| Number | Local Name(s) | Western/Southern Terminus | Eastern/Northern Terminus | Settlements served | Additional Notes |
 | Peterborough County Road 1 |
| Lindsay Road | Highway 7 | County Road 18 | Fowlers Corners | Formerly Highway 7B |
 | Peterborough County Road 2 |
| Carmel Line
Bensfort Road
North Rice Lake Road
Albert Street West | County Road 28 | County Road 45 | Bailieboro, Bensfort, Keene, Villiers, Birdsalls Station, Hastings | |
 | Peterborough County Road 3 |
| Parkhill Road West | Highway 7 | County Road 27 | Peterborough | minor connecting route |
 | Peterborough County Road 4 |
| Parkhill Road East
Warsaw Road
Water Street
County Road 4 | Inverlea Bridge, Peterborough | County Road 6 | Peterborough, Donwood, Five Corners, Warsaw | |
 | Peterborough County Road 5 |
| Lansdowne Road | Highway 7 | Peterborough city limits | Murray Hill, Peterborough | |
 | Peterborough County Road 6 |
| Stony Lake Road
3rd Line North
County Road 6
Unimin Road | Highway 28 | County Road 46 | Galesburg, Hall Glen, Gilchrist Bay, Clarina, Nephton, Blue Mountain | |
 | Peterborough County Road 8 |
| County Road 8
Webster Road
Line Road 5
Dummer-Asphodel Road | County Road 4 | County Road 40 | Douro, Cottesloe, South Dummer | |
 | Peterborough County Road 9 |
| Mount Pleasant Road
Sherbrooke Street | County Road 10 | Brealey Drive | Mount Pleasant, Peterborough | |
 | Peterborough County Road 10 |
| County Road 10
Queen Mary Street | Challice 1st Line | Hayes Line | Mount Pleasant, Ida, Cavan, Millbrook, Carmel | a.k.a. Tupper Street and Duke Street in Millbrook |
 | Peterborough County Road 11 |
| Moncrief Line
Airport Road | County Road 28 | Brown Line | Peterborough Airport | |
 | Peterborough County Road 12 |
| Fife's Bay Road
Lily Lake Road | Fairbairn Street, Peterborough | Maryland Drive | Peterborough, Fife's Bay, Stewart Heights | |
 | Peterborough County Road 15 |
| Monaghan Parkway | Highway 7 | Peterborough city limits | none | Formerly Highway 7 |
 | Peterborough County Road 16 |
| Robinson Road
Ennis Road
Tara Road
Blackpool Road | County Road 14 | Anchor Bay Road | Youngstown, Ennismore | |
 | Peterborough County Road 17 |
| Robinson Road
Listowel Line
Emerald Isle Road | County Road 16 | Harrington Line | Emerald Isle, Connaught Shore | |
 | Peterborough County Road 18 |
| Chemong Road
Ward Street
8th Line | Peterborough city limits | County Road 29 | Chemong Park, Bridgenorth, Chemong Heights | Formerly Highway 7B (County Road 1 – Peterborough |
 | Peterborough County Road 19 |
| 3rd Line | County Road 18 | Hilliard Street, Peterborough | none | minor connecting route |
 | Peterborough County Road 20 |
| Selwyn Road
12th Line
Young's Point Road | County Road 18 | Highway 28 | Selwyn Shores, Selwyn, Young's Point | |
 | Peterborough County Road 21 |
| 5th Line
Wallace Point Road | Glamorgan Road | County Road 39 | Millbrook, Wallace Point, Stewarts Hall, Cold Springs | |
 | Peterborough County Road 22 |
| Curve Lake Road | Westview Road | County Road 23 | Curve Lake native reserve | |
 | Peterborough County Road 23 |
| Buckhorn Road | County Road 29 | County Road 36 | Selwyn, Buckhorn | |
 | Peterborough County Road 24 |
| Centre Line | Peterborough city limits | County Road 18 | Terra View Heights | |
 | Peterborough County Road 25 |
| Young's Point Road | County Road 18 | County Road 20 | none | western shore route along Lake Katchewanooka |
 | Peterborough County Road 27 |
| Ackison Road | County Road 3 | County Road 12 | none | minor connecting route |
 | Peterborough County Road 28 |
| County Road 28 | Eagleson 1st Line | Highway 7 | Fraserville, South Monaghan, Bailieboro | Formerly Highway 28 |
 | Peterborough County Road 29 |
| Lakefield Road
Bridge Street
Queen Street | Peterborough city limits | Highway 28 | Lakefield | Formerly Highway 28 |
 | Peterborough County Road 30 |
| County Road 30 | the Trent River | Old Norwood Road | Trent River | |
 | Peterborough County Road 31 |
| Hiawatha Line | Paudash Street, Hiawatha | County Road 2 | Hiawatha native reserve | |
 | Peterborough County Road 32 |
| River Road
Water Street | Peterborough city limits | County Road 29 | Lakefield | |
 | Peterborough County Road 33 |
| County Road 33 | County Road 32 | Highway 28 | Lakefield | |
 | Peterborough County Road 34 |
| Heritage Line
Serpent Mounds Road | Serpent Mounds Park | Highway 7 | Lang, Keene, Serpent Mounds Park | |
 | Peterborough County Road 35 |
| Keene Road
Television Road | County Road 2 | the Trent Canal | Zion, Assumption, Peterborough | |
 | Peterborough County Road 36 |
| County Road 36 | Kawartha Lakes city (former Victoria County) limits | Highway 28 | Nogies Creek, Flynns, Buckhorn, Burleighs Falls | Formerly Highway 36 |
 | Peterborough County Road 37 |
| Lakehurst Road | Anchor Bay Road | County Road 36 | Buckhorn | |
 | Peterborough County Road 38 |
| 2nd Line Road | County Road 4 | County Road 2 | Birdsalls Station, Warsaw | |
 | Peterborough County Road 39 |
| Bensfort Road | County Road 2 | Highway 7 | Cold Springs | |
 | Peterborough County Road 40 |
| Dummer Road
County Road 40 | Highway 7 | County Road 6 | Norwood, Centre Dummer | |
 | Peterborough County Road 42 |
| County Road 42 | County Road 45 | County Road 30 | Norwood, Trent River | |
 | Peterborough County Road 44 |
| South Lake Road | County Road 46 | County Road 6 | none | bush route connecting Stony Lake and Havelock |
 | Peterborough County Road 45 |
| Bridge Street North
Albert Street East
County Road 45
Victoria Street | the Trent River | Highway 7 | Hastings, Norwood | Formerly Highway 45 |
 | Peterborough County Road 46 |
| Concession Street
County Road 46 | Old Norwood Road | County Road 504 | Havelock, Rush Point, Round Lake, Oak Lake, Lasswade | |
 | Peterborough County Road 47 |
| County Road 47 | County Road 44 | County Road 46 | none | minor connecting route |
 | Peterborough County Road 48 |
| Mary Street
County Road 48 | Highway 7 | Vansickle Road | Havelock, Chase Corners, Freeman Corners, Cordova Mines | |
 | Peterborough County Road 50 |
| County Road 50 | Trent River Road | Highway 7 | Preneveau | |
 | Peterborough County Road 52 |
| Jack Lake Road | Fire Route #88 | County Road 504 | Apsley, Jack Lake | |
 | Peterborough County Road 54 |
| Balmer Road | County Road 620 | Pleasant Point Road | Chandos Lake, Little Loon Lake | |
 | Peterborough County Road 56 |
| Northey's Bay Road | Highway 28 | County Road 6 | Woodview, Stonyridge, Petroglyphs Provincial Park | |
 | Peterborough County Road 503 |
| Monck Road | Reid Street, Kinmount | White Boundary Road | Furnace Falls, Kinmount | Formerly Highway 503 |
 | Peterborough County Road 504 |
| County Road 504
Wellington Street | Highway 28 | County Road 620 | Apsley, Lasswade, Owenbrook | Formerly Highway 504 |
 | Peterborough County Road 507 |
| County Road 507 | County Road 36 | Fox Lake Drive | Flynns, Rockcroft, Mississauga Landing, Catchacoma | Formerly Highway 507 |
 | Peterborough County Road 620 |
| County Road 620 | Highway 28 | County Road 504 | Clydesdale Lake, Glen Alda | Formerly Highway 620 |
 | Peterborough County Road 620A |
| Burleigh Street | County Road 620 | County Road 504 | Apsley | Formerly Highway 620A |
