I rather see some of the highways renumbered and remove all the discontinuous highway instead of just calling this project something like Hwy 477.
1. Many highway are disconnected thanks to Mike Harris. Highway 6, 7 and 8 all have multiple sections.
2. 407 is definitely not a good number for very obvious reasons.
3. The Conestoga Parkway (7/8/85) is very confusing to motorists. 85 doesn't start till north of this project. To get from the 401 to Waterloo, one will have to drive onto Hwy 8, then 7 /8 and it becomes finally 85. Why not have a single number from 401 to St. Jacobs?
4. This new 4 lane Hwy 7 cannot be called 407 either. It will connect directly to Halton Parkway. Halton Parkway will be eventually upgraded to a freeway and becomes Hwy 6.
5. Hwy 77 exists in Essex County connecting from 401 to Leamington. It's a major truck route for farms down there. Hwy 477 adds to the confusion.
6. Unlike back in 1917 were conventional highway 2 to 17 were designated to serve Ontario forming truck routes of the system, the 400 series highway have taken that spot. There is no need to keep the whole hwy 7 name across Ontario.
I would just renumber all the multiple sections and give freeways 400 series designations.
1. Designate Hwy 408 to this new 4 lane Hwy 7 and incorporate it into a 86km route by renaming the 7/8 from New Hamburg to Hwy 85, Hwy 6 along Halton Parkway and the Morrison Bypass. Eventually when Hwy 6 is twinned, Hwy 408 can be designated all the way to Hwy 403.
2. Designate Hwy 85 along with 7/8 and Freeport Diversion (Hwy 8 linking to Hwy 401) into Hwy 485. This creates one designation from Hwy 401 to Waterloo.
3. Hwy 8 will begin at New Hamburg as MTO doesn't want to build a freeway past New Hamburg.
4. Strip Hwy 7 completely in Southwestern Ontario. Hwy 7 would begin in Pickering and would be one segment only. Hwy 47 would be designated from Stratford to Hwy 4 where Hwy 7 current ends. The segment from Guelph to Georgetown can be designated Hwy 107 which turns into Peel RR 107.
5. Hwy 8 from Cambridge city limit to Hwy 5 can just become Hwy 5 since the current Hwy ends at Hwy 8.
6. Hwy 6 south of Guelph would be renumbered. Currently Hwy 6 is broken into many segments. When Hwy 6 reaches Hwy 401 and 403, it is technically disconnected. They are signed as a trailblazer "To Hwy 6" instead of concurrent highways 6/401.
https://www.google.ca/maps/@43.4485...6A!2e0!5s20160601T000000!7i13312!8i6656?hl=en
https://www.google.ca/maps/@43.2904...ww!2e0!5s20160601T000000!7i13312!8i6656?hl=en
When they do twin the new Hwy 6 and extend it to Caledonia, they can designate it Hwy 414 and the conventional highway segment as Hwy 14.
7. Hwy 14, 47 and 107 aren't major highways back when they existed. I have chosen them to avoid confusion with old drivers.
8. Note I used the current alignment for Hwy 7/8 between Stratford and New Hamburg. MTO plans to bypass 60% of the current alignment with a new 4 lane divided limited access highway (not freeway) a couple kilometre south of the current alignment.