LIST OF EXITS ON HIGHWAY 401 (ONTARIO)


There are over 150 interchanges, numbered from west to east, on Highway 401 (Ontario). Originally, the freeway had used sequential exit numbering, with roughly 128 numbered exits, before the present kilometer-based system.

Contents
Windsor to London
London to Toronto
Toronto
Toronto to Kingston
Kingston to Quebec
Proposed extension into Michigan
Other planned interchanges
References
General
Specific

Windsor to London


DivisionLocationkmMinistry of Transportation of Ontario, 2004 Annual Average Daily TrafficExit #DestinationsNotes
Old
Essex CountyWindsor
Tecumseh
0.01Department of Highways, Ontario, Macdonald-Cartier Freeway (Highway 401), 1967; see also the 1964 edition - Ambassador Bridge to USAWestbound exit and eastbound entrance
2.61A13Dougall Avenue - Detroit-Windsor Tunnel to USAWestbound exit and eastbound entrance; former Hwy 3B
3.4214Former Hwy 98
Tecumseh10.4321
Lakeshore
17.5428
23.7534
30.0640
37.3748
45.7856Former Hwy 2
Chatham-Kent52.8963Former Hwy 2
70.91081Bloomfield Road (CR 27) - Chatham
79.31190
91.012101
98.313109Former Hwy 21
106.214117
Elgin CountyWest Elgin119.215129
127.316137Former Hwy 76
Dutton/Dunwich138.517149
147.418157
Southwold
154.1164 - Shedden, Port Stanley

London to Toronto


DivisionLocationkmExit #DestinationsNotes
Old
London166.719177Signed as exits 177A (south) and 177B (north)
173.2183Westbound exit and eastbound entrance
175.920186Wellington Road, Exeter RoadSigned as exits 186A (south) and 186B (north) westbound; former Hwy 135
179.121189Highbury Avenue - St. ThomasFormer Hwy 126
183.6194Veterans Memorial ParkwayFormer Hwy 100
Middlesex CountyThames Centre185.522195Former Hwy 74
189.323199
193.024203Former Hwy 73
198.525208
Oxford CountySouth-West Oxford, Ingersoll206.026216
208.527218
South-West Oxford212.2222
219.828230
Woodstock
221.929232Former Hwy 59
225.3235Eastbound exit and westbound entrance
Norwich
226.330236
227.931238Signed as exits 238A (east) and 238B (west); former Hwy 2
Woodstock
Blandford-Blenheim240.132250Drumbo Road (CR 29) - Innerkip, Drumbo
Waterloo RegionNorth Dumfries257.933268Signed as exits 268A (east) and 268B (west) eastbound; former Hwy 97
Kitchener, Cambridge265.034275Replaced Doon-Blair Road exit in the 1970s
267.935278Signed as exits 278A (east) and 278B (west) eastbound
Cambridge272.536282
284Eastbound exit and westbound entrance
276.5286
Wellington CountyPuslinch
285.7295West end of Hwy 6 overlap
290.137299East end of Hwy 6 overlap
Halton RegionMilton301.938312
310.139320Former Hwy 25
Milton, Halton Hills313.8324
318.040328
320.4330ASigned as exit 330 westbound
Mississauga, Halton Hills320.4330BEastbound exit and westbound entrance
Peel Region322.7333Winston Churchill Boulevard (RR 19/RR 19)
Mississauga326.141336
329.6340Mavis Road
331.742342Hurontario StreetFormer Hwy 10
334.5344Eastbound exit and westbound entrance
334.5344Westbound exit and eastbound entrance
336.043346

Toronto


Except for exit 348, which is partially in Mississauga, this section is entirely in Toronto.
kmExit #DestinationsNotes
Old
340.3-341.144
45
348Eastbound exit and westbound entrance
341.1350Eglinton AvenueEastbound exit and westbound entrance
341.1351Carlingview DriveWestbound exit and eastbound entrance
341.145352Westbound exit and eastbound entrance
343.546354
355Westbound exit and eastbound entrance
346.047356Islington Avenue
347.448357Weston Road
348.949359
49A[1]Jane StreetRemoved
352.050362Keele Street
354.050A364Dufferin Street, Yorkdale RoadEastbound exit and westbound entrance
354.851365Allen Road, Yorkdale Road
356.251A366Bathurst StreetWestbound exit and eastbound entrance
357.352367Avenue RoadFormer Highway 11A
359.053369Yonge StreetFormer Highway 11
361.054371Bayview Avenue
362.955373Leslie Street
364.956375
366.357376Victoria Park Avenue
367.658378Warden Avenue
369.259379Kennedy Road
370.8380Brimley Road south, Progress AvenueEastbound exit and westbound entrance
371.659A[2]381McCowan Road
373.260383Markham RoadFormer Highway 48
375.060A
385Neilson Road
376.561387Morningside Avenue
379.061A
389Meadowvale Road
380.362390Signed as exit 392 (old 63) westbound

Toronto to Kingston


DivisionMunicipalityExit #DestinationsNotes
Old
Durham RegionPickering63A
394
64397Westbound exit and entrance
399
Ajax65401Replaced exit 400 (Church Street) in 1988
66404Replaced exit 403 (Harwood Avenue) in 2004
Whitby67410Former Hwy 12
68412
Oshawa69416To be replaced by Stevenson Road interchange in 2009
70417Westbound exit is via exit 418
71418
72419
Clarington73425
428Holt RoadEastbound exit and westbound entrance
74431
75432
76435Bennett Road
77436
78440, Bond Head
79448Newtonville Road (RR 18) - Newtonville
Northumberland CountyPort Hope456Wesleyville Road
80461Former Hwy 2
81464Former Hwy 28
Cobourg, Hamilton82472
83474Former Hwy 45
Alnwick/Haldimand84487
Cramahe85497
Brighton86509Former Hwy 30
Hastings CountyQuinte West87522
88525Former Hwy 33
89526
90538
Belleville
91543Signed as exits 543A (south) and 543B (north); former Hwy 14
92544
Tyendinaga93556
94566
95570
Lennox and Addington CountyGreater Napanee
96579Former Hwy 41
97582
Loyalist98593Former Hwy 133
99599

Kingston to Quebec


MunicipalityExit #DestinationsNotes
Old
Kingston100611Gardiners Road; Kingston; Sharbot Lake; HarrowsmithFormer ''Highway 38''
Kingston101613Frontenac County Road 9 - Sydenham Road; Kingston; Sydenham
Kingston615Sir John A. Macdonald Boulevard - Kingston
Kingston102617Frontenac County Road 10 - Division Street; Kingston; Westport
Kingston103619Montreal Street - Kingston; Battersea (Frontenac County Road 11, Battersea Rd)
Kingston104623
Highway 15; Frontenac County Road 15 - Smiths Falls; Ottawa; CFB Kingston; Kingston
Kingston105632Frontenac County Road 16 - Joyceville Road; Joyceville
Gananoque
Leeds and the Thousand Islands
106645Leeds and Grenville County Road 32 - Gananoque; CrosbyFormer ''Highway 32''
Gananoque
Leeds and the Thousand Islands
107647Thousand Islands Parkway - Ivy Lea; Rockporteastbound exit and westbound entrance
Leeds and the Thousand Islands107648
Highway 2; Leeds and Grenville County Road 2 - Gananoque
eastbound exit is combined with exit 647
Leeds and the Thousand Islands108
659Leeds and Grenville County Road 3 - Reynolds Road; Lansdowne; Rockport
Leeds and the Thousand Islands109
661to
Interstate 81 - Hill Island; Bridge to U.S.A. (
Highway 137 south)
Front of Yonge110
675Mallorytown Road - Mallorytown; Athens; Rockport (Leeds and Grenville County Road 5)
Elizabethtown-Kitley110A
685Thousand Islands Parkway - Rockportwestbound exit and eastbound entrance
Elizabethtown-Kitley111687Leeds and Grenville County Road 2 (Formerly
) - Brockville
Brockville112696Leeds and Grenville County Road 29 - Brockville; Smiths FallsFormer ''Ontario Highways 42 and
29''
Brockville113698North Augusta Road - Brockville; North Augusta
Augusta114705Maitland Road - Maitland; Merrickville (Leeds and Grenville County Road 15)
Prescott115716Edward Street - Prescott; Domville (Leeds and Grenville County Road 18)
Edwardsburgh/Cardinal721A
Highway 416 North - Kemptville; Ottawa
eastbound exit and westbound entrance
Edwardsburgh/Cardinal116721B
Highway 16 to NY Route 37 (via NY Route 812); to Highway 416 north - U.S.A.; Johnstown; Kemptville; Ottawa
Edwardsburgh/Cardinal117730Leeds and Grenville County Road 22 - Shanly Road; Cardinal
South Dundas118738Stormont, Dundas and Glengarry County Road 1 - Carman Road; Iroquois
South Dundas119750Stormont, Dundas and Glengarry County Road 31 - Morrisburg; Winchester; OttawaFormer ''Highway 31''
South Dundas120758Upper Canada Road
South Stormont121770Stormont, Dundas and Glengarry County Road 14 - Dickinson Drive; Ingleside
South Stormont122778Moulinette Road - Long Sault (Stormont, Dundas and Glengarry County Road 35)
South Stormont786Power Dam Drive - Cornwall (Stormont, Dundas and Glengarry County Road 33)eastbound exit and westbound entrance
Cornwall123789
Highway 138 - Brookdale Avenue; Cornwall; Hawkesbury; Bridge to U.S.A.; Ottawa
Cornwall124792McConnell Avenue - Cornwall (Stormont, Dundas and Glengarry County Road 42)
Cornwall
South Glengarry
125796Boundary Road - Cornwall (Stormont, Dundas and Glengarry County Road 44)
South Glengarry126804Stormont, Dundas and Glengarry County Road 27 - Summerstown Road; Summerstown
South Glengarry127814Stormont, Dundas and Glengarry County Road 2; Stormont, Dundas and Glengarry County Road 34 - Lancaster; Alexandria; HawkesburyFormer
''Highway 34''
South Glengarry128825Stormont, Dundas and Glengarry County Road 23 - 4th Line Road; Curry Hill RoadContinues as
Autoroute 20 in Quebec

Proposed extension into Michigan


As part of the Detroit River International Crossing project, the following interchanges are planned on a western extension of Highway 401 to the bridge or tunnel. They are only conceptual, and vary considerably between alternatives; the below is a rough combination of all alternatives.[3]
MunicipalityDestinationsNotes
Detroit, MIWestbound exit and eastbound entrance
WindsorMalden RoadEastbound exit and westbound entrance
E.C. Row Expressway, Ojibway Parkway, Huron Church Road - Ambassador Bridge
Windsor, La SalleCabana Road, Todd Lane
Howard Avenue
Windsor, Tecumseh
Eastbound exit and westbound entrance

Other planned interchanges


The reconstruction of Highway 401 in Mississauga is expected to add several interchanges in order to serve that fast-growing region.
Another widening project throughout Oshawa will see old interchanges closed in favour of newer ones. Construction is currently underway for a new interchange at Stevenson Road in Oshawa. This upgrade with new ramps and bridges will provide easier access to the General Motors (Canada) plant and the Oshawa Centre Mall. It will replace the outdated Park Road interchange (exit 416) that will be closed off in either 2009 or 2010.
After 407 ETR gets extended east to Highways 35/115, two other freeways will be built linking the 407 and the 401 together;

407-401 Durham West Connector, near the boundary of Ajax and Whitby,

407-401 Durham East Connector, in Clarington.
A new interchange at Wonderland Road in London is planned to be built around 2015.

References


General


Official Road Map of Ontario - Southern Ontario Road Maps

King's Highway 401
Specific

1. Rolph-Clark-Stone Limited, Metropolitan Toronto and Vicinity, from the map of Ontario, published 1964 by Shell Oil
2. H.M. Gousha Company, Toronto and Vicinity, from the map of Ontario, published 1972 by Texaco
3. Detroit River International Crossing, Maps, accessed September 2007


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