vebski
New Member
Concrete girders have been put up on the new Tremaine Rd overpass. Got a quick shot with my dashcam, not a lot of detial but I thought the silhoutte was pretty.....
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Roads: Highway 401 Widening - Highway 8 to Highway 410 (MTO, U/C, Planned)
- Thread starter salmonz
- Start date
jamincan
Active Member
Does anyone know if they will be widening the 401 past Regional Road 25 to the new Tremaine Road interchange? It seemed that they were grading for additional lanes under the span over the westbound lanes. I've always thought the sudden collapse down to 3 lanes from 5 at Regional Road 25 made absolutely no sense, but extending the 4th lane to Tremaine would make a fair bit more and would at least spread the reduction over a longer stretch instead of the span of a single interchange.
Also, will they be keeping the old Tremaine Road overpass, or will it be removed once the new road is opened?
Also, will they be keeping the old Tremaine Road overpass, or will it be removed once the new road is opened?
ericmacm
Active Member
There are plans to widen HWY 401 from Highway 25 to the Halton-Wellington boundary. Consultations are still underway and the TESR is not expected to be completed until 2026 as per the project website.
They are planning on carrying 10 lanes all the way through to Waterloo Region but it is being done in stages. There are 3 sections left - this section, the Morristown Bypass/HWY 6 section, and the section from Wellington Road 35 to Townline Road.
reinventingthewheel
Active Member
It will be removed. The old Tremaine bridge will need to be demolished in order to connect the eastbound exit and westbound entrance lanes around the same location. So the timeline will be: new overpass opens, old bridge closed, new interchange opens, highway widened.
The old bridge could be reconstructed but there would be no real purpose.
darth_freeman
Active Member
Fun fact: the current Tremaine Road interchange project is actually being run by Halton Region (not MTO) and was conceived 10-15 years ago as Tremaine Road has been slowly built up through Milton. It doesn't include any new lanes/widening on 401, but that will surely follow later by MTO.
innsertnamehere
Superstar
yes, it's a municipally-led and funded interchange. They are uncommon, but not without precedent. Simcoe County paid for the Line 5 interchange on the 400 outside of Bradford, for example.
Haljackey
Active Member
At the most you may see a full auxiliary lane between Tremaine Road and Martin Street, but that's about it until further widening progresses towards Highway 8.
darth_freeman
Active Member
Simcoe may have paid for that one, but I believe MTO still ran it.
This one is actually being run by Halton (with some degree of MTO involvement and cost sharing, of course).
drum118
Superstar
April 28
Came home from Hwy 24 to Guelph and the old Hwy 6.
There are two overpasses before Hwy 6 that must be rebuilt before the 401 can be widened to Hwy 6. Then you must rebuild both Hwy 6 overpasses and fail to look that the other ones to Hwy 25.
A GO bus was in the HOV lane out of service doing the limit that vehicles were flipping around it illegally that it finally moved out of it near the Hwy 407 to the #3 lane as it was most likely heading to the Streetsville garage.
Overhead sign saying four eastbound lanes close east of 427 and the express lanes were dead stop at Hurontario St and a good thing I was taking the Hwy 403 ramp.
Got a few shots I hope of the new bridge west of Hwy 25 I hope but will not know until I transfer them and work on them this week.
Came home from Hwy 24 to Guelph and the old Hwy 6.
There are two overpasses before Hwy 6 that must be rebuilt before the 401 can be widened to Hwy 6. Then you must rebuild both Hwy 6 overpasses and fail to look that the other ones to Hwy 25.
A GO bus was in the HOV lane out of service doing the limit that vehicles were flipping around it illegally that it finally moved out of it near the Hwy 407 to the #3 lane as it was most likely heading to the Streetsville garage.
Overhead sign saying four eastbound lanes close east of 427 and the express lanes were dead stop at Hurontario St and a good thing I was taking the Hwy 403 ramp.
Got a few shots I hope of the new bridge west of Hwy 25 I hope but will not know until I transfer them and work on them this week.
afransen
Senior Member
I drove on highways in Europe. They were generally pretty good. It's expensive to drive there though.
drum118
Superstar
April 28
Best I could get for the New Tremaine Rd Interchange with the car beside me keep speeding up as I try to pass it.
Best I could get for the New Tremaine Rd Interchange with the car beside me keep speeding up as I try to pass it.
Transportfan
Senior Member
Looks to be built overly wide. I wonder if Tremaine will be designated as the new "Highway 25".
darth_freeman
Active Member
The wide bridge span is to accommodate an ultimate 10-lane 401 with HOV, even though this project itself will not be widening 401 to 10 lanes.
The interchange to the east is Regional Road 25 (Martin St.). Tremaine Road will still be signed as Regional Road 22 as well as Tremaine Road.
The interchange to the east is Regional Road 25 (Martin St.). Tremaine Road will still be signed as Regional Road 22 as well as Tremaine Road.
jamincan
Active Member
I think it will ultimately connect to the roundabout to the north which would then have the interesting distinction of four different roads coming off it (Tremaine Rd, James Snow Pkwy, Dublin Line, and Campbellville Rd).
Transportfan
Senior Member
That's length, not width. And I was talking about Tremaine functionally becoming and being redesignated as a new RR 25.