Famous How Long Is Going To The Sun Road Ideas. It takes 2 hours to. For safety reasons, 45 miles per hour is the speed limit in the lower.

It takes 2 hours to. Set high in the rocky mountains of the western united states, the road is 80.46 km (50.0 miles) long, running from west glacier (in eastern flathead. The going to the sun road is approximately 50 miles long and spans the width of glacier national park between the east and west entrance stations.