# List of numbered roads in Elgin County

This article lists all of the numbered county roads in Elgin County, Ontario, Canada.
| Number | Names | Western/Southern Terminus | Eastern/Northern Terminus | Major Communities | Comments |
| 2 | Pioneer Line, Main Street | CR 103 (Furnival Road) in Rodney, Ontario | CR 8 in Dutton, Ontario | Rodney, West Lorne, Dutton | Closely follows Highway 401. Is not related to Highway 2 in any way. |
| 3 | Talbot Line, Talbot Road, St. Thomas Expressway | MacPherson Road (Boundary with Chatham-Kent) | Intersection with Highway 3, Highway 4, and CR 4 | Talbotville Royal, St. Thomas, Aylmer | Formerly part of Highway 3 until it was turned back in 1998. |
| 4 | Sunset Road, Sunset Drive, Colborne Street, Joseph Street, George Street | CR 20 (Carlow Road) in Port Stanley | Intersection with Highway 3, Highway 4, and CR 3 | St. Thomas, Norman, Union, Port Stanley | Formerly part of Highway 4, until it was turned back south of Highway 3 in 1998. |
| 5 | Dunborough Road | Lakeview Line | Thames River (Boundary between Middlesex and Elgin Counties.) | | Township border between Dutton/Dunwich and West Elgin |
| 7 | Clachan Road | Clachan (On the Chatham-Kent/Elgin County Boundary) | Walnut Drive/Thames River (Middlesex/Elgin County Boundary) | Clachan | Dual-designation with Chatham-Kent CR 121. Continues as Middlesex CR 14. |
| 8 | Currie Road | John E. Pearce Provincial Park (south of CR 3) | Thames River (Boundary between Middlesex and Elgin Counties. Continues as Middlesex CR 8) | Dutton | Portion from CR 3 to Dutton, Ontario was former Highway 75, from September 16, 1936 to December 6, 1957. |
| 9 | McDougall Line, Stalker Line, Duff Line | CR 103 (Furnival Road) | CR 14 | |
| 11 | Clinton Line | Highway 4 | CR 29 (Wonderland Road) | Talbotville Royal/Southwold |
| 13 | Shackleton Street, Shackleton Line | CR 8 in Dutton | CR 13 in Iona Station | |
| 14 | Iona Road | CR 16 in Burwells Corner | Thames River (Middlesex/Elgin County Boundary, continues as Middlesex CR 9) | Iona, Iona Station |
| 15 | Main Street | CR 2 | CR 8 | Dutton |
| 16 | Fingal Line, "Talbot Historical Trail" | CR 8, south of CR 3 | Sunset Drive (St. Thomas City Limits) | | Designated as part of the "Talbot Historical Trail" from CR 14 to St. Thomas. |
| 18 | 3rd Line, Southminster Bourne | CR 14 (Iona Road) | Highway 4 | | Crosses into Middlesex County (specifically, London) briefly over Highway 401 overpass. |
| 19 | Plank Road, Robinson Street | Dead-end south of Hagerman Street in Port Burwell. | Baynor Drive/Bayham-Norfolk Boundary Road (Boundary with City of Norfolk County, continuing as Norfolk CR HWY 19) | Port Burwell, Vienna, Staffordville, Eden, Tillsonburg (on the other side of the Norfolk County boundary) | Formerly a part of Highway 19, before parts south of Highway 3 in Tillsonburg, Ontario were turned back, bringing the highway's length to basically the same as when it was created, in 1930. The only difference is that it ends at the Interchange with Highway 401, as opposed to travelling the additional 13.2 km into Ingersoll, Ontario to end at Highway 2. |
| 20 | Union Road, Carlow Road | CR 4 in Port Stanley | CR 18 | Port Stanley, Shedden | Formerly extended north of CR 18 along Magdala Road. Shortened in 2017 |
| 21 | Warren Street | CR 20 | CR 4 | Port Stanley | Short county road, linking CR 20 to CR 4 |
| 22 | Fairview Road, Fairview Avenue, Hawk Cliff Road | CR 24 | CR 57 (Southdale Line) just south of St. Thomas | St. Thomas | |
| 23 | Joseph Street, East Road | CR 24 | CR 4 | Port Stanley | Offers a direct route into Port Stanley from the east |
| 24 | Dexter Line | CR 4 | CR 73 | Port Stanley, Dexter, Port Bruce | Links two former highways (Highways 4 and 73), and travels close to Lake Erie |
| 25 | Wellington Road | CR 4 | Reagan Bourne (Border with Middlesex County) | St. Thomas |
| 26 | St. George Street | CR 25 | St. Thomas City Limits | St. Thomas |
| 27 | Sparta Line | CR 20 | CR 36 | Port Stanley, Union, Lawton's Corners, Sparta | CR 20 |
| 28 | Centennial Road | CR 45 | Highway 3 | St. Thomas | Indirectly leads to Highbury Avenue (CR 30), and to London (via a short jog on S. Edgeware Road) |
| 29 | Wonderland Road | CR 52 (Ron McNeil Line) | Southminster Bourne (City of London boundary) | | Uploaded to the County of Elgin from the Township of Southwold in 2017. |
| 30 | Highbury Avenue | CR 52 | Webber Bourne/Thomson Line (Middlesex County boundary) | St. Thomas, London | Continues indirectly to Centennial Road (CR 28) via a short jog on S. Edgeware Road and Highway 3. |
| 31 | Dalewood Road | St. Thomas City Limits | CR 52 | St. Thomas | |
| 32 | Glencolin Line, Hacienda Road | CR 73, 2 km north of Aylmer | CR 52, 2 km west of Springfield | Aylmer, Springfield |
| 34 | Borden Avenue | Middlesex County boundary (where it becomes Glanworth Drive, Middlesex CR 35) | CR 74 (Belmont Road) | Belmont |
| 35 | Springwater Road | CR 45 in Jaffa | CR 52 | Jaffa, Orwell |
| 36 | Quaker Road | CR 24 | Highway 3, just west of New Sarum | Sparta |
| 37 | Caesar Road, Avon Drive | CR 74 in Belmont | Pigram Road (Oxford County/Elgin County boundary) | Belmont, Avon | Also acts as the county boundary for Middlesex and Elgin Counties |
| 38 | Heritage Line, "Talbot Historical Trail" | Highway 3 | "Baynor Road"/Bayham-Norfolk Boundary Road (Boundary between Norfolk County and Elgin County) | Staffordville | Continues into Norfolk County as Norfolk CR 38 |
| 39 | Chatham Street | Dead end at Lake Erie | CR 42 | Port Burwell | Very short County Road |
| 40 | Springfield Road | CR 42 | CR 52 in Springfield | |
| 41 | Edison Drive, Fulton Street | Centre Street | CR 19 | Vienna | Very short county road |
| 42 | Nova Scotia Line, Bridge Street, Glen Erie Line | CR 73 in Copenhagen | Elgin CR 55/Norfolk CR 26 ("Baynor Road", the Norfolk/Elgin County boundary) | Port Burwell |
| 43 | Richmond Road | CR 42 | CR 38 | |
| 44 | Eden Line | CR 46 | CR 19 | Eden |
| 45 | John Wise Line, Calton Line | CR 3 | Elgin CR 55/Norfolk CR 26 ("Baynor Road", the Norfolk/Elgin County boundary) | Norman, Jaffa | Continues as Norfolk CR 45 |
| 46 | Culloden Road | CR 38 | Pressey Line (Oxford/Elgin County boundary) | Corinth | Continues as Oxford CR 10 |
| 47 | Putnam Road | CR 48 | CR 37 at Avon, Ontario | Avon, Mount Vernon | Continues as Middlesex CR 30 |
| 48 | Ferguson Line, Lyons Line | CR 29 (Wonderland Road) | Elgin CR 54/Oxford CR 26 | Lyons | Basically a continuation of CR 54 |
| 49 | Whittaker Road | CR 52 | CR 48 | Springfield |
| 50 | Victoria Street | CR 142 (Wellington Street) | CR 19 | Port Burwell | Short county road |
| 51 | Fruit Ridge Line | Mellor Road in Whites, ON | CR 4 | Whites | Very short county road |
| 52 | Ron McNeil Line | Highway 3 | Pigram Road | St. Thomas |
| 53 | Elm Street, Beech Street | Highway 3 | CR 73 | Aylmer | Short county road |
| 54 | Pigram Road | Oxford CR 20/26 intersection | Elgin CR 48/54 intersection | | Basically, a continuation of CR 48. Dual-designation with Oxford CR 26, continues as Oxford CR 20. |
| 55 | "Baynor Road" | Elgin CR 42/Norfolk CR 42 | Elgin CR 38/Norfolk CR 38 | | No official name, other than Elgin CR 55. Dual-designation with Norfolk CR 26. |
| 56 | Elm Street, Elm Line | St. Thomas City Limits | CR 36 | St. Thomas |
| 57 | Southdale Line | CR 4 | CR 22 | St. Thomas |
| 73 | Imperial Road, John Street | Water Street in Port Burwell | CR 37 | Port Burwell, Aylmer, Little Aylmer, Lyons | Continues into as Middlesex CR 73. Formerly Highway 73, turned back in 1998. |
| 74 | Belmont Road | Highway 3 | CR 37 in Belmont | Belmont, New Sarum | Formerly Highway 74, turned back in 1998. |
| 76 | Graham Road | CR 3 | Thames River. (Continues as Middlesex CR 76) | West Lorne | Formerly Highway 76, turned back in 1998. |
| 103 | Furnival Road | Port Glasgow (South of CR 3) | Thames River (Proceeds to Wardsville as Middlesex CR 1. | New Glasgow, Rodney | Formerly the first incarnation of Highway 77 from August 5, 1936 to December 5, 1957. Formerly CR 3 until Highway 3 was turned back. |
| 104 | MacPherson Road, McMillan Line, Blacks Road, Queens Line | MacPherson Road (Boundary with Chatham-Kent. Continues as C-K CR 19.) | CR 103 in Rodney, Ontario | Rodney | Formerly CR 4. Re-numbered as CR 104 when Highway 4 was turned back. |
| 142 | Wellington Street | CR 19 (Robinson Street) | CR 50 (Victoria Street) | Port Burwell | Very short county road. Part of the former route of CR 42 (which continued along Lakeshore Line, connecting to Norfolk CR 42), before erosion forced parts of Lakeshore Line to close in 2002 and 2018. |