Western Terminus:  Junction King's Highway 93 south of Penetanguishene

Length:  Before Downloading: 153.5 km

Multiplexes:  39.5 km with Highway 7 from Brooklin to Sunderland.  12.9 km with Highway 48 running on the east side of Beaverton (now defunct since 1998).  2.4 km with Highway 11 along the Orillia Bypass.  6.1 km with Highway 400 that was created in 1997 when Highway 12 was rerouted away from Fesserton.

Freeway: Concurrent with Highway 11 on the Orillia Bypass, and with Highway 400 near Coldwater

Trans-Canada Highway: Highway 12 is part of the TCH between Highway 7 (north jct) and Highway 400.  Between Highway 7 and Atherly Road it is part of the Central Ontario Route, and for the remainder of its route its part of the Georgian Bay Route.

AADT  (2002):  Highest:  31,400, from Rama Road to the Atherly Narrows Bridge;

                              Lowest:  4,100 from Coldwater Road to Highway 400 on the Coldwater Bypass.

Road Info:  Much of Highway 12 has not been upgraded in quite some time, and is beginning to show its age.  The highway is generally built to good standards, and has good geometrics (portions between Atherley and Brechin notwithstanding), but many sections are due for resurfacing.  Highway 12 has a rural posted speed limit of 80km/h, despite sections that are a part of the Trans-Canada Highway.

Pre downloaded version of Highway 12:  Now known as Brock Street in Whitby (still signed a s King's Highway 12)

Pre downloaded version of Highway 12.  Known as Durham Highway 12 north of Rossland Road to new southern terminus after 1998.

CURRENT (1998) SOUTHERN TERMINUS OF HIGHWAY 12

Provincial Control begins from about half way between Taunton Road and Highway 7-West at the proposed Highway 407 alignment

Myrtle

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At Atherly Road:  NB: Turn Left away from downtown Orillia.  SB: Ramp to the right towards Whitby (and Casino Rama)

At Highway 11 South:  NB: Ramp to the right to NB Highway 11.  SB: Exit for Highway 12 SB.  Do Not Turn of ramp.

At Highway 11 North:  NB: Exit Freeway, turn left at lights at end of ramp.  SB: Take ramp for SB Highway 11.

At Coldwater:  NB: Turn left at Vassey Road.  Turn Left again at the 400.  SB: Exit Hwy 400.  Turn Left onto Vassey Road.  Turn Right a short distance later at Coldwater.

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At Wabashene:  NB: Exit the 400, keep right on the loop ramp towards Penetanguishene.  SB:  Take the ramp to the right for the SB 400.

Old Fort

Highway 12 ENDS