State Highway 93 (SH 93) is a numbered state highway in Texas. It covers a total of 6.56 miles (10.56 km), entirely within the city limits of Texarkana. This route was designated in 1967, when Summerhill Road was extended along the former Chance St. to an intersection with New Boston Rd. (U.S. Highway 82). The route was later extended along Lucas St. to connect with Lake Dr. at 10th St.SH 93 includes the portion of Summerhill Road south of Interstate 30.