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| ROUTE LOG |
US 501 Bus: 0 - 0 SC 905: 0.8 - 0.8 US 501, US 701: 0.1 - 0.9 Marion-Horry Line: 11.5 - 12.4 SC 908: 5.1 - 17.5 SC 41 NB: 5.6 - 23.1 Florence-Marion Line: 1.9 - 25 SC 41 SB, SC 51 SB: 1.8 - 26.8 SC 51 NB: 3.3 - 30.1 US 378 Bus: 14.7 - 44.8 US 52: 1.2 - 46.0 US 378 Bus, SC 341: 2.4 - 48.4 Williamsburg-Florence Line: 3.0 - 51.4 Clarendon-Williamsburg Line: 2.4 - 53.8 US 301 NB: 7.8 - 61.6 SC 58: 0.4 - 62.0 US 301 SB: 0.1 - 62.1 Sumter-Clarendon Line: 3.4 - 65.5 I-95 (exit 135): 1.1 - 66.6 SC 53: 1.7 - 68.3 SC 527: 1.5 - 69.8 SC 763: 8.4 - 78.2 US 76 EB, US 76 Bus: 1.3 - 79.5 US 401: 0.9 - 80.4 US 15: 1.5 - 81.9 US 76 Bus, US 521: 2.6 - 84.5 SC 120: 0.3 - 84.8 SC 441: 7.2 - 92.0 SC 261: 1.7 - 93.7 Richland-Sumter Line: 6.1 - 99.8 SC 263: 1.2 - 101.0 US 601: 1.7 - 102.7 SC 764: 5.1 - 107.8 SC 769: 4.5 - 112.3 SC 768: 4.5 - 116.8 I-77 (exit 9): 1.9 - 118.7 SC 262: 0.1 - 118.8 SC 760: 1.6 - 120.4 SC 16: 0.2 - 120.6 US 1 NB: 2.3 - 122.9 SC 277: 0.9 - 123.8 SC 48: 0.4 - 124.2 US 21, US 176, US 321: 0.6 - 124.8 Lexington-Richland Line: 0.4 - 125.2 US 1 SB: 0.3 - 125.5 SC 2: 0.1 - 125.6 SC 12: 0.1 - 125.7 SC 35: 1.3 - 127.0 I-26 (exit 110): 2.0 - 129 I-20 (exit 61): 2.5 - 131.5 SC 6 WB: 5.6 - 137.1 SC 6 EB: 0.3 - 137.4 US 1 NB: 1 - 138.4 US 1 SB: 0.7 - 139.1 Saluda-Lexington Line: 14.4 - 153.5 SC 391: 3.0 - 156.5 SC 194: 13.5 - 170.0 US 178, SC 39, SC 121: 0.1 - 170.1 Edgefield-Saluda Line: 7.6 - 176.7 SC 430: 3.0 - 179.7 US 25: 6.9 - 186.6 SC 67: 4.0 - 190.6 McCormick-Edgefield Line: 2.2 - 192.8 US 221 NB: 7.9 - 200.7 US 221 SB, SC 28: 0.6 - 201.3 GA STATE LINE: 7.0 - 208.3
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Creation: Appeared in 1952, replacing SC 43 from Georgia to West Columbia
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SC 43 Georgia to West Columbia 1951 Official
US 378 replaces SC 43 1952 Official US 378 was also added to US 1 into Columbia; added to US 76 to Sumter; replaced SC 54 to Kingsburg; replaced SC 175 across the Pee Dee River; replaced SC 90 to end at US 501 (now US 501 Bus/SC 905) Conway.
US 76, SC 54, SC 90 Columbia to Conway 1951 Official
US 378 Columbia to Conway 1952 Official Adjustments: In 1957, US 378 received its bypass of Lake City, leaving behind US 378 Business.
Also in 1957, US 378 was removed from the concrete Arthur Rd loop west of Shaw AFB. In Nov 1958 (SCDOT), US 378 was given a bypass of Sumter around the north side. The old route became US 378 Business (now US 76 Business and SC 763).
Improvements: Fully paved upon designation. The first multilane section of US 378 was in place by 1954, from the US 1 split in West Columbia east to SC 262. In 1957, the next section to be upgraded was from SC 262 east to SC 263 and from SC 441 to Sumter. In 1959, US 378 was 4-lane from Columbia to the east end of the Sumter Bypass, except for the Wateree River causeway. In 1964, US 378 was 4-lane from about today's SC 35 to Columbia. In 1971, US 378 was four laned over the Wateree River. In 1972, US 378 was four laned out from SC 35 to I-26. In 1973, US 378 was 4-laned between I-20 and I-26. In 1976, US 378 was 4-laned on the last 2 miles into Conway. In 1977, US 378 was 4-laned from east Sumter to US 301 Turbeville. In 1978, US 378 was 4-laned from I-20 to Lexington. In 1997, US 378 was 4-laned from Lexington west to S-32-204. In 2001, US 378 was 4-laned from S-32-204 west to S-32-24 (old SC 113) in western Lexington County. The Lake City bypass was 4-laned in 2004. In 2006, US 378 was multilaned from Turbeville to Lake City. By 2008, US 378 was multilaned in Kingsburg Comment: US 378 essentially slices South Carolina in half, serving a number of county seats - McCormick, Saluda, Lexington, Columbia, Sumter, and Conway. US 378's junction with SC 391 is the most rural traffic circle I personally know of - miles from any real towns. US 378 can be used as a viable alternative to reach the Grand Strand. | |||||||||
Conway (Horry County)
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Page last modified 26 August 2017