| Year | Publisher | Short Description | Southern Ontario Scale | Northern Ontario Scale | Is Northern Ontario Shown? | Comments |
|---|---|---|---|---|---|---|
| 1926 | Ontario Dept. of Public Highways | Ontario | 1" :16 miles | n/a | Not available | Promotes Ontario as a "Tourists' Mecca"; Has hunting and fishing information; lists historic sites |
| 1927 | Ontario Dept. of Public Highways | Ontario | 1" :16 miles | n/a | Not available | Uses the slogan "Discover Ontario"; Has hunting and fishing information; lists historic sites |
| 1928 | Ontario Dept. of Public Highways | Ontario | 1" :16 miles | n/a | Not available | Has hunting and fishing information; lists historic sites |
| 1930-31 | Ontario Dept. of Public Highways | Ontario | 1" :16 miles | n/a | Not available | Has hunting and fishing information; lists historic sites |
| 1931-32 | Ontario Dept. of Public Highways | Ontario | 1" :16 miles | n/a | Not available | Has hunting and fishing information; lists historic sites |
| 1934-35 | Ontario Dept. of Public Highways | Ontario | 1" : 18.5 miles | n/a | Not available | One side is a highway map, the other side shows historic sites with numbers in circles and has a brief write up |
| 1936-37 | Ontario Dept. of Public Highways | Ontario | 1" : 18.5 miles | n/a | Not available | One side is a highway map, the other side is a pictorial map showing historic sites |
| 1937 | Mobilgas (White Star Refining Company) | Ontario and Quebec | 1" : 14 miles | n/a | Not available | Quebec scale is the same 1" : 14 miles |
| 1938-39 | Ontario Travel and Publicity Bureau | Ontario | 1" : 18.5 miles | 1" : 18 miles | Partial | Synopsis on fish and gaming laws |
| 1939-40 | Ontario Travel and Publicity Bureau | Ontario | 1" : 18.5 miles | 1" : 18 miles | Partial | Synopsis on fish and gaming laws; Photos of King and Queen on cover |
| 1940 | Imperial Oil Limited | Ontario | MISSING | |||
| 1940-41 | Ontario Travel and Publicity Bureau | Ontario | 1" : 18.5 miles | 1" : 18 miles | Partial | Synopsis on fish and gaming laws |
| 1942 | Ontario Travel and Publicity Bureau | Ontario | 1" : 18.5 miles | 1" : 18 miles | Partial | Synopsis on fish and gaming laws |
| 1947 | Imperial Oil Limited | Ontario | 1" : 14.5 miles | 1" : 28 miles | Partial | |
| 1948 | Ontario Dept. of Highways | Ontario | 1" : 17.5 miles | 1" : 24 miles | Partial | |
| 1949 | ESSO (Imperial Oil Limited) | Ontario | 1" : 14.5 miles | 1" : 28 miles | Partial | |
| 1950 | ESSO | Ontario | 1" : 14.5 miles | 1" : 28 miles | Partial | |
| 1949-50 | Ontario Motor League | Ontario | 1" : 16 miles | 1" :16 miles | Partial | Haliburton / Muskoka insets; Mileage chart map |
| 1955 | British American (B/A) Service | Ontario | 1" : 18 miles | 1" : 28 miles | Partial | Central Ontario inset |
| 1956 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1956 | ESSO (Imperial Oil Limited) | Ontario | 1" : 13.25 miles | 1" : 21 miles | Partial | Toronto inset map |
| 1957 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1958 | ESSO (Imperial Oil Limited) | Central Ontario | see misc. comments | see misc. comments | Not available | Has Rideau and Trent canal information; has boat bouy information; scales of maps are for eastern (1": 6 miles) and western (1": 4.6 miles) section of Southern Ontario |
| 1958 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1958-59 | Ontario Motor League | Ontario | 1" : 16 miles | 1" : 16 miles | Partial | Haliburton/ Muskoka insets; Mileage chart map |
| 1959 | Supertest Oil | Ontario | 1" : 17.1 miles | 1" : 34 miles | Partial | |
| 1959 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1959-60 | Ontario Motor League | Ontario | 1" : 16 miles | 1" : 16 miles | Partial | Haliburton/ Muskoka insets; Mileage chart map |
| 1960 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1960-61 | Ontario Motor League | Ontario | 1" : 16 miles | 1" : 16 miles | Partial | Haliburton/ Muskoka insets; Mileage chart map |
| 1961 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1961 | ESSO | Central Ontario | see misc. comments | see misc. comments | Not available | Has Rideau and Trent canal information; has boat bouy information; scales of maps are for eastern (1": 6 miles) and western (1": 4.6 miles) section of Southern Ontario |
| 1961 | American Auto Association | Ontario | 1" : 16 miles | 1" : 35 miles | Partial | Toronto and Montreal insets; Toll information; Northern Ontario section is monochrome map |
| 1961 | ESSO | Ontario | 1" : 13.3 miles | 1" : 21 miles | Partial | |
| 1962 | ESSO | Ontario | 1" : 13.3 miles | 1" : 21 miles | Partial | |
| 1962 | White Rose | Ontario | 1" : 16.4 miles | 1" : 30.25 miles | Partial | |
| 1963 | Ontario Dept. of Highways | Ontario | 1" : 37 miles | 1" : 21 miles | Full | All of Ontario on one side, Part of Northern Ontario on the other side; recreational symbols used |
| 1963 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | Safety messages written |
| 1963 | ESSO | Central Ontario | see misc. comments | see misc. comments | Not available | Has Rideau and Trent canal information; has boat bouy information; scales of maps are for eastern (1": 6 miles) and western (1": 4.6 miles) section of Southern Ontario |
| 1963 | Supertest Oil | Ontario | 1" : 17.1 miles | 1" : 34 miles | Partial | |
| 1964 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1964 | ESSO | Ontario | 1" : 13.3 miles | 1" : 21 miles | Partial | |
| 1965 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1965-66 | Ontario Dept. of Highways | Ontario | 1" : 37 miles | 1" : 21 miles | Partial | All of Ontario on one side, Part of Northern Ontario on the other side; recreational symbols used |
| 1966 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1967 | British American (B/A) Service (GULF) | Ontario | 1" : 18 miles | 1" : 34 miles | Partial | Central Ontario |
| 1967 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1967 | Ontario Dept. of Highways | Ontario Roads to Recreation | no scale given | no scale given | Partial | All of Ontario on one side, Part of Northern Ontario on the other side; recreational symbols used |
| 1967 | Fina (Canadian Petrofina Ltd.) | Ontario | 1" : 18 miles | 1" : 34 miles | Partial | Shows southern portion of Western Provinces |
| 1967 | Ontario Dept. of Highways | Ontario | 1" : 37 miles | 1" : 21 miles | Full | All of Ontario on one side, Part of Northern Ontario on the other side; recreational and mining symbols used; detailed written information on back |
| 1967 | Sunoco | Ontario | 1" : 20 miles | 1" : 35.5 miles | Partial | |
| 1967 | ESSO | Ontario | 1" : 13.3 miles | 1" : 21 miles | Partial | |
| 1968 | ESSO | Ontario | 1" : 13.3 miles | 1" : 21 miles | Partial | |
| 1968 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1968 | Ontario Dept. of Highways | Northern Ontario | 1" : 37 miles | 1" : 21 miles | Full | All of Ontario on one side, Part of Northern Ontario on the other side; recreational and mining symbols used; detailed written information on back; scale also given in metric at 1 cm = 22.5 km |
| 1968 | Shell Oil | Ontario | 1" : 20 miles | 1" : 35.5 miles | Partial | Includes Central Ontario map (1" : 10 miles) |
| 1968 | Supertest Oil | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1968 | British American (B/A) Service (GULF) | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1969 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1969 | Shell Oil | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1970 | Ontario Dept. of Highways | Ontario | 1" : 14 miles | 1" : 28 miles | Partial | |
| 1970 | ESSO | Ontario | 1" : 13.3 miles | 1:1,330,000 | Partial | |
| 1971 | Ontario Dept. of Transportation and Communication | Ontario | 1" : 14 miles | 1" : 28 miles | Full | |
| 1971 | Ontario Dept. of Transportation and Communication | Northern Ontario | n/a | 1" : 22 miles | Full | Other side of map has outdoor and recreational safety information |
| 1972 | Shell Oil | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1972 | Ontario Dept. of Transportation and Communication | Ontario | 1" : 14 miles | 1" : 28 miles | Full | |
| 1972 | Ontario Dept. of Transportation and Communication | Northern Ontario | n/a | 1" : 22 miles | Full | Other side of map has information on parks/ fishing/ hunting/ etc. |
| 1972 | BP | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1972 | Shell Oil | Ontario | 1" : 18 miles | 1" : 39 miles | Partial | |
| 1973 | Ontario Ministry of Transportation and Communication | Ontario | 1" : 14 miles | 1" : 28 miles | Full | |
| 1973 | Mobil Oil | Ontario | 1" : 20 miles | 1" : 35.5 miles | Partial | Central Ontario map inset (1" : 10.6 miles) |
| 1974 | Ontario Ministry of Transportation and Communication | Ontario | 1: 877,000 | 1: 1,774,000 | Full | |
| 1975 | ESSO | Ontario | 1: 880,000 | 1: 1,970,000 | Partial | |
| 1976 | Mobil Oil | Ontario | 1" : 20 miles | 1" : 35.5 miles | Partial | |
| 1977 | Ontario Ministry of Transportation and Communication | Ontario | 1" : 20 miles | 1" : 35.5 miles | Full | South Central Ontario Inset Map at 1:560,000 |
| 1977 | Texaco | Ontario | 1" : 20 miles | 1" : 35.5 miles | Partial | Also scale given in metric 1 cm = 12.7 km (S. Ont.) and 1 cm = 22.5 km (N. Ont.) |
| 1978-79 | Ontario Ministry of Transportation and Communication | Ontario | 1:800,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:560,000 |
| 1980 | Ontario Ministry of Transportation and Communication | Ontario | 1:800,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:560,000 |
| 1981-82 | Mapart Inc. | Ontario | 1:1,000,000 | 1:2,000,000 | Full | South Central Ontario Inset Map (scale unknown) |
| 1982-83 | Ontario Ministry of Transportation and Communication | Ontario | 1:800,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:560,000 |
| 1984-85 | Ontario Ministry of Transportation and Communication | Ontario | 1:800,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:560,000 |
| 1986-87 | Ontario Ministry of Transportation and Communication | Ontario | 1:700,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:250,000 |
| 1988-89 | Ontario Ministry of Transportation and Communication | Ontario | 1:700,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:250,000 |
| 1990-91 | Ontario Ministry of Transportation and Communication | Ontario | 1:700,000 | 1:1,600,000 | Full | South Central Ontario Inset Map at 1:250,000 |