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Sorry everyone- what I started out to say was a Thank You to Kayn1N and AK SAR for those frequency and route advices.... I get distracted so easily.... those are great ideas guys and now somethings for me to research ....
Lauri
Whichever route you take, whether the Cassiar or the classic Alcan, buy a copy of "The Milepost" https://www.themilepost.com/ for your trip. By far the best source of info and guidebook. It has very detailed road logs of virtually every road to Alaska and within Alaska. I would not make the drive without a copy.