Highway 16, South Dakota

It is an east–west United States Highway between Rapid City, South Dakota and Yellowstone National Park in Wyoming. US 16 is also known as Mount Rushmore Road in western South Dakota. The highway enters South Dakota east of Newcastle, Wyoming. It travels near Jewel Cave, the third-longest cave in the world. The highway goes through the city of Custer and shares alignment with US 385. East of Hill City, US 16 splits off US 385.

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