Quote:
Originally Posted by q12
Nova Scotia has to have one of the easiest system to navigate with a simple system of the 101 runs parallel to the 1, 102 with the 2, 103 with the 3 etc.
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I think the Quebec system as described above is even easier to navigate.
The 307 is west of the 309, then going east from the 309 the numbers rise: 317, 321, 323, 327, 329, etc.
Also north-south highways are odd-numbered, east-west is even-numbered.
The autoroute the runs parallel to the two-lane Route 105 is Autoroute 5.
Autoroute numbers are generally laid out in this way, though often rounded to the nearest 5 or 10: Autoroute 40 for Route 138, Autoroute 50 for Route 148.
In Ontario you have something similar going on: the 417 and the 17, the 10 and the 410, the 416 and the 16, the 427 and the 27.
Though the 401 is roughly the same routing as old Highway 2.
That said there is no rhyme or reason either regional, geographic or sequential to Ontario's overall highway numbering.
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