List of numbered roads in Grey County
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This is a list of numbered county roads in Grey County, Ontario.
| County Road # | Local Name(s) | Southern/Western Terminus | Northern/Eastern Terminus | Settlements served | Additional Notes |
|---|---|---|---|---|---|
| 1 | County Road 1 | 10th Street, Owen Sound | Bruce County limits | Owen Sound, Balmy Beach, East Linton, Hogg, Big Bay, Oxenden | |
| 2 | County Road 2 | Melancthon-Osprey Townline | King's Highway 26 | Victoria Corners, Ravenna, Kolapore, Feversham, Maxwell | |
| 3 | County Road 3 | Minto-Normanby Townline | King's Highway 21 | Ayton, Lamlash, Louise, Peabody, Keady, Jackson | |
| 4 | County Road 4 | Bruce County limits | Simcoe County Road 124 | Hanover, Allan Park, Vickers, Durham, Glen, Priceville, Ceylon, Flesherton, Rock Mills, Maxwell | a.k.a. 10th Street in Hanover, Bruce Street and Lambton Street in Durham, and Collingwood Street in Flesherton |
| 5 | 28th Avenue 8th Street 2nd Avenue County Road 5 |
King's Highway 26 | King's Highway 6 | Owen Sound | |
| 6 | County Road 6 | King's Highway 89 | King's Highway 6 | none | minor connecting route |
| 7 | County Road 7 | County Road 13 | King's Highway 26 | Epping, Griersville, Kent, Meaford | |
| 8 | County Road 8 | King's Highway 89 | County road 9 | none | minor rural route |
| 9 | Queen Street County Road 9 Main street |
County Road 10 | King's Highway 10 | Neustadt, Ayton, Nenagh, Orchardville, Hopeville, Dundalk | |
| 10 | County Road 10 | Wellington County limits | County Road 25 | Scone, Elmwood, Hanover, Neustadt, Moltke, Biemans Corners | a.k.a. Jacob Street in Neustadt and 7th Avenue in Hanover |
| 11 | County Road 11 | County Road 18 | King's Highway 26 | none | minor rural route |
| 12 | County Road 12 | King's Highway 6 | King's Highway 26 | Meaford, Oxmead, Temple Hill, Goring, Markdale, Barhead, Waudby | a.k.a. Nelson Street in Meaford and Main Street in Markdale |
| 13 | County Road 13 | County Road 4 | King's Highway 26 | Thornbury, Clarksburg, Slabtown, Heathcote, Kimberley, Eugenia | |
| 14 | County Road 14 | King's Highway 89 | County Road 4 | Hopeville, Gildale, Cedarville, Conn | |
| 15 | County Road 15 | King's Highway 26 | King's Highway 21 | Owen Sound, Leith, Annan | |
| 16 | County Road 16 | Grey-Bruce Line | King's Highway 6 | Keady | |
| 17 | Gordon Sutherland Parkway County Road 17 |
County Road 17B | King's Highway 6 | Benallen, Copperkettle, Wolseley, Zion | |
| 17A | County Road 17A | County Road 17 | County Road 1 | none | minor connecting route |
| 17B | Derby-Sarawak Townline | King's Highway 6 | King's Highway 21 | Owen Sound | |
| 18 | Concession 5 Derby Derry Line 1st Concession |
King's Highway 21 | King's Highway 26 | Springmount, Squire, Rockford, Woodford | |
| 19 | County Road 19 | County Road 2 | King's Highway 26 | Castle Glen, McMurchy Settlement, Craigleith | |
| 21 | Osler Bluff Road | County Road 19 | King's Highway 26 | Mair Mills | |
| 23 | County Road 23 | County Road 4 | County Road 9 | Glen, Dromore | |
| 25 | County Road 25 | County Road 3 | King's Highway 6 | Dornoch | |
| 27 | Durham Road West | County Road 4 | King's Highway 6 | Durham | |
| 28 | Concession 2 Drive In Road Concession 18 |
County Road 10 | County Road 10 | none | Hanover suburban route |
| 29 | County Road 29 | County Road 40 | County Road 18 | Bognor, Walters Falls | |
| 30 | County Road 30 | County Road 12 | County Road 13 | Hutchisons Corners | |
| 31 | County Road 31 | County Road 2 | Simcoe County limits | Rob Roy | |
| 32 | County Road 32 | King's Highway 10 | County Road 30 | Vandeleur | |
| 40 | County Road 40 | Grey-Bruce Line | King's Highway 26 | Chatsworth, Desboro, Marmion | a.k.a. McNab Street in Chatsworth |
| 109 | County Road 109 | County Road 6 | County Road 9 | Holstein | |
| 112 | 9th Line | County Road 12 | Central Area Army Training Centre | none | service road to National Defence facility |
| 113 | Alfred Street West | County Road 13 | King's Highway 26 | Thornbury | |
| 170 | County Road 170 Cruikshank Street |
King's Highway 6 | County Road 17 | Copperkettle, Shouldice, Shallow Lake |
