State Highway 30, or SH 30, runs from Business SH 6-R in College Station via Roans Prairie to SH 19 in Huntsville. This route was designated in 1960, replacing SH 45. It is known as Harvey Road between Business SH 6-R and FM 158 in College Station, as 11th Street between I-45 and US 190 (Phelps Dr) in Huntsville, and as Riverside Drive east of US 190 (Phelps Dr) in Huntsville.