The following are Roads in Oxford County, Ontario as maintained by that county:
| Road number | Communities served | Direction | Notes | |
|---|---|---|---|---|
| 2 | Thamesford, Rayside, Woodstock, Highway 401, Eastwood, Gobles, Princeton | East/West | formerly Ontario Highway 2 | |
| 3 | Washington, Drumbo, Princeton | North/South | ||
| 4 | Innerkip, Woodstock | North/South | Begins at Road 29 as Innerkip's Blandford St., and intersects with Roads 5, 17 and 2 before ending at Road 15. | |
| 5 | near Innerkip | North/South | ||
| 6 | Brooksdale, Embro, Highway 401, Foldens | North/South | ||
| 7 | Rayside, Ingersoll | North/South | ||
| 8 | Hickson, Bright, Plattsville, Washington | East/West | ||
| 9 | Ingersoll, Beachville, Woodstock | North/South | original alignment of King's Highway 2 between Ingersoll and Woodstock | |
| 10 | Ingersoll, Highway 401, Verschoyle, Culloden, Brownsville | North/South | ||
| 11 | Beachville | North/South | short connector CR 2 and CR 9 | |
| 12 | Ontario Highway 19, Foldens, Sweaburg, Highway 401, Woodstock | North/South | Sweaburg Road | |
| 13 | Holbrook, Springford | North/South | sometimes referred to as Highway 59A | |
| 14 | north of Norwich | North/South | connects CR 59 with CR 14 and CR 55 | |
| 15 | Woodstock, Highway 401 | East/West | Parkinson Rd. east of Norwich Ave. in Woodstock | |
| 16 | Kintore | East/West | ||
| 17 | Golspie, north of Woodstock | East/West | Tollgate Rd. | |
| 18 | Mount Elgin, Newark, Norwich | East/West | ||
| 19 | Ostrander, Springford, Otterville | East/West | ||
| 20 | Brownsville, Delmer, Tillsonburg | East/West | North St. in Tillsonburg | |
| 21 | east of Burgessville, north of Norwich | East/West | ||
| 22 | Bright, Muir | North/South | ||
| 23 | East/West | short section from CR 22, along Perth County border | ||
| 24 | Tavistock | East/West | ||
| 25 | Medina, Lakeside | East/West | ||
| 26 | west of Brownsville | North/South | along Middlesex County border | |
| 27 | Dereham Centre | East/West | Prouse Rd. | |
| 28 | Uniondale, Harrington West, Maplewood | East/West | ||
| 29 | Innerkip, Highway 401, Drumbo | East/West | ||
| 30 | Woodstock | North/South | 11th line | |
| 32 | near Hawtrey | North/South | at extreme southeast of county, connects CR 37 | |
| 33 | south of Embro, Innerkip | East/West | ||
| 34 | near Tavistock | North/South | Southwest bypass of Tavistock | |
| 35 | Woodstock | East/West | The road is Woodstock's Devonshire Ave., runs for 5 km, and has four stoplights, including an intersection with Co.Rd. 4 | |
| 36 | near Paris, Ayr | North/South | Brant Oxford Road, Trussler Road | |
| 37 | Tillsonburg | East/West | Potter's Rd. | |
| 40 | Curries | East/West | ||
| 41 | Sweaburg | North/South | short connector to CR 40 | |
| 42 | Plattsville | East/West | ||
| 43 | east of Washington | North/South | spur from CR 8 to Perth County | |
| 44 | East/West | short section from CR 43, along Perth County border | ||
| 45 | south of Thamesford | North/South | ||
| 46 | Salford, Holbrook | East/West | ||
| 51 | Tillsonburg | East/West | Simcoe St. | |
| 52 | Woodstock | North/South | Clarke St. N. (north of Dundas St.) | |
| 53 | Tillsonburg | North/South | Tillson Ave. | |
| 54 | Woodstock | North/South | Huron St. (from Devonshire Ave. to Dundas St.) | |
| 55 | Eastwood, Highway 403, Muir | East/West | formerly Ontario Highway 53 | |
| 59 | Tavistock, Hickson, Strathallan, Huntingford, Woodstock, Highway 401, Curries, Holbrook, Burgessville, Norwich, Milldale | North/South | formerly Ontario Highway 59 | |
| 119 | Uniondale, Medina, Kintore, Thamesford, Ingersoll | North/South | formerly Ontario Highway 19 |