Northern Terminus:  Highway 400 ends just north of Bowes Street in Parry Sound, where the divided highway ends.

Length:  (approx) 206km

Multiplexes:  35 km (approx) with Highway 69, 6.1 km with Highway 12

Freeway:  Highway 400 is one of Ontario's three 400-series highways that is not a true divided highway for its entire length.  Between Muskoka Road 38 and the Highway 69 southern split the 400 is a two lane undivided super-2 highway

Trans-Canada Highway:  As the Georgian Bay route, from Highway 12 (South JCT.) to the 400's northern terminus.

AADT (2002):  Highest: 179,700, from Highway 401 northerly to Finch Avenue in Toronto;

                             Lowest:  8,000 from Muskoka Road 34/48 northerly to Georginan Bay Road.

Road Info:  Highway 400 is in good condition for its entire length.  400 is 14 lanes at its widest point (the short C-D system in Vaughan), and a two lane undivided Highway at its narrowest.  From Toronto to Barrie the 400 is for the most part six lanes, and from Barrie to Parry Sound it is for the most part four lanes.  There is a small two-lane undivided section of Highway 400 from the Musquash River bridge northerly to Highway 69 at Foot's Bay.  The undivided section of Highway 400 has a posted speed limit of 90km/h.  The rest of Highway 400 is posted at 100km/h.

Highway 400 ends 400m south of the Jane Street interchange at the Maple Leaf Drive overpass

City of Toronto

City of Vaughan

Population: 231 000

4(SB), 6(NB) Interchanges

Vaughan City Centre Via Major Mackenzie Drive

Downtown Via: Bayfield Street -SB, Essa Road -NB.

At the Musquash River Bridge, Highway 400 narrows to two lanes undivided, Highway 69 begins at the transition from 4- to 2-lanes

Just south of the southern Highway 69 interchange, Highway 400 becomes 4-lanes divided again

Highway 400 ENDS just north of Bowes Street, where it becomes known only as Highway 69.  Click here for Highway 69 information.