Get a copy of "the Milepost". It is a must for visitors traveling around Alaska.
https://www.amazon.com/MILEPOST-2023-Alaska-Travel-Planner/dp/1892154579/ref=sr_1_1?crid=159KZ498R6UMW&keywords=milepost+alaska+2023&qid=1672695848&sprefix=milepost%2Caps%2C313&sr=8-1