Three Forks, South Dakota
|Time zone||UTC-7 (MST)|
|• Summer (DST)||UTC-6 (MDT)|
|Maintained by||South Dakota Department of Transportation|
Three Forks is an unincorporated community in Pennington County, South Dakota, United States. It lies at the intersection of U.S. Routes 16 and 385, just north of Hill City along Spring Creek. A small general store featuring fuel is open year-round; other businesses are open seasonally, including a campground, a motel, a miniature golf-course, and an ice-cream stand. The campground is the site of an annual Octoberfest event, and the area is heavily patronized during the Sturgis Motorcycle Rally in August of each year. In recent years, considerable residential development of the immediate area has swollen its population.
From Three Forks:
Three Forks is one of several places in the Black Hills where there are two routes indicated by highway signage directing travelers to Mount Rushmore National Memorial.
Major intersections in the Black Hills are frequently named, whether there are communities at the locations or not.
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U.S. Route 16 (US 16) is an east–west United States Highway between Rapid City, South Dakota and Yellowstone National Park in Wyoming. As of 2004, the highway's eastern terminus is at a junction with Interstate 90/U.S. Route 14 (I-90/US 14), concurrent with I-190, in Rapid City, South Dakota. The western terminus is the east entrance to Yellowstone National Park, concurrent with US 14 and US 20.
U.S. Route 18 is an east–west U.S. highway in the Midwestern United States. The western terminus is in Orin, Wyoming at an interchange with Interstate 25. Its eastern terminus is in downtown Milwaukee, Wisconsin. However, US 18 runs concurrent with other U.S. routes from its western terminus to Mule Creek Junction, Wyoming. US 18 is one of the original United States highways of 1926. The US 18 designation was originally proposed for a road in Michigan from Grand Haven east to Detroit. This roadway was eventually designated as U.S. Route 16.
Pactola Lake is the largest reservoir in the Black Hills of South Dakota, United States; it was created by the construction of the Pactola Dam. It was started on 25 November 1952. Contrary to popular belief there is no town at the bottom of Pactola Lake. The Bureau of Reclamation clear cut and cleaned the lake bottom before it filled. The few buildings still there by the time the dam was finished on August 15, 1956 were moved or auctioned off. The only structure under the water is the old Civilian Conservation Corp camp dynamite bunker.
Rockerville is a small unincorporated community in Pennington County in the Black Hills of the U.S. state of South Dakota. Originally established as a mining camp, it was named for the "rockers" which were used to separate placer gold from stream gravel.
Sheridan Lake, a reservoir, is located on Spring Creek in Pennington County, South Dakota. Built over the site of Sheridan, the first county seat, it is owned and operated by the United States Forest Service and is one of the recreational areas of the Black Hills National Forest.
South Dakota Highway 44 (SD 44) is a state highway in southern South Dakota that runs from U.S. Route 385 (US 385) west of Rapid City to Interstate 29 (I-29) south of Sioux Falls. It is just more than 379 miles (610 km) long.
Keystone Wye is an interchange of U.S. Route 16 (US 16) and US 16A located in the Black Hills of South Dakota, featuring two unique structural glued laminated timber bridges. The Keystone Wye is a three-level Directional T interchange for the two divided highways, constructed in 1967-1968 as part of a project by the South Dakota Department of Transportation (SDDOT) to convert US 16 to a four-lane highway between Rapid City and Keystone. It was designed by Clyde Jundt and Kenneth C. Wilson.
U.S. Route 16A is a 36.971-mile-long (59.499 km) scenic United States highway. It is an alternate route for US 16. It splits from US 16 in the Black Hills of the southwestern part of the U.S. state of South Dakota. The highway's western terminus is an intersection with US 16, US 385, and South Dakota Highway 89 (SD 89) in Custer, South Dakota. The eastern terminus is at an interchange with US 16 called the Keystone Wye south of Rapid City, South Dakota. Portions of US 16A are known as the Iron Mountain Road.
South Dakota Highway 87 (SD 87) is a 37.894-mile-long (60.984 km) state highway in the southwestern part of the U.S. state of South Dakota. It travels through the Black Hills region. The highway's southern terminus is at an intersection with U.S. Route 385 (US 385), about 6 miles (9.7 km) southeast of Pringle, within the southwestern part of Wind Cave National Park. Its northern terminus is at an intersection with US 16/US 385 about 3 miles (4.8 km) south-southwest of Hill City, within the east-central part of the Black Hills National Forest.
Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco to Teaneck, New Jersey. In Wyoming, the Interstate Highway runs 402.780 miles (648.212 km) from the Utah state line near Evanston east to the Nebraska state line in Pine Bluffs. I-80 connects Cheyenne, Wyoming's capital and largest city, with several smaller cities along the southern tier of Wyoming, including Evanston, Green River, Rock Springs, Rawlins, and Laramie. The highway also connects those cities with Salt Lake City to the west and Omaha to the east. In Cheyenne, I-80 intersects I-25 and has Wyoming's only auxiliary Interstate, I-180. The Interstate runs concurrently with U.S. Route 30 for most of their courses in Wyoming. I-80 also has shorter concurrencies with US 189 near Evanston, US 191 near Rock Springs, and US 287 and Wyoming Highway 789 near Rawlins. The Interstate has business loops through all six cities along its course as well as a loop serving Fort Bridger and Lyman east of Evanston.
Interstate 25 (I-25) is a part of the Interstate Highway System that runs from Las Cruces, New Mexico, to Buffalo, Wyoming. In Wyoming, the Interstate Highway runs 300.530 miles (483.656 km) from the Colorado state line near Cheyenne north to its national terminus at I-90 near Buffalo. I-25 connects Wyoming's largest city and capital, Cheyenne, with its second largest city, Casper, and the smaller communities of Wheatland, Douglas, and Buffalo. The highway also connects those cities with Denver and Billings via I-90. I-25 runs concurrently with U.S. Route 87 for almost its entire course in Wyoming. The highway also has extensive concurrencies with US 20 and US 26 along its east–west segment through the North Platte River valley. The Interstate has business loops through Cheyenne, Chugwater, Wheatland, Douglas, Glenrock, Casper, and Buffalo.
Johnson Siding is an unincorporated community in Pennington County, South Dakota, United States. The population as of the 2010 census was 659. It is located in the Rimrock Area, approximately 10 miles west of Rapid City. Johnson Siding is surrounded by the Black Hills National Forest. It is the only significant business district in the Rimrock Area, with a gas station/general store, deli, casino, tavern, the Johnson Siding Volunteer Fire Department firehouse, the Rimrock Evangelical Free Church meetinghouse, and a community center. However, most inhabitants work in Rapid City or Deadwood.
South Dakota Highway 244 (SD 244) is a short state highway located entirely within Pennington County, South Dakota which provides access to Mount Rushmore. Highway 244 runs generally east–west between its eastern terminus at US 16A near Keystone and its western terminus at US 16/US 385 south of Hill City. The entire route is part of the Peter Norbeck Scenic Byway. SD 244 does not connect to its parent route.
Maverick Junction, South Dakota, is a small, unincorporated community located in Fall River County, South Dakota at the intersection of South Dakota Highway 79 and US Highways 18 and 385, approximately 5 miles southeast of Hot Springs.
Mule Creek Junction is an unpopulated locale in Niobrara County, Wyoming at the junction of US 18 and US 85.
Four Mile is an unincorporated community in South Dakota, located four miles west of Custer at the junction of US 16 and Pleasant Valley Road.
At least 12 special routes of U.S. Route 16 have existed, including four in Michigan.
Carlile Junction is the populated place in Wyoming where Wyoming Highway 24 has a terminus at US Route 14.
U.S. Route 385 (US 385) is a part of the United States Numbered Highway System that travels from Big Bend National Park in Texas to US 85 in Deadwood, South Dakota. Within the state of Nebraska, the highway is known as the Gold Rush Byway, one of nine scenic byways across the state. The highway follows along the old Sidney-Black Hills trail which played a crucial role during the Black Hills Gold Rush in the late 1870s. It served as the primary route to transport gold and mining gear between Sidney, Nebraska and the Black Hills to the north. Today, the highway enters Nebraska in the southeastern portion of the Nebraska Panhandle on the state line with Colorado northeast of Julesburg and continues in a northerly direction to the South Dakota state line north of Chadron.
U.S. Highway 16 (US 16) is a 69-mile-long (111 km) east–west U.S. Highway in the western part of the U.S. state of South Dakota. It travels between Yellowstone National Park in Wyoming and Rapid City. In South Dakota, the highway extends from the Wyoming state line near Newcastle, Wyoming to Interstate 90 (I-90) in Rapid City.