Route:
421 Watergardens Station - St Albans Station
- Choose your direction:
 - to St Albans Station
 - to Watergardens Station
 
421 to St Albans Station
No scheduled service for the 421 to St Albans Station at this time.
- Watergardens Station/Watergardens Circuit Rd (Taylors Lakes) 
 - Watergardens SC/Watergardens Circuit Rd (Taylors Lakes) 
 - Drysdale Ave/McCubbin Dr (Taylors Lakes) 
 - Overnewton College/Robertsons Rd (Taylors Lakes) 
 - Sydenham Reserve/Robertsons Rd (Taylors Lakes) 
 - 65 Robertsons Rd (Taylors Lakes) 
 - Carnarvon Cl/Palmerston Cres (Taylors Lakes) 
 - Warrego Pl/Palmerston Cres (Taylors Lakes) 
 - MacKenzie Cl/Wellesley Dr (Taylors Lakes) 
 - Newell Cl/Wellesley Dr (Taylors Lakes) 
 - Nordic Ave/Wellesley Dr (Taylors Lakes) 
 - Penrhyn Ct/Verona Dr (Keilor Lodge) 
 - Messina Cres/Verona Dr (Keilor Lodge) 
 - Verona Dr/Melton Hwy (Taylors Lakes) 
 - Taylors Lakes SC/Melton Hwy (Taylors Lakes) 
 - Rutherglen Way/Sunshine Ave (Taylors Lakes) 
 - Sunshine Ave/Apollo Rd (Taylors Lakes) 
 - Cocoparra Cres/Apollo Rd (Taylors Lakes) 
 - Pindari Ave/Apollo Rd (Taylors Lakes) 
 - Chichester Dr/Apollo Rd (Taylors Lakes) 
 - Mallacoota Ct/Chichester Dr (Taylors Lakes) 
 - Stockwell Cres/Lady Nelson Way (Keilor Downs) 
 - Lady Nelson Way/Copernicus Way (Keilor Downs) 
 - Darebin Ave/Copernicus Way (Keilor Downs) 
 - Roseberry Ave/Copernicus Way (Keilor Downs) 
 - Goodwood Dr/Copernicus Way (Keilor Downs) 
 - Hotchkiss Way/Copernicus Way (Keilor Downs) 
 - Belmont Ave/Copernicus Way (Keilor Downs) 
 - Thornhill Dr/Belmont Ave (Keilor Downs) 
 - Goodwood Dr/Belmont Ave (Keilor Downs) 
 - Rodney Dr/Carbine Way (Keilor Downs) 
 - Carbine Way/Taylors Rd (St Albans) 
 - Keilor Plains Station/East Esplanade (St Albans) 
 - Carbine Way/Taylors Rd (Keilor Downs) 
 - Theodore St/Taylors Rd (Keilor Downs) 
 - Keilor Shopping Centre/Taylors Rd (Keilor Downs) 
 - Oslo Way/Taylors Rd (Keilor Downs) 
 - Opp 17 Taylors Rd (Keilor Downs) 
 - Homestead Dr/Green Gully Rd (Keilor Downs) 
 - Green Gully Rd/Driscolls Rd (Kealba) 
 - Valewood Dr/Driscolls Rd (Kealba) 
 - Leavesdon Ave/Driscolls Rd (Kealba) 
 - Dowling St/Driscolls Rd (Kealba) 
 - Driscolls Rd/Stenson Rd (Kealba) 
 - Sunshine Ave/Stenson Rd (Kealba) 
 - Burns Ave/Biggs St (St Albans) 
 - Avondale Ave/Biggs St (St Albans) 
 - McArthur Ave/Biggs St (St Albans) 
 - Oberon Ave/Biggs St (St Albans) 
 - Walter St/Biggs St (St Albans) 
 - Alfrieda St/Biggs St (St Albans) 
 - Craigielea Ave/Alfrieda St (St Albans) 
 - Main Road East/Alfrieda St (St Albans) 
 - St Albans Station/St Albans Rd (St Albans) 
 
421 to Watergardens Station
No scheduled service for the 421 to Watergardens Station at this time.
- St Albans Station/St Albans Rd (St Albans) 
 - Main Road West/Alfrieda St (St Albans) 
 - Alexina St/Alfrieda St (St Albans) 
 - Westvale Church/Alfrieda St (St Albans) 
 - Collins St/Biggs St (St Albans) 
 - Walmer Ave/Biggs St (St Albans) 
 - Leslie St/Biggs St (St Albans) 
 - McArthur Ave/Biggs St (St Albans) 
 - Biggs Street Reserve/Biggs St (St Albans) 
 - Blendon Ave/Biggs St (St Albans) 
 - Sunshine Ave/Stenson Rd (Kealba) 
 - Driscolls Rd/Stenson Rd (Kealba) 
 - Harefield Cres/Driscolls Rd (Kealba) 
 - Leavesdon Ave/Driscolls Rd (Kealba) 
 - Valewood Dr/Driscolls Rd (Kealba) 
 - Green Gully Rd/Driscolls Rd (Kealba) 
 - 170 Green Gully Rd (Kealba) 
 - 17 Taylors Rd (St Albans) 
 - Oslo Way/Taylors Rd (Keilor Downs) 
 - Keilor Shopping Centre/Taylors Rd (Keilor Downs) 
 - Theodore St/Taylors Rd (St Albans) 
 - Carbine Way/Taylors Rd (St Albans) 
 - Keilor Plains Station/East Esplanade (St Albans) 
 - Rodney Dr/Carbine Way (Keilor Downs) 
 - Carbine Way/Goodwood Dr (Keilor Downs) 
 - Goodwood Dr/Belmont Ave (Keilor Downs) 
 - Thornhill Dr/Belmont Ave (Keilor Downs) 
 - Belmont Ave/Copernicus Way (Keilor Downs) 
 - Lancia Dr/Copernicus Way (Keilor Downs) 
 - Goodwood Dr/Copernicus Way (Keilor Downs) 
 - Roseberry Ave/Copernicus Way (Keilor Downs) 
 - Darebin Ave/Copernicus Way (Keilor Downs) 
 - Lady Nelson Way/Copernicus Way (Keilor Downs) 
 - Lady Nelson Way/Chichester Dr (Taylors Lakes) 
 - Cocoparra Cres/Chichester Dr (Taylors Lakes) 
 - Chichester Dr/Apollo Rd (Taylors Lakes) 
 - Pindari Ave/Apollo Rd (Taylors Lakes) 
 - Koroit Pl/Apollo Rd (Taylors Lakes) 
 - Apollo Rd/Sunshine Ave (Taylors Lakes) 
 - Rutherglen Way/Sunshine Ave (Taylors Lakes) 
 - Taylors Lakes SC/Melton Hwy (Taylors Lakes) 
 - Truro Cres/Verona Dr (Taylors Lakes) 
 - 43 Verona Dr (Taylors Lakes) 
 - Nordic Ave/Wellesley Dr (Taylors Lakes) 
 - Lawson Ct/Wellesley Dr (Taylors Lakes) 
 - MacKenzie Cl/Wellesley Dr (Taylors Lakes) 
 - Salamander Dr/Wellesley Dr (Taylors Lakes) 
 - Warrego Pl/Palmerston Cres (Taylors Lakes) 
 - Carnarvon Cl/Palmerston Cres (Taylors Lakes) 
 - 64 Robertsons Rd (Taylors Lakes) 
 - Sydenham Reserve/Robertsons Rd (Taylors Lakes) 
 - Overnewton College/Robertsons Rd (Taylors Lakes) 
 - 28 McCubbin Dr (Taylors Lakes) 
 - Watergardens SC/Watergardens Circuit Rd (Taylors Lakes) 
 - Watergardens Station/Watergardens Circuit Rd (Taylors Lakes)