bius303303. The first stop of the 303 route is Hentian Taman Mulia Jaya (Aj76) and the last stop is BSN Lebuh Ampang (Kl117). 303 (Lebuh Ampang) is operational during everyday.Route 303 serves Rosemont, Schiller Park, Franklin Park, Melrose Park, Maywood, and River Forest including Proviso East & East Leyden Hh Schools.