 near Warwick
|terminus_b=County Road 79 near Thedford
|local=Northville Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=11
|length_km=
|terminus_a=County Road 7 near Camlachie
|terminus_b=Highway 21 near Forest, Ontario
|local=Aberarder Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=12
|length_km=
|terminus_a=County Road 7 near Forest
|terminus_b=County Road 12 (Middlesex County) near Arkona
|local=Townsend Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=14
|length_km=
|terminus_a=County Road 20 / County Road 31 at Sarnia
|terminus_b=County Road 22 near Wyoming
|local=Churchill Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=15
|length_km=
|terminus_a=County Road 12 (Middlesex County) near Rutherford
|terminus_b=County Road 21 in Rutherford
|local=Dawn Mills Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=16
|length_km=
|terminus_a=Vidal Street (southbound) / Brock Street (northbound) in Sarnia
|terminus_b=Highway 40 / County Road 22 in Sarnia
|local=London Road
|notes=Easternmost section formerly Highway 402
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=17
|length_km=
|terminus_a=Vidal Street North (southbound) / Brock Street (northbound) in Sarnia
|terminus_b=Highway 40 in Sarnia
|local=Wellington Street
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=18
|length_km=
|terminus_a=County Road 79 near Port Franks
|terminus_b=County Road 18 (Middlesex County) at the Ausable River
|local=Bog Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=19
|length_km=
|terminus_a=County Road 29 in Sarnia
|terminus_b=County Road 27 at Sarnia
|local=Michigan Avenue, Michigan Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=20
|length_km=
|terminus_a=Highway 40 at Sarnia
|terminus_b=County Road 4 near Sarnia
|local=Plank Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=21
|length_km=
|terminus_a=County Road 21 (Chatham–Kent) near Dresden
|terminus_b=Highway 402 / County Road 30 at Reece's Corners
|local=Oil Heritage Road, Broadway Street
|notes=Formerly southern part of Highway 21
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=22
|length_km=
|terminus_a=Highway 40 / County Road 16 in Sarnia
|terminus_b=County Road 22 (Middlesex County) near Warwick
|local=London Line
|notes=Formerly Highway 22 and westernmost section of Highway 7
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=23
|length_km=
|terminus_a=County Road 79 in Alvinston
|terminus_b=County Road 80 near Alvinston
|local=Railroad Street, River Street
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=25
|length_km=
|terminus_a=Vidal Street (southbound) / Brock Street (northbound) in Sarnia
|terminus_b=County Road 39 / County Road 79 in Watford
|local=Confederation Line
|decommissioned=yes
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=26
|length_km=
|terminus_a=County Road 44 (Chatham–Kent) near Tupperville
|terminus_b=County Road 7 at Brights Grove
|local=Mandaumin Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=27
|length_km=
|terminus_a=Highway 402 / Highway 40 at Sarnia
|terminus_b=County Road 7 at Sarnia
|local=Modeland Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=28
|length_km=
|terminus_a=St. Clair Parkway near Sombra
|terminus_b=Highway 40 near Sombra
|local=Holt Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=29
|length_km=
|terminus_a=Highway 40 at Sarnia
|terminus_b=County Road 7 at Sarnia
|local=Indian Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=30
|length_km=
|terminus_a=Highway 402 / County Road 21 at Reece's Corners
|terminus_b=County Road 7 near Camlachie
|local=Oil Heritage Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=31
|length_km=
|terminus_a=County Road 31 (Chatham–Kent) near Wallaceburg
|terminus_b=County Road 14 / County Road 20 at Sarnia
|local=Kimball Road
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=33
|length_km=
|terminus_a=County Road 33 (Chatham–Kent) near Wallaceburg
|terminus_b=Vidal Street and County Road 34 at Sarnia
|local=St. Clair Parkway
|established=1977
|decommissioned=1984
|notes=Formerly Highway 40; turned back in stages
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=34
|length_km=
|terminus_a=St. Clair Parkway at Sarnia
|terminus_b=Highway 40 at Sarnia
|local=Churchill Line
|established=1993
|notes=Formerly Highway 40 and Highway 40B
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=35
|length_km=
|terminus_a=St. Clair Parkway near Corunna
|terminus_b=Highway 40 near Corunna
|local=La Salle Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=36
|length_km=
|terminus_a=St. Clair Parkway near Courtright
|terminus_b=Highway 40 near Courtright
|local=Bickford Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=39
|length_km=
|terminus_a=County Road 79 in Watford
|terminus_b=County Road 39 (Middlesex County) near Kerwood
|local=Confederation Line
|notes=none
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=79
|length_km=
|terminus_a=County Road 16 (Chatham–Kent) near Bothwell
|terminus_b=Highway 21 near Port Franks
|local=Northville Road, Arkona Road, Egremont Road, Nauvoo Road, Cairo Road
|established=1998
|notes=Formerly Highway 79 and Highway 7
}}
{{routelist row|local
|province=ON
|type=CR
|county=Lambton
|route=80
|length_km=
|terminus_a=St. Clair Parkway in Courtright
|terminus_b=County Road 80 (Middlesex County) near Alvinston
|local=Courtright Line
|notes=Formerly Highway 80
}}
{{routelist bottom|keys=former}}
{{Ontario numbered highways}}