Question: when will hwy 31 open?
Answer: The first phase opened on December 17, 2002, completing a 22-mile (35 km) link between U.S. Route 501 (US 501) and SC 9. The second phase opened in March 2005, running from US 501 southwest to and S.C. Highway 544. The third phase opened on November 7, 2019, extending to SC 707.