U.S. Route 378
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U.S. Route 378 (US 378) is a spur of US 78 in the U.S. states of
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
and
South Carolina )'' Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
. The U.S. Highway runs from US 78,
Georgia State Route 10 State Route 10 (SR 10) is a state highway in the U.S. state of Georgia. It travels from Downtown Atlanta to the South Carolina state line in Augusta. This highway, along with U.S. Route 78 (US 78), connect three of the b ...
(SR 10), SR 17, and SR 47 in
Washington, Georgia Washington is the county seat of Wilkes County, Georgia, United States. Under its original name Heard's Fort, it was briefly designated as the state capital during the American Revolutionary War. It is noted as the place where the Confederacy ...
, east to US 501 Business in Conway, South Carolina. US 378 connects the
Central Savannah River Area The Central Savannah River Area (CSRA) is a trading and marketing region in the U.S. states of Georgia and South Carolina, spanning fourteen counties in Georgia and seven in South Carolina. The term was coined in 1950 by C.C. McCollum, the winn ...
in both states with the Midlands and
Pee Dee The Pee Dee is a region in the northeast corner of the U.S. state of South Carolina. It lies along the lower watershed of the Pee Dee River, which was named after the Pee Dee, a Native American tribe that historically inhabited the region. Hi ...
regions of South Carolina. The U.S. Highway's western portion, which connects Washington and Lincolnton in Georgia and McCormick, Saluda, and Lexington in South Carolina, is mainly a rural highway. US 378 is a major suburban and urban highway through Lexington and South Carolina's
state capital Below is an index of pages containing lists of capital cities. National capitals *List of national capitals * List of national capitals by latitude *List of national capitals by population * List of national capitals by area * List of capital c ...
, Columbia. The highway has a lengthy concurrency with US 76 between Columbia and
Sumter Sumter may refer to: People Given name * Sumter S. Arnim (1904–1990), American dentist * Sumter de Leon Lowry Jr. (1893–1985), United States Army general Surname * Rowendy Sumter (born 1988), Curaçaoan footballer * Shavonda E. Sumter ( ...
and serves as a major route between the Midlands and the
Myrtle Beach Myrtle Beach is a resort city on the east coast of the United States in Horry County, South Carolina. It is located in the center of a long and continuous stretch of beach known as "The Grand Strand" in the northeastern part of the state. Its ...
area, between which the highway has a business route through Lake City.


Route description

US 378 has a length of in Georgia and spans in South Carolina. The U.S. Highway is a part of the National Highway System from US 178 in Saluda east to US 501 and US 701 in Conway.


Georgia

US 378 begins at an intersection on the eastern edge of the city of Washington with US  78, SR 10, and SR 17, which form the north–south axis of the junction, and US 78 Business, SR 47, SR 10 Business, and SR 17 Business, which heads west on Robert Toombs Avenue toward downtown Washington. US 378 and SR 47 head east on Lincolnton Road, also known as Joe Wheeler Highway, which starts as a four-lane divided highway but becomes two lanes a short distance east of the intersection. Shortly after the Wilkes–
Lincoln Lincoln most commonly refers to: * Abraham Lincoln (1809–1865), the sixteenth president of the United States * Lincoln, England, cathedral city and county town of Lincolnshire, England * Lincoln, Nebraska, the capital of Nebraska, U.S. * Lincol ...
county line, the highways, now part of Washington Highway, meet the western end of SR 220, a C-shaped route through southern Lincoln County. US 378 and SR 47 gradually curve north and enter the city of Lincolnton as Washington Street. SR 47 splits east from the U.S. Highway and SR 43 begins to run concurrently with US 378 at their intersection with Elm Street. The highways pass along the west side of downtown Lincolnton and curve northeast, meeting the southern end of SR 79 (Goshen Street) before leaving the city. US 378 and SR 43 continue northeast on McCormick Highway, which meets the northern end of SR 43 Connector (Old Petersburg Road) a short distance east of the city limits at Wright's Crossing. The highways cross the Soap Creek branch of the Savannah River reservoir known as
Clarks Hill Lake Lake Strom Thurmond, officially designated J. Strom Thurmond Reservoir at the federal level, and Clarks Hill Lake by the state of Georgia, is a reservoir at the border between Georgia and South Carolina in the Savannah River Basin. Description ...
in Georgia and
Lake Strom Thurmond Lake Strom Thurmond, officially designated J. Strom Thurmond Reservoir at the federal level, and Clarks Hill Lake by the state of Georgia, is a reservoir at the border between Georgia and South Carolina in the Savannah River Basin. Description ...
in South Carolina.


South Carolina


State line to Saluda

US 378 and SR 43 meet the eastern end of SR 220 just west of
Elijah Clark State Park Elijah Clark State Park is a Georgia state park located in Lincolnton, on the western shore of Lake Strom Thurmond. The park is named for Elijah Clarke, a frontiersman and war hero who led a force of pioneers in Georgia during the American Re ...
. SR 43 reaches its northern terminus at the state line at the
thalweg In geography and fluvial geomorphology, a thalweg or talweg () is the line of lowest elevation within a valley or watercourse. Under international law, a thalweg is the middle of the primary navigable channel of a waterway that defines the boun ...
of the Savannah River in the center of the lake crossing. US 378 enters
Sumter National Forest The Sumter National Forest is one of two forests in South Carolina that are managed together by the United States Forest Service, the other being the Francis Marion National Forest. The Sumter National Forest consists of which are divided into 3 ...
and crosses the
Little River Little River may refer to several places: Australia Streams New South Wales *Little River (Dubbo), source in the Dubbo region, a tributary of the Macquarie River * Little River (Oberon), source in the Oberon Shire, a tributary of Coxs River (Haw ...
branch of the lake, on the east side of which is
Baker Creek State Park Baker Creek State Park is located adjacent to Lake Thurmond, near the town of McCormick in the county of McCormick, South Carolina. The park sits on land leased in 1967 from the US Army Corps of Engineers. Amenities in the park include two cam ...
. The highway continues to the town of McCormick, through which the highway follows Gold Street. US 378 intersects SC 28 (Mine Street) on the west side of downtown; US 221 leaves its concurrency with SC 28 coming from Augusta and joins US 378 through the downtown area. The U.S. Highways have a grade crossing of
CSX CSX Transportation , known colloquially as simply CSX, is a Class I freight railroad operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. The railroad operates approximately 21,000 route miles () of track. ...
's McCormick Subdivision and diverge on the east side of town, with US 221 heading northeast as Greenwood Highway. US 378 leaves McCormick, passes McCormick County Airport, and forms the southern boundary of Sumter National Forest east of the town. East of Liberty Hill, where the highway fully enters the national forest, the road crosses the McCormick– Edgefield county line. US 378 again forms the southern boundary of Sumter National Forest from its intersection with SC 67 (Callison Highway). The highway also intersects US 25 and SC 430 (Meeting Street Road) while passing along the northern tier of Edgefield County. US 378 leaves the national forest shortly after entering Saluda County. The highway enters the town of Saluda along Church Street and intersects Main Street, which carries US 178, SC 39, and SC 121. Two blocks to the east, US 378 turns north onto Jennings Street, then turns east on Travis Avenue at its junction with SC 194, which heads north on Jennings Street, and US 178 Connector, which heads west on Travis Avenue to connect with US 178.


Saluda to Sumter

US 378 crosses the
Little Saluda River The Saluda River is a principal tributary of the Congaree River, about 200 mi (320 km) long, in northern and western South Carolina in the United States. Via the Congaree River, it is part of the watershed of the Santee River, which f ...
and leaves Saluda along Columbia Highway. After crossing Clouds Creek, the highway meets SC 391 (Prosperity Highway/Summerland Highway) at a roundabout and enters
Lexington County Lexington County is a county located in the U.S. state of South Carolina. As of the 2020 census, the population was 293,991, and the 2021 population estimate was 300,137. Its county seat and largest town is Lexington. The county was chartered ...
. East of the Hollow Creek and Horse Creek branches of Lake Murray, US 378 expands to a four-lane road with center turn lane. The highway becomes concurrent with US 1 (Main Street) on the western edge of the town of Lexington. After US 1 splits southeast to head to the center of town, US 378 continues on Columbia Avenue, then has a brief concurrency with SC 6 along Lake Drive. The U.S. Highway exits the town along Sunset Boulevard. US 378 has a partial cloverleaf interchange with I-20 and a
single-point urban interchange A single-point urban interchange (SPUI, or ), also called a single-point interchange (SPI) or single-point diamond interchange (SPDI), is a type of highway interchange. The design was created in order to help move large volumes of traffic thr ...
with I-26 before entering the city of West Columbia. The highway meets the northern ends of SC 35 (12th Street) and SC 12 Connector (9th Street), which provides access to westbound SC 12. East of the connector route, US 378 becomes a four-lane undivided highway. The highway has a partial interchange with SC 12 (Jarvis Klapman Boulevard) that only allows access to and from Columbia. US 378 meets US 1 (Meeting Street) and the northern end of SC 2 (State Street) just before the two U.S. Highways cross the
Congaree River The Congaree River is a short but wide river in South Carolina in the United States; It flows for approximately 53 miles (85 km). The river serves an important role as the final outlet channel for the entire Lower Saluda and Lower Broad wate ...
on the four-lane Gervais Street Bridge into Richland County and the city of Columbia. The highways follow four-lane divided Gervais Street past EdVenture and the
South Carolina State Museum The South Carolina State Museum has four floors of permanent and changing exhibits, a digital dome planetarium (opened in 2014), 4D interactive theater and an observatory (both opened in 2014). The State Museum, is located along the banks of the Co ...
and intersect Huger Street, which carries US 21, US 176, and
US 321 U.S. Route 321 (US 321) is a spur of U.S. Route 21. It runs for from Hardeeville, South Carolina to Lenoir City, Tennessee; with both serving as southern termini. It reaches its northernmost point at Elizabethton, Tennessee. Because ...
. US 378 and US 1 cross over Norfolk Southern Railway's W Line and pass through the
Congaree Vista The Congaree Vista is a section of Columbia, South Carolina between the Congaree River and the central business district of downtown. The neighborhood was revitalized during the late 1990s and early 2000s. The section includes many small, upscal ...
neighborhood. At the intersection with SC 48 (Assembly Street), the highways pass between the
South Carolina State House The South Carolina State House is the building housing the government of the U.S. state of South Carolina, which includes the South Carolina General Assembly and the offices of the Governor and Lieutenant Governor of South Carolina. Located in th ...
and Capitol Center. US 378 begins its long concurrency with US 76 when the latter highway turns onto Gervais Street from Bull Street. The three U.S. Highways cross over Norfolk Southern's
Columbia District The Columbia District was a fur trading district in the Pacific Northwest region of British North America in the 19th century. Much of its territory overlapped with the disputed Oregon Country. It was explored by the North West Company betw ...
rail line before reaching Millwood Avenue, where US 1 turns north and US 378 and US 76 turn south. Gervais Street continues east as an unnumbered street several blocks through a residential area before reaching its eastern terminus. US 378 and US 76 follow Millwood Avenue, a four-lane street with center turn lane, southeast to an oblique intersection with Devine Street. Devine Street carries US 21 Connector and US 76 Connector west through Five Points and the University of South Carolina campus. The U.S. Highways continue east along Devine Street to their intersection with SC 16 (Beltline Boulevard), where the road expands to six lanes. A short distance to the east, US 378 and US 76 have an intersection with SC 760 (Fort Jackson Boulevard), which heads east toward the namesake military installation, and a second US 76 Connector that follows Cross Hill Road north to SC 16. East of their intersection with a third US 76 Connector, which heads east on Wildcat Road and west on Rosewood Drive, the U.S. Highways continue as Garners Ferry Road. US 378 and US 76 meet the western end of SC 262 (Leesburg Road) just west of the U.S. Highways' and state highway's partial cloverleaf interchanges with I-77 (Veterans Memorial Freeway). Southeast of I-77, the road becomes a four-lane divided highway, leaves the city of Columbia, and meet the northern end of SC 768 (Pineview Road). US 378 and US 76 enter a rural area and pass through Horrell Hill, where they meet the northern end of SC 769 (Congaree Road), pass
McEntire Joint National Guard Base McEntire Joint National Guard Base or McEntire JNGB is a military airport located in Richland County, South Carolina, United States, 10 miles (16 km) west of the town of Eastover and approximately 15 miles southeast of the city of Colum ...
, and have a junction with the western end of SC 764 (Old Eastover Road). The U.S. Highways have a
diamond interchange A diamond interchange is a common type of road junction, used where a controlled-access highway crosses a minor road. Design The freeway itself is grade-separated from the minor road, one crossing the other over a bridge. Approaching the ...
with US 601 (McCords Ferry Road) and an intersection with SC 263 (Vanbloken Road) north of Eastover before they cross the
Wateree River } The Wateree River, about 75 mi (120 km) long, is a tributary of the Santee River in central South Carolina in the United States, which flows to the Atlantic Ocean. It was named for the Wateree Native Americans, a tribe who had migrate ...
into Sumter County.


Sumter to Conway

East of the extensive swamp surrounding the Wateree River, US 378 and US 76 pass south of the village of Stateburg and intersect
SC 261 South Carolina Highway 261 (SC 261) is a state highway in the U.S. state of South Carolina. It travels between Yauhannah in Georgetown County to Kershaw County. Although the highway covers more east–west distance, it is signed northâ ...
(Kings Highway). East of SC 441, Peach Orchard Road/Patriot Parkway), the U.S. Highways enter the city of Sumter, through the western portion of which they follow Broad Street. US 378 and US 76 have a
trumpet interchange In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, usi ...
with Shaw Drive, the main access to
Shaw Air Force Base Shaw Air Force Base (Shaw AFB) is a United States Air Force (USAF) base located approximately west-northwest of downtown Sumter, South Carolina. It is one of the largest military bases operated by the United States, and is under the jurisdict ...
, and follow the southern boundary of the military reservation. East of the base, the highways pass through a commercial area and meet the northern end of SC 120 (Alice Drive) just west of where Broad Street continues along US 76 Business while the U.S. Highways continue along the Robert E. Graham Freeway. Just east of the business route, US 378 and US 76 have a half-diamond interchange with
US 521 U.S. Route 521 (US 521) is a north–south United States Highway that traverses , from Georgetown, South Carolina, to Charlotte, North Carolina. Though numbered as an auxiliary route of US 21, it does not actually intersect i ...
(Camden Highway) allowing access with US 521 to and from the east; the other movements are made via US 76 Business and Jefferson Road. A pair of frontage roads parallels the freeway; the U.S. Highways have
right-in/right-out Right-in/right-out (RIRO) and left-in/left-out (LILO) refer to a type of three-way road intersection where turning movements of vehicles are restricted. A RIRO permits only right turns and a LILO permits only left turns. "Right-in" and "left-in" r ...
interchanges with the frontage roads just west of the overpass of
US 15 U.S. Route 15 (US 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 Car ...
(Main Street). The frontage roads end at the freeway's diamond interchange with
US 401 U.S. Route 401 (US 401) is a north–south United States highway, a spur of U.S. Route 1, that travels along the Fall Line from Sumter, South Carolina to Interstate 85 near Wise, North Carolina. Route description Starting in Sum ...
. US 378 and US 76 cross a rail spur before highways exit the city of Sumter and the frontage roads reappear along the freeway. The U.S. Highways diverge at their partial cloverleaf interchange with the eastern end of US 76 Business (Liberty Street); US 76 heads east as Florence Highway while US 378 continues southeast along the freeway to East Sumter, where it ends at the eastern terminus of SC 763 (Myrtle Beach Highway). US 378 continues east as Myrtle Beach Highway, a four-lane divided highway. The highway crosses the Black River and intersects SC 527 (Brick Church Road) at McBrides Corner. US 378 has an acute junction with SC 53 (Narrow Paved Road) and a diamond interchange with
I-95 Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from US Route 1 (US 1) in Miami, Florida, to the Houlton–Woodstock Border Crossing between Maine and the Canadia ...
before entering Clarendon County, where the route follows Clarence Coker Highway. The highway becomes undivided as it enters the town of Turbeville. US 378 runs concurrently with
US 301 U.S. Route 301 (US 301) is a spur of U.S. Route 1 running through the South Atlantic States. It runs from Biddles Corner, Delaware at Delaware Route 1 to Sarasota, Florida at U.S. Route 41. It passes through the states of Delaware, Mar ...
along four-lane undivided Main Street, which intersects SC 58 (Gamble Street) one block north of the US 378–US 301 junction. The two U.S. Highways split near the northern end of town, with US 378 continuing east as a four-lane road with center turn lane. The highway enters
Florence County Florence County is the name of two counties in the United States: *Florence County, South Carolina *Florence County, Wisconsin Florence County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 4,55 ...
, where its name changes to Turbeville Highway, then returns to the county line and runs atop the southern boundary of Florence County. During this stretch, the county to the south of the highway becomes Williamsburg County. Soon after US 378 fully enters Florence County, the highway intersects SC 341 (Olanta Highway). The two highways briefly run together before SC 341 continues straight concurrent with US 378 Business on Lake City's Main Street while US 378 splits northeast to bypass Lake City. North of the town, the U.S. Highway has a diamond interchange with
US 52 U.S. Route 52 (US 52) is a major United States highway in the central United States that extends from the northern to southeastern region of the United States. Contrary to most other even-numbered U.S. Highways, US 52 primarily follows ...
(Ron McNair Boulevard). US 378 crosses over CSX's
Charleston Subdivision The Charleston Subdivision is a railroad territory owned by CSX Transportation in the U.S. states of South Carolina and Georgia. The line from Florence, South Carolina, to Savannah, Georgia, for a total of 195.8 miles. At its north end it contin ...
before collecting the eastern end of US 378 Business (Myrtle Beach Highway). US 378 continues northeast as Myrtle Beach Highway. The highway crosses the
Lynches River Lynches River, named for Thomas Lynch, Jr., signer of the Declaration of Independence, rises in North Carolina near Waxhaw, North Carolina, at about 700 feet (210 m) elevation, flowing only a short distance to the South Carolina border, and th ...
and curves southeast and then east through the hamlet of Hannah. SC 51 (Pamplico Highway) joins US 378 on a tangent curve at Salem and follows the U.S. Highway east to Kingsburg, where SC 51 turns south onto Kingsburg Highway and SC 41 joins the U.S. Highway as it curves northeast U.S. Highway 378 reduces to two lanes near Capitola Road in Johnsonville. and crosses the
Great Pee Dee River The Pee Dee River, also known as the Great Pee Dee River, is a river in the Carolinas of the United States. It originates in the Appalachian Mountains in North Carolina, where its upper course, above the mouth of the Uwharrie River, is known as ...
into Marion County. The two highways curve southeast and cross over CSX's Andrews Subdivision before SC 41 splits to the north on a tangent curve. The U.S. Highway meets the southern end of SC 908 south of Brittons Neck before it curves east and crosses the Little Pee Dee River into
Horry County Horry County ( ) is the easternmost county in the U.S. state of South Carolina. As of the 2020 census, its population was 351,029. It is the fourth-most populous county in South Carolina. The county seat is Conway. Horry County is the central ...
. US 378 expands to a four-lane road with center turn lane shortly after passing Conway-Horry County Airport and enters the city of Conway as Wright Boulevard. West of downtown, the U.S. Highway has an oblique intersection with Church Street, which carries US 501 through the intersection and US 701 north of the intersection. Southbound US 701 continues south on Church Street to a ramp to 4th Avenue while northbound US 701 runs concurrently with US 378 from 4th Avenue, which heads west as US 701 toward Georgetown and east as SC 905. US 378 curves northeast, becomes 3rd Avenue, and reduces to two lanes as it enters the
Conway Downtown Historic District Conway Downtown Historic District is a national historic district located at Conway in Horry County, South Carolina. It encompasses the historic commercial and governmental core of the city and includes 32 contributing buildings and one contri ...
, where it reaches its eastern terminus at US 501 Business (Main Street) next to the Old Conway County Courthouse.


History

In the early part of the 21st century, the bridge crossing the Georgia–South Carolina state line over the Savannah River was deemed to be "structurally deficient". It wasn't until 2014 that
Alabama (We dare defend our rights) , anthem = "Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,765 ...
-based Scott Bridge Company began construction on a replacement for the bridge. It wasn't determined that the bridge was in danger of collapse; rather, the term was used in reference to a possible crack or split in the concrete of the bridge. Construction began in April 2010. However, in 2012, construction was halted due to a "rare chemical reaction", known as delayed
ettringite Ettringite is a hydrous calcium aluminium sulfate mineral with formula: . It is a colorless to yellow mineral crystallizing in the trigonal system. The prismatic crystals are typically colorless, turning white on partial dehydration. It is part of ...
. This condition caused the support columns of the bridge to swell up and begin splitting. It was the first time this condition was ever encountered in Georgia. It was discovered after personnel from
GDOT The Georgia Department of Transportation (GDOT) is the organization in charge of developing and maintaining all state and federal roadways in the U.S. state of Georgia. In addition to highways, the department also has a limited role in developin ...
, Scott Bridge Company, and scientists from the Georgia Institute of Technology conducted a thorough examination of the bridge and supporting structure. In Spring 2014, construction resumed, using a new method in which water cools freshly-poured concrete while it cures. The $36.2 million bridge opened on December 21, 2016.


South Carolina Highway 54

South Carolina Highway 54 (SC 54) was a state highway that was established around 1926 from SC 3 (now US 76 Business) in
Sumter Sumter may refer to: People Given name * Sumter S. Arnim (1904–1990), American dentist * Sumter de Leon Lowry Jr. (1893–1985), United States Army general Surname * Rowendy Sumter (born 1988), Curaçaoan footballer * Shavonda E. Sumter ( ...
east to
SC 4 The 4th congressional district of South Carolina is a congressional district in The Upstate, upstate South Carolina bordering North Carolina. It includes parts of Greenville County, South Carolina, Greenville and Spartanburg County, South Car ...
(now
US 301 U.S. Route 301 (US 301) is a spur of U.S. Route 1 running through the South Atlantic States. It runs from Biddles Corner, Delaware at Delaware Route 1 to Sarasota, Florida at U.S. Route 41. It passes through the states of Delaware, Mar ...
) in Turbeville. In 1929, it was extended to the east to end at SC 341 in Lake City. In 1939, SC 54, along with
US 52 U.S. Route 52 (US 52) is a major United States highway in the central United States that extends from the northern to southeastern region of the United States. Contrary to most other even-numbered U.S. Highways, US 52 primarily follows ...
and SC 341, was extended farther into Lake City. Then, SC 54 was extended to SC 51 in Salem. Between 1943 and 1947, its path just west of the
Lynches River Lynches River, named for Thomas Lynch, Jr., signer of the Declaration of Independence, rises in North Carolina near Waxhaw, North Carolina, at about 700 feet (210 m) elevation, flowing only a short distance to the South Carolina border, and th ...
was straightened out. In late 1951, it was decommissioned; most of its path was redesignated as part of US 378.


Future


Major intersections


Special routes


Sumter business loop

U.S. Route 378 Business (US 378 Bus.) was a business route of US 378 that existed in
Sumter Sumter may refer to: People Given name * Sumter S. Arnim (1904–1990), American dentist * Sumter de Leon Lowry Jr. (1893–1985), United States Army general Surname * Rowendy Sumter (born 1988), Curaçaoan footballer * Shavonda E. Sumter ( ...
. It used Broad Street, Liberty Street, and Myrtle Beach Boulevard. It was established in 1958 as a renumbering of mainline US 378 through downtown Sumter.


Lake City business loop

U.S. Route 378 Business (US 378 Bus.) is a business route of US 378 through Lake City. The highway travels from US 378 and
South Carolina Highway 341 South Carolina Highway 341 (SC 341) is a state highway that travels through the northeastern part of the U.S. state of South Carolina. It travels diagonally from the southeast to northwest (but signed as north–south) from SC 41 ...
(SC 341) west of the city to US 378 east of the city. US 378 Bus. begins heading east from US 378 (Turbeville Highway)
concurrent Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...
with SC 341 along two-lane Main Street. The two highways enter the city just east of Lake City Memorial Park. In the center of the city, US 378 Bus. and SC 341 have an intersection with
US 52 U.S. Route 52 (US 52) is a major United States highway in the central United States that extends from the northern to southeastern region of the United States. Contrary to most other even-numbered U.S. Highways, US 52 primarily follows ...
(Ron McNair Boulevard). One
block Block or blocked may refer to: Arts, entertainment and media Broadcasting * Block programming, the result of a programming strategy in broadcasting * W242BX, a radio station licensed to Greenville, South Carolina, United States known as ''96.3 ...
after their grade crossing of CSX's
Charleston Subdivision The Charleston Subdivision is a railroad territory owned by CSX Transportation in the U.S. states of South Carolina and Georgia. The line from Florence, South Carolina, to Savannah, Georgia, for a total of 195.8 miles. At its north end it contin ...
, the highways diverge. The main highway continues east on Main Street while the business route turns north onto Church Street. US 378 Bus. leaves the city limits at its crossing of Lake Swamp and reaches its eastern terminus at US 378 (Myrtle Beach Highway).


Conway truck route

U.S. Route 378 Truck (US 378 Truck) is a
truck route A truck or lorry is a motor vehicle designed to transport cargo, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame constructi ...
of US 378 that partially exists in Conway and Red Hill. It directs
truck A truck or lorry is a motor vehicle designed to transport cargo, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame constructi ...
traffic onto US 501,
South Carolina Highway 544 Connector (Red Hill 1) South Carolina Highway 544 (SC 544) is a major four-lane state highway in Horry County, South Carolina. It connects the Surfside Beach and Conway areas. The highway is sometimes known as Dick Pond Road in the Socastee area. Route d ...
(SC 544 Conn.), US 501 Business (US 501 Bus.), SC 90, Old Reaves Ferry Road, and SC 905. Its entire length is
concurrent Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...
with US 701 Truck. It is loosely signed, frequently in Conway and Red Hill, and infrequently outside the city limits of both locales.


See also

* * *


References


External links


The Highways of South Carolina: US 378


{{US 78 78-3 78-3 78-3 3 Transportation in Wilkes County, Georgia Transportation in Lincoln County, Georgia Transportation in McCormick County, South Carolina Transportation in Edgefield County, South Carolina Transportation in Saluda County, South Carolina Transportation in Lexington County, South Carolina Transportation in Richland County, South Carolina Transportation in Sumter County, South Carolina Transportation in Clarendon County, South Carolina Transportation in Florence County, South Carolina Transportation in Marion County, South Carolina Transportation in Horry County, South Carolina