There are a few memorial names.

MoDOT says MO 30 is dubbed "SFC WM. BRIAN WOODS JR. MEMORIAL HIGHWAY" from MO NN to Gravois Road in Jefferson County, "GENE ROBERTS WW2 BLUEGRASS DJ MEMORIAL HIGHWAY" from Gravois Road to Carol Park Road in Jefferson County, "SGT EDWARD FORREST JR - ARMY" from MO PP to Dillon Road in Jefferson County, "OFFICER BLAKE SNYDER MEMORIAL HIGHWAY" from Sappington Barracks Drive to MO P in St. Louis County, and "CHIEF JERRY BUEHNE MEMORIAL ROAD" from there to St. Louis city limits.