| Corridor | Station | Code | Location | Coordinates | Platforms | Parking | Fare zone | Opening year (for GO service) |
|---|
| | All | Union Station | UN | 65 Front Street, Toronto | 43°38′44″N 79°22′46″W / 43.6456°N 79.3795°W / 43.6456; -79.3795 | 17 | 0 | 2 | 1967 |
| | Lakeshore West | Exhibition | EX | 100 Manitoba Drive, Toronto | 43°38′09″N 79°25′09″W / 43.6359°N 79.4192°W / 43.6359; -79.4192 | 2 | 0 | 2 | 1967 |
| Mimico | MI | 315 Royal York Road, Toronto | 43°36′59″N 79°29′50″W / 43.6164°N 79.4972°W / 43.6164; -79.4972 | 4 | 330 | 3 | 1967 |
| Long Branch | LO | 20 Brow Drive, Toronto | 43°35′31″N 79°32′44″W / 43.5919°N 79.5456°W / 43.5919; -79.5456 | 3 | 49 | 3 | 1967 |
| Port Credit | PO | 30 Queen Street East, Mississauga | 43°33′20″N 79°35′15″W / 43.5556°N 79.5875°W / 43.5556; -79.5875 | 3 | 946 | 11 | 1967 |
| Clarkson | CL | 1110 Southdown Road, Mississauga | 43°30′46″N 79°38′02″W / 43.5129°N 79.6340°W / 43.5129; -79.6340 | 3 | 3199 | 12 | 1967 |
| Oakville | OA | 214 Cross Avenue, Oakville | 43°27′17″N 79°40′58″W / 43.4546°N 79.6828°W / 43.4546; -79.6828 | 4 | 4334 | 13 | 1967 |
| Bronte | BO | 2104 Wyecroft Road, Oakville | 43°25′02″N 79°43′19″W / 43.4171°N 79.7219°W / 43.4171; -79.7219 | 3 | 2764 | 14 | 1967 |
| Appleby | AP | 5111 Fairview Street, Burlington | 43°22′45″N 79°45′40″W / 43.3791°N 79.7612°W / 43.3791; -79.7612 | 3 | 2964 | 15 | 1988 |
| Burlington | BU | 2101 Fairview Street, Burlington | 43°20′29″N 79°48′33″W / 43.3413°N 79.8091°W / 43.3413; -79.8091 | 3 | 2105 | 16 | 1980 |
| Aldershot | AL | 1199 Waterdown Road, Burlington | 43°18′46″N 79°51′19″W / 43.3129°N 79.8552°W / 43.3129; -79.8552 | 4 | 1689 | 17 | 1992 |
| Hamilton | HA | 36 Hunter Street East, Hamilton | 43°15′11″N 79°52′09″W / 43.2530°N 79.8691°W / 43.2530; -79.8691 | 2 | 0 | 18 | 1996 |
| West Harbour | WR | 353 James Street North, Hamilton | 43°15′56″N 79°51′55″W / 43.2656°N 79.8652°W / 43.2656; -79.8652 | 2 | 46 | 18 | 2015 |
| St. Catharines | SCTH | 5 Great Western Street, St. Catharines | 43°08′52″N 79°15′20″W / 43.1478°N 79.2556°W / 43.1478; -79.2556 | 1 | 0 | 83 | 2009 |
| Niagara Falls | NI | 4267 Bridge Street, Niagara Falls | 43°06′32″N 79°03′49″W / 43.1088°N 79.0636°W / 43.1088; -79.0636 | 1 | 0 | 84 | 2009 |
| | Lakeshore East | Danforth | DA | 213 Main Street, Toronto | 43°41′12″N 79°17′58″W / 43.6866°N 79.2994°W / 43.6866; -79.2994 | 3 | 0 | 6 | 1967 |
| Scarborough | SC | 3615 St Clair Avenue East, Toronto | 43°43′01″N 79°15′18″W / 43.7169°N 79.2550°W / 43.7169; -79.2550 | 3 | 626 | 6 | 1967 |
| Eglinton | EG | 2995 Eglinton Avenue East, Toronto | 43°44′22″N 79°13′56″W / 43.7394°N 79.2322°W / 43.7394; -79.2322 | 2 | 836 | 6 | 1967 |
| Guildwood | GU | 4105 Kingston Road, Toronto | 43°45′18″N 79°11′53″W / 43.7550°N 79.1980°W / 43.7550; -79.1980 | 3 | 1437 | 8 | 1967 |
| Rouge Hill | RO | 6251 Lawrence Avenue East, Toronto | 43°46′49″N 79°07′49″W / 43.7802°N 79.1302°W / 43.7802; -79.1302 | 2 | 1407 | 9 | 1967 |
| Pickering | PIN | 1322 Bayly Street, Pickering | 43°49′52″N 79°05′09″W / 43.8311°N 79.0857°W / 43.8311; -79.0857 | 3 | 3589 | 91 | 1967 |
| Ajax | AJ | 100 Westney Road South, Ajax | 43°50′54″N 79°02′30″W / 43.8484°N 79.0416°W / 43.8484; -79.0416 | 2 | 1644 | 92 | 1988 |
| Whitby | WH | 1350 Brock Street South, Whitby | 43°51′53″N 78°56′17″W / 43.8648°N 78.9380°W / 43.8648; -78.9380 | 2 | 3930 | 93 | 1988 |
| Oshawa | OS | 915 Bloor Street West, Oshawa | 43°52′15″N 78°53′05″W / 43.8708°N 78.8847°W / 43.8708; -78.8847 | 2 | 2643 | 94 | 1995 |
| | Milton | Kipling | KP | 27 St Albans Road, Toronto | 43°38′09″N 79°32′14″W / 43.6357°N 79.5373°W / 43.6357; -79.5373 | 2 | 0 | 3 | 1981 |
| Dixie | DI | 2445 Dixie Road, Mississauga | 43°36′28″N 79°34′39″W / 43.6078°N 79.5774°W / 43.6078; -79.5774 | 1 | 936 | 11 | 1981 |
| Cooksville | CO | 3210 Hurontario Street, Mississauga | 43°35′00″N 79°37′26″W / 43.5832°N 79.6239°W / 43.5832; -79.6239 | 1 | 1675 | 11 | 1981 |
| Erindale | ER | 1320 Rathburn Road West, Mississauga | 43°34′08″N 79°40′08″W / 43.5690°N 79.6689°W / 43.5690; -79.6689 | 2 | 2201 | 12 | 1981 |
| Streetsville | SR | 45 Thomas Street, Mississauga | 43°34′34″N 79°42′31″W / 43.5761°N 79.7087°W / 43.5761; -79.7087 | 2 | 1540 | 21 | 1981 |
| Meadowvale | ME | 6845 Millcreek Drive, Mississauga | 43°35′52″N 79°45′15″W / 43.5978°N 79.7542°W / 43.5978; -79.7542 | 1 | 2010 | 22 | 1981 |
| Lisgar | LS | 3250 Argentia Road, Mississauga | 43°35′26″N 79°47′18″W / 43.5906°N 79.7883°W / 43.5906; -79.7883 | 1 | 792 | 23 | 2007 |
| Milton | ML | 780 Main Street East, Milton | 43°31′24″N 79°52′01″W / 43.5234°N 79.8670°W / 43.5234; -79.8670 | 1 | 1567 | 24 | 1981 |
| | Kitchener | Bloor | BL | 1456 Bloor Street West, Toronto | 43°39′29″N 79°27′03″W / 43.6580°N 79.4509°W / 43.6580; -79.4509 | 3 | 0 | 2 | 1975 |
| Weston | WE | 1865 Weston Road, Toronto | 43°42′01″N 79°30′48″W / 43.7002°N 79.5132°W / 43.7002; -79.5132 | 3 | 295 | 4 | 1974 |
| Etobicoke North | ET | 1949 Kipling Avenue, Toronto | 43°42′23″N 79°33′45″W / 43.7063°N 79.5624°W / 43.7063; -79.5624 | 1 | 687 | 4 | 1974 |
| Malton | MA | 3060 Derry Road East, Mississauga | 43°42′18″N 79°38′18″W / 43.7050°N 79.6382°W / 43.7050; -79.6382 | 3 | 779 | 31 | 1974 |
| Bramalea | BE | 1713 Steeles Avenue, Brampton | 43°42′06″N 79°41′28″W / 43.7017°N 79.6911°W / 43.7017; -79.6911 | 3 | 2377 | 32 | 1974 |
| Brampton | BR | 27 Church Street West, Brampton | 43°41′12″N 79°45′53″W / 43.6868°N 79.7647°W / 43.6868; -79.7647 | 2 | 933 | 33 | 1974 |
| Mount Pleasant | MO | 1600 Bovaird Drive West, Brampton | 43°40′30″N 79°49′22″W / 43.6751°N 79.8227°W / 43.6751; -79.8227 | 3 | 1116 | 34 | 2005 |
| Georgetown | GE | 55 Queen Street, Georgetown | 43°39′20″N 79°55′07″W / 43.6556°N 79.9186°W / 43.6556; -79.9186 | 4 | 625 | 35 | 1978 |
| Acton | AC | 39 Eastern Avenue, Acton | 43°38′02″N 80°02′04″W / 43.6338°N 80.0345°W / 43.6338; -80.0345 | 1 | 45 | 37 | 2013 |
| Guelph | GL | 79 Carden Street, Guelph | 43°32′41″N 80°14′47″W / 43.5446°N 80.2464°W / 43.5446; -80.2464 | 1 | 12 | 39 | 2011 |
| Kitchener | KI | 126 Weber Street West, Kitchener | 43°27′20″N 80°29′36″W / 43.4556°N 80.4933°W / 43.4556; -80.4933 | 1 | 0 | 27 | 2011 |
| | Barrie | Downsview Park | DW | 1212 Sheppard Avenue West, Toronto | 43°45′14″N 79°28′42″W / 43.75389°N 79.47833°W / 43.75389; -79.47833 | 1 | 0 | 19 | 2017 |
| Rutherford | RU | 699 Westburne Drive, Vaughan | 43°50′18″N 79°29′54″W / 43.8384°N 79.4983°W / 43.8384; -79.4983 | 1 | 970 | 61 | 2001 |
| Maple | MP | 30 Station Street, Vaughan | 43°51′34″N 79°30′26″W / 43.8594°N 79.5071°W / 43.8594; -79.5071 | 1 | 1319 | 61 | 1982 |
| King City | KC | 7 Station Road, King City | 43°55′12″N 79°31′37″W / 43.9200°N 79.5270°W / 43.9200; -79.5270 | 1 | 555 | 62 | 1982 |
| Aurora | AU | 121 Wellington Street East, Aurora | 44°00′03″N 79°27′36″W / 44.0007°N 79.4599°W / 44.0007; -79.4599 | 1 | 1462 | 63 | 1982 |
| Newmarket | NE | 465 Davis Drive, Newmarket | 44°03′39″N 79°27′37″W / 44.0607°N 79.4604°W / 44.0607; -79.4604 | 1 | 265 | 64 | 1982 |
| East Gwillimbury | EA | 845 Green Lane East, East Gwillimbury | 44°04′40″N 79°27′19″W / 44.0778°N 79.4552°W / 44.0778; -79.4552 | 1 | 646 | 44 | 2004 |
| Bradford | BD | 300 Holland Street East, Bradford | 44°07′02″N 79°33′22″W / 44.1172°N 79.5562°W / 44.1172; -79.5562 | 2 | 359 | 65 | 1982 |
| Barrie South | BA | 833 Yonge Street, Barrie | 44°21′04″N 79°37′39″W / 44.3511°N 79.6275°W / 44.3511; -79.6275 | 1 | 619 | 68 | 2007 |
| Allandale Waterfront | AD | 24 Essa Road, Barrie | 44°22′29″N 79°41′19″W / 44.3747°N 79.6887°W / 44.3747; -79.6887 | 1 | 160 | 69 | 2011 |
| | Richmond Hill | Oriole | OR | 3300 Leslie Street, Toronto | 43°45′55″N 79°21′53″W / 43.7654°N 79.3646°W / 43.7654; -79.3646 | 1 | 295 | 5 | 1978 |
| Old Cummer | OL | 5760 Leslie Street, Toronto | 43°47′33″N 79°22′16″W / 43.7924°N 79.3712°W / 43.7924; -79.3712 | 1 | 466 | 5 | 1978 |
| Langstaff | LA | 10 Red Maple Road, Richmond Hill | 43°50′18″N 79°25′24″W / 43.8383°N 79.4233°W / 43.8383; -79.4233 | 1 | 1137 | 60 | 1978 |
| Richmond Hill | RI | 6 Newkirk Road, Richmond Hill | 43°52′30″N 79°25′36″W / 43.8749°N 79.4267°W / 43.8749; -79.4267 | 1 | 2324 | 61 | 1978 |
| Gormley | GO | 1650 Stouffville Road, Richmond Hill | 43°56′27″N 79°23′53″W / 43.9409°N 79.3980°W / 43.9409; -79.3980 | 1 | 850 | 62 | 2016 |
| Bloomington | BM | 1796 York Regional Road 40, Richmond Hill | 43°58′33″N 79°23′53″W / 43.9759°N 79.3981°W / 43.9759; -79.3981 | 1 | 1000 | – | 2021 |
| | Stouffville | Kennedy | KE | 2467 Eglinton Avenue East, Toronto | 43°43′56″N 79°15′45″W / 43.7323°N 79.2624°W / 43.7323; -79.2624 | 1 | 0 | 77 | 2005 |
| Agincourt | AG | 4100 Sheppard Avenue East, Toronto | 43°47′08″N 79°17′02″W / 43.7855°N 79.2840°W / 43.7855; -79.2840 | 1 | 342 | 7 | 1982 |
| Milliken | MK | 39 Redlea Avenue, Toronto | 43°49′24″N 79°18′06″W / 43.8232°N 79.3016°W / 43.8232; -79.3016 | 1 | 665 | 70 | 2005 |
| Unionville | UI | 155 YMCA Boulevard, Markham | 43°51′06″N 79°18′53″W / 43.8516°N 79.3148°W / 43.8516; -79.3148 | 1 | 1620 | 71 | 1991 |
| Centennial | CE | 320 Bullock Drive, Markham | 43°52′25″N 79°17′22″W / 43.8737°N 79.2894°W / 43.8737; -79.2894 | 1 | 451 | 72 | 2004 |
| Markham | MR | 214 Main Street North, Markham | 43°52′58″N 79°15′45″W / 43.8827°N 79.2626°W / 43.8827; -79.2626 | 2 | 413 | 72 | 1982 |
| Mount Joy | MJ | 1801 Bur Oak Avenue, Markham | 43°54′01″N 79°15′47″W / 43.9004°N 79.2630°W / 43.9004; -79.2630 | 1 | 1333 | 73 | 2004 |
| Stouffville | ST | 6176 Main Street, Stouffville | 43°58′17″N 79°15′00″W / 43.9714°N 79.2501°W / 43.9714; -79.2501 | 1 | 243 | 74 | 1982 |
| Old Elm | LI | 6840 Bethesda Road, Stouffville | 43°59′41″N 79°14′04″W / 43.9948°N 79.2344°W / 43.9948; -79.2344 | 1 | 567 | 74 | 2008 |
