sentences:  A second section, from the Georgia state line to US 25 / SC 121 was completed in 1967.In 1968 or 1969, I-20 was extended east from Spears Creek Church Road (S-40-53) to US 601, south of Camden.In 1971, I-20 combined the two segments by completing the gap between US 25 / SC 121 to SC 6.