Dominion News, Two I-79 Sections Opened, December 23, 1971 Charleston Daily Mail, 40 Miles More of I-79 Open, December 23, 1971 Charleston Gazette, I-79 Mileage Increased to 40, December 23, 1971 Dominion News, January 23, 1972 On September 19, 1973, another 7 miles stretch was opened, from Exit 105 (Jane Lew) south to Exit 99 (Weston).