By 1963, the route had been completed from the end of the Everett Turnpike section, through Concord and north to Tilton (exit 20), and to NH 104 in New Hampton by 1964 (exit 23) and to Plymouth by 1965 (exit 26), and from there gradually northward until it reached the southern end of Franconia Notch. By 1977, I-93 was completed between exit 7 and the Everett Turnpike in Hooksett, completing the Alan B. Shepard Highway segment of I-93 and closing the gap that had stood for 15 years. The Everett Turnpike section had been built in 1957 and incorporated into I-93 in 1958. After the completion of the Alan B. Shepard Highway portion, the portion concurrent with NH 101 was widened to eight lanes, while the Everett Turnpike section from Hooksett to Concord was widened to six lanes in 1978.
by 1963 the route had been completed from the end of the everett turnpike section through concord and north to tilton (exit 20) and to nh 104 in new hampton by 1964 (exit 23) and to plymouth by 1965 (exit 26) and from there gradually northward until it reached the southern end of franconia notch by 1977 i-93 was completed between exit 7 and the everett turnpike in hooksett completing the alan b shepard highway segment of i-93 and closing the gap that had stood for 15 years the everett turnpike section had been built in 1957 and incorporated into i-93 in 1958 after the completion of the alan b shepard highway portion the portion concurrent with nh 101 was widened to eight lanes while the everett turnpike section from hooksett to concord was widened to six lanes in 1978