South Carolina Highway 121
Highway in South Carolina From Wikipedia, the free encyclopedia
Highway in South Carolina From Wikipedia, the free encyclopedia
South Carolina Highway 121 (SC 121) is a 134.200-mile (215.974 km) major state highway that travels north and south in central parts of the U.S. state of South Carolina. The highway is actually part of a long multi-state highway that also exists in Florida and Georgia, as Florida State Road 121 and Georgia State Route 121, respectively.
South Carolina Highway 121 | ||||
|---|---|---|---|---|
 Route of SC 121 highlighted in red | ||||
| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 134.200 mi[1][2][3][4][5][6][7] (215.974 km) | |||
| Existed | 1964[citation needed]–present | |||
| Major junctions | ||||
| South end |       US 1 / US 25 / US 78 / US 278 / SR 10 / SR 121 at the GA state line near North Augusta | |||
| North end |   US 21 / SC 322 in Rock Hill | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Aiken, Edgefield, Saluda, Newberry, Union, Chester, York | |||
| Highway system | ||||
| ||||
![[icon]](#/media/File:Wiki_letter_w_cropped.svg){kind=small} | This section needs expansion. You can help by adding to it. (April 2014) |
SC 121 continues its concurrency with U.S. Route 25 (US 25) from Augusta, Georgia into North Augusta, South Carolina. In the Schultz Hill section of North Augusta, US 25/SC 121 leaves the concurrency with US 1 and US 78, and heads north. Still within North Augusta, it has an interchange with Interstate 520 (I-520) at exit 22 and I-20 (at exit 5).[8]
In Trenton at the northern terminus of SC 19, US 25 turns to the north. From there the route becomes independent and it runs mainly through rural western South Carolina. Johnston is where the route serves as the northern terminus of SC 191 and later crosses SC 23.[8]
In Saluda, SC 121 is overlapped by US 178/SC 39, then intersects US 378. The overlap with US 178/SC 39 ends at Travis Road. Later it crosses a bridge over the Saluda River and is then overlapped with SC 34 until it reaches Newberry. Barely inside Newberry, the route becomes the terminus of SC 395 and then has a major intersection with US 76. Further north it encounters a quarter-cloverleaf interchanges with I-26 (at exit 72).[8]
North of Newberry, it encounters yet another concurrency with US 176, which it follows straight north before curving to the west as it enters Whitmire, where the routes make a sharp turn to the east and encounters the beginning of a long concurrency with SC 72. After a bridge over the Enoree River, the concurrency with US 176 ends just east of Whitmire.[8]
SC 121/72 runs through Carlisle where it has another concurrency with SC 215, which ends east of the bridge over the Broad River, which contains a monument to an American Revolutionary battle known as the Battle of Fishdam Ford.[8]
SC 121/72 does not encounter any major junctions for about 12 miles (19.3 km) until they reach Chester, where SC 121/72 has another concurrency, this time with US 321/SC 9. This concurrency runs southeast until US 321 branches off to the south at the southern terminus of US 321 Business (US 321 Bus.). The routes continue to the east along SC 97, running beneath a railroad bridge, and then turning toward the north. SC 9 makes a right turn at Lancaster Avenue, which is the eastern terminus of SC 9 Bus. SC 121/72/97 has an at-grade crossing with another railroad line leading to the city, and then SC 121/72 branches off to the right at Saluda Road (SC 72 Bus.), while SC 97 continues north.[8]
The concurrency with SC 72 finally ends at SC 901 in Rock Hill. Within the city, it joins briefly with SC 5, before merging with its final concurrency, US 21. Traversing east of the downtown area, its journey ends at Cherry Road, where US 21 continues north towards Fort Mill, while also connecting with SC 322.[8]
SC 121 is one of the most concurrent state highways in South Carolina. It shares long stretches of pavement with these two routes:
It has shorter concurrencies with US 1, 78, and 278 (altogether), SC 230, US 178, SC 39, SC 34, US 176, SC 215, US 321, SC 9, SC 97, SC 909, SC 5, and US 21.
SC 121 had two previous stints in the state before its current routing was established. The first SC 121 was established in 1925 or 1926 as a new primary routing; it traversed from SC 27 in Aiken, northeast through Wagener and Pelion, to SC 2/SC 12 in Springdale. In 1928, it was renumbered as SC 215.[citation needed]
The second SC 121 was established in 1929 or 1930 as new primary routing; it traversed from US 21 in Branchville, east through Bowman, to SC 31 in Providence. In 1937 or 1938, SC 121 was extended along US 78 before branching off to end at SC 65; its eastern terminus was also extended to US 15. In 1940, SC 121 was extended southwest to SC 362, and east to SC 6 in Vance. In 1948, SC 121 was truncated on both ends, from US 21 to US 15; its routing to SC 61 became Farrell's Road (S-5-18). By 1952, it was extended east to SC 310 in Vance. In 1953, it was extended completely back to SC 6. In 1962-1964, the entire route was renumbered as SC 210.[9][10]
The third, and current, SC 121 was established in 1962-1964, which formed a three-state route (continues south as Georgia State Route 121 and Florida State Road 121 to Lebanon Station, Florida). From North Augusta to Rock Hill, it was placed on concurrencies with various highways throughout the state; with exception around Whitmire, where it replaced part of SC 19. Its routing has remained unchanged since inception.[11][12][13][14]
| County | Location | mi[1][2][3] [4][5][6][7] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Savannah River | 0.000 | 0.000 |   US 1 / US 25 / SR 121 south / US 78 / US 278 / SR 10 west (Gordon Highway) – Augusta | Continuation from Georgia | |
| 0.000– 0.005 | 0.000– 0.0080 | South Carolina–Georgia line | |||
| Aiken | North Augusta | 0.188– 0.340 | 0.303– 0.547 | 5th Street Bridge / River North Drive | Interchange |
| 0.710 | 1.143 |   US 1 north / US 78 / US 278 east – Aiken | Northern end of US 1 and US 78/US 278 concurrencies | ||
| 0.860 | 1.384 |  Buena Vista Avenue east (SC 125 Conn. east) to US 78 west / US 1 south – Augusta | Southern end of SC 125 Conn. concurrency[15] | ||
| 0.970 | 1.561 | Buena Vista Avenue west (SC 125 Conn. west) | Northern end of SC 125 Conn. concurrency[15] | ||
| 1.390 | 2.237 |    SC 125 / SC 230 north (Atomic Road) – North Augusta, Savannah River SiteSC 125 Truck begins | Southern end of SC 125 Truck/SC 230 concurrencies; southern terminus of SC 125 Truck and SC 230 | ||
| 1.820 | 2.929 | SC 230 north (Martintown Road / SC 125 Truck north) – Lake Thurmond | Northern end of SC 125 Truck/SC 230 concurrency | ||
| 3.590 | 5.778 |  US 25 Bus. south (Georgia Avenue) – Augusta | Northern terminus of US 25 Bus. | ||
| 4.610 | 7.419 |   SC 126 east (Belvedere Clearwater Road) – Clearwater | Western terminus of SC 126 | ||
| 6.170 | 9.930 |   US 25 Conn. south to I-520 | Northern terminus of US 25 Connector; I-520 exit 22 | ||
| 7.020 | 11.298 |  I-20 – Columbia, Atlanta | I-20 exit 5 | ||
| Edgefield | Trenton | 20.360– 20.410 | 32.766– 32.847 |   US 25 north / SC 19 south – Edgefield, Aiken | Northern end of US 25 concurrency; northern terminus of SC 19 |
| 20.940 | 33.700 |  West Wise Street east (SC 19 Conn. south) – Trenton Municipal Airport, Douglas Elementary School | Northern terminus of SC 19 Conn.; western terminus of West Wake Street | ||
| | 27.140 | 43.678 |  SC 191 south – Aiken | Northern terminus of SC 191 | |
| Johnston | 28.380 | 45.673 |  SC 23 – Edgefield, Ridge Spring | ||
| Saluda | | 36.440 | 58.644 |  SC 193 south – Ward | Northern terminus of SC 193 |
| Saluda | 40.980 | 65.951 |   US 178 east / SC 39 south (Batesburg Highway) – Batesburg-Leesville, Ridge Spring | Southern end of US 178/SC 39 concurrency | |
| 41.180 | 66.273 |  US 378 (Church Street) – Lexington, McCormick | |||
| 41.530 | 66.836 |   US 178 west / SC 39 north (Greenwood Highway) to Travis Highway east (SC 178 Conn. east) / US 378 east / SC 194 – Greenwood, Columbia | Northern end of US 178/SC 39 concurrency; western terminus of US 178 Conn. | ||
| Newberry | Silverstreet | 56.700 | 91.250 |   SC 34 west – Silverstreet, Greenwood | Southern end of SC 34 concurrency; to Ninety Six National Historic Site |
| | 61.230 | 98.540 | SC 34 east (Boundary Street) – Newberry | Northern end of SC 34 concurrency | |
| | 61.950 | 99.699 | Dixie Drive east (SC 34 Conn. east) – Winnsboro | Western terminus of SC 34 Conn. | |
| Newberry | 64.090 | 103.143 |  SC 395 south (Nance Street) – Newberry | Northern terminus of SC 395 | |
| | 65.680 | 105.702 |  US 76 – Prosperity, Clinton | ||
| | 67.480– 67.519 | 108.599– 108.661 |  I-26 – Columbia, Spartanburg | I-26 exit 72 | |
| | 73.500 | 118.287 |  US 176 east – Pomaria | Southern end of US 176 concurrency | |
| Whitmire | 81.850 | 131.725 |   SC 72 west (Union Street) to SC 66 – Whitmire, Clinton | Southern end of SC 72 concurrency | |
| Enoree River | 82.337 | 132.509 | Senator Marvin E. Abrams Bridge | ||
| Union | | 82.360 | 132.546 | US 176 north – Union | Eastern end of US 176 concurrency |
| | 82.570 | 132.884 |  SC 72 Conn. west to US 176 west – Union | Eastern terminus of SC 72 Conn. | |
| Carlisle | 91.550 | 147.335 |  SC 215 north (King Kennedy Street) – Santuc, Union | Western end of SC 215 concurrency | |
| Chester | | 95.480 | 153.660 | SC 215 south (Fairfield Road) – Monticello, Columbia | Eastern end of SC 215 concurrency |
| Chester | 107.970 | 173.761 |   US 321 north / SC 9 north (J.A. Cochran Bypass) / West End Street north – Chester, Lockhart | Western end of US 321 and SC 9 concurrencies; southern terminus of West End Street | |
| 109.810 | 176.722 |  US 321 south / SC 97 south / US 321 Bus. north (Columbia Street) – Winnsboro, Great Falls | Eastern end of US 321 concurrency; western end of SC 97 concurrency; southern terminus of US 321 Bus. | ||
| 111.030 | 178.685 |  SC 9 south / SC 9 Bus. north (Lancaster Highway) – Lancaster, Chester | Eastern end of SC 9 concurrency; southern terminus of SC 9 Bus. | ||
| 112.050 | 180.327 | SC 97 north (J.A. Cochran Bypass) / Saluda Road south – Chester, Hickory Grove | Eastern end of SC 97 concurrency | ||
| Lewis | 117.270 | 188.728 |  SC 909 east (Rodman Road) | Western end of SC 909 concurrency | |
| 117.370 | 188.889 | SC 909 west (Aaron Burr Road) | Eastern end of SC 909 concurrency | ||
| York | | 123.940 | 199.462 |  SC 324 west – York | Eastern terminus of SC 324 |
| Rock Hill | 128.020 | 206.028 |  SC 72 east (Saluda Street) / SC 901 (Mount Holly Road) – Rock Hill, Edgemoor | Northern end of SC 72 concurrency | |
| 128.230 | 206.366 |  SC 5 north (Heckle Boulevard) | Southern end of SC 5 concurrency | ||
| 130.610 | 210.196 |  US 21 south / SC 5 south (Main Street) to I-77 – Lancaster, Columbia | Southern end of US 21 concurrency; northern end of SC 5 concurrency | ||
| 131.070 | 210.937 |  SC 122 (Dave Lyle Boulevard) to I-77 | To Catawba Reservation; interchange | ||
| 134.200 | 215.974 | US 21 north / SC 322 west (Cherry Road) – Fort Mill | Northern end of US 21 concurrency; northern terminus; eastern terminus of SC 322 | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| |||||
 South Carolina Highway 121 Business | |
|---|---|
| Location | Chester, South Carolina |
| Length | 2.6 mi[16] (4.2 km) |
| Existed | 1964–c. 1987 |
SC 121 Business (SC 121 Bus.) was established in 1964 to run concurrently with SC 72 Bus.; through downtown Chester, via West End Street, Main Street and Saluda Street/Road. It was never part of mainline SC 121, as it bypassed Chester to the south and east with SC 72. It is unknown when the business loop was decommissioned.
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