Trans Canada Highway Twinning: Segments U/C - Page 153

Dengler Avenue · #**3041** Posted **Dec 16, 2025, 10:31 AM**

https://www.facebook.com/share/p/1C1f2km5Pg/?mibextid=wwXIfr
That provides some idea on how to twin TCH through National Parks in B.C.

Metro-One · #**3042** Posted **Jan 27, 2026, 12:18 AM**

While I'm still disappointed we haven't heard any new projects or movement from the Feds regarding the Trans Canada, here are some new photos of current projects underway in BC:

The new interchange in Chase, BC, is taking shape!

Roundabout grading by B.C. Ministry of Transportation and Transit, on Flickr

Brooke Drive overpass by B.C. Ministry of Transportation and Transit, on Flickr

Completed paving by B.C. Ministry of Transportation and Transit, on Flickr

Completed paving by B.C. Ministry of Transportation and Transit, on Flickr

Tappen Overhead

Tappen Overhead looking east by B.C. Ministry of Transportation and Transit, on Flickr

Old Sicamous Interchange starting to take shape

Old Sicamous Road overpass phase 2 by B.C. Ministry of Transportation and Transit, on Flickr

And the new Sicamous Bridge starting to come together

West abutment foundation work by B.C. Ministry of Transportation and Transit, on Flickr

Dengler Avenue · #**3043** Posted **Jan 27, 2026, 12:37 AM**

Oh work is already underway in Sicamous…

craner · #**3044** Posted **Jan 27, 2026, 2:10 AM**

Great stuff - thanks Metro.

Airboy · #**3045** Posted **Jan 27, 2026, 5:49 PM**

First girders at Sicamus should be in when I go through in March. Looking forward to seeing this route change.

sonysnob · #**3046** Posted **Feb 5, 2026, 8:09 PM**

Photos of BC Hwy 1 through Kicking Horse Canyon from last spring:

https://www.asphaltplanet.ca/BC/1/BC1_DSC03386_42x28.jpg

https://www.asphaltplanet.ca/BC/1/BC1_DSC03400_42x28.jpg

https://www.asphaltplanet.ca/BC/1/BC1_DSC03403_42x28.jpg

Dengler Avenue · #**3047** Posted **Feb 5, 2026, 9:02 PM**

^ The navigation system in my rental vehicle mistakenly thought that the speed limit on the straight stretch was 120 kph.

Gresto · #**3048** Posted **Feb 5, 2026, 11:19 PM**

Hwy 7 should be twinned, joining the TCH in Carleton Place and the 115 in Peterborough.

Dengler Avenue · #**3049** Posted **Feb 6, 2026, 10:04 AM**

Quote:

Originally Posted by Gresto

Hwy 7 should be twinned, joining the TCH in Carleton Place and the 115 in Peterborough.

MTO’s focussing on 6-laning the 401, so Highway 7 might stay at 2 lanes for a while.
That said, Perth is exurban Ottawa so a case to extend the freeway from Carleton to there may be had. Ditto for Havelock, which is pretty much exurban Peterborough.

Loco101 · #**3050** Posted **Feb 7, 2026, 8:17 PM**

Quote:

Originally Posted by Dengler Avenue

MTO’s focussing on 6-laning the 401, so Highway 7 might stay at 2 lanes for a while.
That said, Perth is exurban Ottawa so a case to extend the freeway from Carleton to there may be had. Ditto for Havelock, which is pretty much exurban Peterborough.

Yeah I agree that extending the 4-laning/freeway to Perth would make sense. Same with Havelock. Where is the 401 being 6-laned right now? I think it has been 6 lanes to Cobourg for awhile. I know the 6-laning was done through Kingston. Has it been done anywhere else between Cobourg and the QC border?

The section through Belleville and Trenton needs to be widened for sure. The old overpasses need to go. Is the cloverleaf interchange in Belleville with Hwy 62 the last remaining one in Ontario? I know the one on Hwy 401 with Hwy 4 near London still exists but it's currently under construction and should be gone soon. I'm impressed how much Ontario has spent to get rid of cloverleafs unlike many other jurisdictions. Much safer and easier on drivers.

Dengler Avenue · #**3051** Posted **Feb 9, 2026, 12:01 PM**

The 6 lanes on the 401 ends at KM 479.5 just east of Cobourg (other than the orphaned 12 ~ 13 km through Kingston. Planning is underway for bridging that gap, but it will be a while.

Ps: If Highway 7 remains busy between Madoc and Perth even after 401 gets 6 lanes, HSR should be the solution…

Dengler Avenue · #**3052** Posted **Feb 9, 2026, 1:35 PM**

https://greenpartylacdubonnet.ca/whiteshell-highway-twinning-july-2025/
An opinion piece on the route choice through Falcon Lake area (Manitoba)

Gresto · #**3053** Posted **Feb 10, 2026, 2:57 AM**

Quote:

Originally Posted by Dengler Avenue

Ps: If Highway 7 remains busy between Madoc and Perth even after 401 gets 6 lanes, HSR should be the solution…

Yes, I reverse my position. I would hate to see more nature destroyed for the sake of highways.

Dengler Avenue · #**3054** Posted **Feb 10, 2026, 11:38 AM**

Quote:

Originally Posted by Gresto

Yes, I reverse my position. I would hate to see more nature destroyed for the sake of highways.

That depends on how the freeway is built. MTO generally uses 110-m ROW (or wider in case of cuts and fills) and occasionally as low as 90-m ROW (for grandfathered design) in the wilderness. 90 m may sound like a lot, but that’s pretty much the minimum ROW width within which to fit a 30-m median.*
With a median at least 30 m wide, most of the nature within the median is preserved in a lot of cases (such as ON-400 through Parry Sound, and ON-417 through McNabb Braeside where one can actually see Precambrian sandstone lying unconformably atop the shield rocks in the median). Of course, there are also cases where it isn’t: ON-69 south of Estaire has a massive rock cut with a grassy median because all that rock has been used to fill part of the swamp (with a culvert) for the divided 4 lanes. ON-17 near Lively used to have rock cuts in the median but the rock has since been removed due to rock fall issues.

*Technically, the divided section of ON-17 immediately east of SSM also has a 30-m median with only 80-m ROW, but that’s only because the agricultural terrain is very ideal for a narrower ROW.

jamincan · #**3055** Posted **Feb 10, 2026, 1:08 PM**

Quote:

Originally Posted by Dengler Avenue

ON-417 through McNabb Braeside where one can actually see Precambrian sandstone lying unconformably atop the shield rocks in the median).

The (other) Great Unconformity! Apparently I'm not the only one who practices drive-by geology.

For what it's worth, I believe in that area near Arnprior you're probably seeing Ordivician rocks overlaying much older Precambrian rocks - almost a 1 billion year gap. Not quite the 1.2-1.3 billion years at the bottom of the Grand Canyon, but still pretty impressive.

q12 · #**3056** Posted **May 18, 2026, 11:16 AM**

The countdown is on!

Quebec should have that final 6 km section finished in a few months. Completing Canada's largest interprovincial freeway network (Ontario, Quebec, New Brunswick and Nova Scotia) between the metro areas of Windsor, Ontario and Halifax, Nova Scotia (over 2150 km freeway network).

Quote:

Route 185 Highway Upgrade – Phase III: Temporary Diversion Lane to Be Opened in Saint-Honoré-de-Témiscouata and Saint-Louis-du-Ha! Ha!

April 2, 2026 – The Ministry of Transport and Sustainable Mobility informs the public that it will be opening a temporary diversion road on April 8 in Saint-Honoré-de-Témiscouata and Saint-Louis-du-Ha! Ha! as part of the Highway 85 (Claude-Béchard) construction project. This road will allow traffic to continue flowing while the highway pavements are being completed.

Starting this date, traffic will be diverted in both directions between kilometers 51 and 55. This configuration will remain in place until the final sections of Highway 85 are opened to traffic, scheduled for fall 2026

Highlights:

• Phase III of the Route 185 to Highway 85 project, spanning 40 km between Saint-Antonin and Saint-Louis-du-Ha! Ha!, has been underway since 2018.

• To date, nearly 34 of the 40 km of highway in Phase III are open to traffic.

• Work continues on the 7th and final section under construction, in Saint-Honoré-de-Témiscouata and Saint-Louis-du-Ha! Ha!.

MonctonRad · #**3057** Posted **May 18, 2026, 2:24 PM**

The original four provinces of Canada connected by continuous dual carriageway.

It's only taken 159 years.........

Let's hope HSR from Toronto to Quebec City progresses just as rapidly........

Loco101 · #**3058** Posted **May 18, 2026, 5:55 PM**

Quote:

Originally Posted by q12

The countdown is on!

Quebec should have that final 6 km section finished in a few months. Completing Canada's largest interprovincial freeway network (Ontario, Quebec, New Brunswick and Nova Scotia) between the metro areas of Windsor, Ontario and Halifax, Nova Scotia (over 2150 km freeway network).

That will be a huge accomplishment!

That can mean continuous freeway from places in the Western end such as Windsor, north of Parry Sound or just West of Arnprior in Ontario. And in the Eastern end it can be just past Antigonish, Halifax or the Annapolis Valley in Nova Scotia.

craner · #**3059** Posted **May 27, 2026, 5:32 AM**

Guilbeault is gone!
Guilbeault is gone!

srperrycgy · #**3060** Posted **May 27, 2026, 12:38 PM**

Quote:

Originally Posted by craner

Guilbeault is gone!
Guilbeault is gone!

Yay! You beat me to it!