Grizzly
I uderstand your going to take in Glacier, Banff, Lake Louise, Jasper. Since I know you have pouring over the maps, you realize to go to Banff from Glacier you either stay on the Alberta side of the mtns by using a series of small but nice little highways which will bring you out east of Canmore, or connect up to Hwy #93 in BC which terminates in Jasper. I would suggest Hwy #93. Although a longer distance a far more interesting route.
Waterton Park: Hwy#6 to #3 at Pincher Creek, west over the Crows nest pass to Sparwood and Fernie and Elko. From Elko Hwy #93 to Cranbrook.
Cranbrook is the biggest place in the area and has alot of amenities. eg: They have a large RV centre there at which you can get everything and anything. Fort Steele is close by, an old RCMP fortification.
Hwy #93 heads north up the Columbia River Valley, open and arid country. Next metropolous on the route is Invermere ( I owned a home here in the early 90's). It is in close proximity to Windermere and Radium Hot Springs. This area is one of the weekend retreat spots for folks from Calgary. Lots of golf, skiing at Panorama Resort, Lake Windermere etc. Lots to do here but you have to hunt it down to get what I consider the good stuff. Very open and pretty area none the less. At Radium Hwy #93 makes a sharp right through a large rock cut (Sinclair pass) and into Yoho National Park. A dramatic transition from a arid valley to a heavily wooded park. From here you head north and intersect Hwy #1 halfway between Lake Louise and Banff.
After you had your fill of Banff which shouldn't take long, (very ,very busy place) chaotic I think would best describe it. The Elk had the town fenced to keep all the tourists in one area. Although Parks Canada tells a different story.
Regardless you will no longer be entertained by the Elk wandering through the streets eating flowers from the peoples flower boxes. They got tired of tourists sticking cameras in there faces I suppose.
There is a tremendous amount to see and do here the extent of which will depend upon your patience and perseverance. Lake Louise is in the same catagory. Brush up on your Japanese as English at times is the second language!! I stayed at the Chateau Lake Louise some years back and have a fond memory of a large group of Japanese ladies some in traditional garb standing at the lake shore at dusk in front of the Chateau all singing in Japanese. It was quite something to see and hear. So I encourage you to visit these areas just be prepared for the chaous, especially in August. You will need a reservation for and everything except eating, and going to the bathroom and for these you will just line up.
The route from lake Louise up to Jasper is called the Icefields Parkway and is one most spectacular drives you can take in the rockies. A stop at the Columbia Ice field is warrented. And maybe a ride on the big tired buses. Although the view of the Salmon Glacier at Stewart/Hyder that previously described is better.
Next up is Sunwapta Falls which warrents a little time to see the sights. Then on to Jasper. Although not as busy as Banff it is getting there and runs on a similar reservation schedule. The cable car ride is nice. The road into Maligne Lake and the boat excursion is also good. Mt. Edith Cavell is also a nice side trip. And like Banff you can shop to you drop in downtown Jasper.
I assume from Jasper you will head west on #16 to #40 to Grande Cache then on to Grande Prairie and Dawson Creek. That route I have not been up but I imagine will be fine and a welcome respite from the the chaous of Banff and Jasper. The route is in Rand and McNally and if it's in there you can drive your Linclon Town Car over it without incident.
Well another busy day in retirement is underway so I should get on to my next chore, cutting/hauling more firewood. Pete