U.S. Route 17 Alternate (South Carolina)

U.S. Route 17 Alternate is an alternate route

Alternate route

An official alternate route is a special route in the United States that provides an alternate alignment for a highway. They are loop roads and found in many road systems in the United States including the U.S. Route system and various state route systems...

of U.S. Route 17

U.S. Route 17 in South Carolina

In the U.S. state of South Carolina, U.S. Route 17 is a north–south highway located near the Atlantic Ocean. The route enters the state from Georgia at the Savannah River and serves Charleston and Myrtle Beach before entering North Carolina near Calabash.-Route description:US 17 enters into...

in South Carolina

South Carolina

South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

that runs between Pocotaligo and Georgetown

Georgetown, South Carolina

Georgetown is the third oldest city in the U.S. state of South Carolina and the county seat of Georgetown County, in the Low Country. Located on Winyah Bay at the confluence of the Great Pee Dee River, Waccamaw River, and Sampit River, Georgetown is the second largest seaport in South Carolina,...

. It is 123.4 miles (198.6 km) long and has been four-laned in various segments since 1970.

Route description

US Alternate 17 starts at the northern terminus of the US 17-21 overlap in Pocotaligo as a two-lane highway. It heads north along US 21 through Yemassee

Yemassee, South Carolina

Yemassee is a town in Beaufort and Hampton counties in the U.S. state of South Carolina. The population was 1,027 at the 2010 census. Yemassee is also very near the borders of Colleton and Jasper counties and is often considered to be the geographical center or heart of the Lowcountry region...

, where it passes over the CSX Charleston Subdivision and then an over South Carolina Highway 68. Due to the presence of a parallel railroad spur along the north side of SC 68, access to and from US ALT 17-21 is only available from bi-directional on-off ramps on the southwest and southeast corners of the bridge. The multiplex continues until US 21 branches off on its own to the northwest. From here it runs through Hendersonville, and then Walterboro

Walterboro, South Carolina

Walterboro is a city in Colleton County, South Carolina, United States. The population was 5,153 at the 2000 census . It is the county seat of Colleton County.-History:...

, where it merges with South Carolina Highway 63

South Carolina Highway 63

South Carolina Highway 63 is a long highway in the U.S. state of South Carolina. The highway is designated on an east–west direction, from U.S. Route 278 in Varnville to South Carolina Highway 64 Business in Walterboro....

, becomes the northern terminus of South Carolina Highway 303, and the southern terminus of U.S. Route 15

U.S. Route 15

U.S. Route 15 is a -long United States highway, designated along South Carolina, North Carolina, Virginia, Maryland, Pennsylvania, and New York. The route is signed north–south, from U.S. Route 17 Alternate in Walterboro, South Carolina to Interstate 86 and NY 17 in Painted Post, New York.US...

. From that point, US ALT 17 moves away from I-95, running along the southeast side of Lowcountry Regional Airport

Lowcountry Regional Airport

Lowcountry Regional Airport is a public airport located 2 miles northeast of Walterboro, South Carolina. The airport serves the general aviation community, with no scheduled commercial airline service.-History:The airport was opened in October 1937...

and moving further northeast. In Summerville

Summerville, South Carolina

Summerville is a town in the U.S. state of South Carolina situated mostly in Dorchester County with small portions in Berkeley, and Charleston counties. It is part of the Charleston-North Charleston-Summerville Metropolitan Statistical Area as designated for statistical purposes by the U.S. Office...

, it intersects US 78, has an interchange with Interstate 26

Interstate 26

Interstate 26 is a nominally east–west main route of the Interstate Highway System in the Southeastern United States. I-26 runs from the junction of U.S. Route 11W and U.S. Route 23 in Kingsport, Tennessee, generally southeastward to U.S. Route 17 in Charleston, South Carolina...

, and intersects US 176. At Moncks Corner

Moncks Corner, South Carolina

Moncks Corner is a town in and the county seat of Berkeley County, South Carolina, United States. The population was 5,952 at the 2000 census....

, it intersects US 52

U.S. Route 52 in South Carolina

U.S. Route 52 is a North–South U.S. Highway that runs from Charleston to the North Carolina state line near Cheraw. It serves as a strategic highway through the central South Carolina.-Route description:U.S. 52 enters South Carolina northeast of Cheraw...

and crosses the Dennis Bishop Bridge over the Cooper River. Aftet crossing the W.H. Andrews Memorial Bridge over the Santee River, it joins another multiplex with US 521 in Sampit, and both routes finally terminate at US 17, along with the southern terminus of US 701 in Georgetown

Georgetown, South Carolina

History

US Alternate 17 was created in either 1951 or 1952, as a replacement for mainline US 17 from Pocotaligo to Walterboro

Walterboro, South Carolina

Walterboro is a city in Colleton County, South Carolina, United States. The population was 5,153 at the 2000 census . It is the county seat of Colleton County.-History:...

, and three other state highways between Walterboro and Georgetown.

Major intersections

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|rowspan=1|Beaufort

Beaufort County, South Carolina

-National protected areas:*Ernest F. Hollings ACE Basin National Wildlife Refuge *Pinckney Island National Wildlife Refuge-Demographics:As of the census of 2000, there were 155,215 people, 45,532 households, and 33,056 families residing in the county. The population density was 206 people per...

Yemassee, South Carolina

Walterboro, South Carolina

Walterboro is a city in Colleton County, South Carolina, United States. The population was 5,153 at the 2000 census . It is the county seat of Colleton County.-History:...

Cottageville, South Carolina

Cottageville is a town in Colleton County, South Carolina, United States. The population was 707 at the 2000 census.-Geography:According to the United States Census Bureau, Cottageville has a total area of , all of it land.-Demographics:...

Berkeley County, South Carolina

Berkeley County is a county in the U.S. state of South Carolina. In 2000, its population was 142,651. The 2005 Census Bureau estimate placed the population at 151,673. Its county seat is Moncks Corner....

|rowspan=6|Summerville

Summerville, South Carolina

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|rowspan=5|Moncks Corner

Moncks Corner, South Carolina

Moncks Corner is a town in and the county seat of Berkeley County, South Carolina, United States. The population was 5,952 at the 2000 census....

Cooper River (South Carolina)

The Cooper River is a mainly tidal river in the U.S. state of South Carolina. These cities are located along the river, Mt. Pleasant, Charleston, North Charleston, Goose Creek and Hanahan. Short and wide, it is joined first by the blackwater East Branch, then farther downstream, the tidal Wando River...

Jamestown, South Carolina

Jamestown is a town in Berkeley County, South Carolina, United States. The population was 97 at the 2000 census.As defined by the U.S. Office of Management and Budget, and used by the U.S...

Santee River

The Santee River is a river in South Carolina in the United States, long. The Santee and its tributaries provide the principal drainage and navigation for the central coastal plain of South Carolina, emptying into the Atlantic Ocean approximately from its farthest headwater on the Catawba River...

Georgetown, South Carolina

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