You don't have to pay to drive through a park.
Not now, but perhaps in the future. Here's the quote from the article.
Of note, the work proposal identifies highways for which user fees are not charged for through traffic in national parks across
Canada, including Banff, Jasper and Waterton Lakes, Alta.; and at Kootenay and Yoho in B.C. Jager said the study would likely
consider the feasibility of charging user fees for through traffic "and what would be the implications from it."
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To save billions, end the Indian Act and the ten billion bucks wasted there each year. That would help the parks big time.