Just before reaching Rogersville, Route 21 merges with Pennsylvania Route 18 near West Greene High School.
West Germany | West Bengal | high school | West Virginia | West Indies | Südoststeiermark District | West End | West Yorkshire | Kanye West | Harvard Business School | London School of Economics | Harvard Medical School | West End theatre | district | secondary school | Harvard Law School | Eichsfeld (district) | The West Wing | Eastman School of Music | West | Darjeeling district | West Midlands | West Bank | West Point | West Side Story | Hartberg (district) | Bad Kreuznach (district) | West Java | West Africa | Juilliard School |