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| | Route 421 - St. Albans to Watergardens Station via Keilor Downs |
 | | Albans - St. Albans Railway Station (Alfrieda Street). |
 | | Departs from the terminus at St. Albans Railway Station (Alfrieda Street) and runs via Alfrieda Street, William Street, Theodore Street, George Street, East Esplanade and Taylors Road to Keilor Downs Plaza Shopping Centre. |
 | | It then departs Keilor Downs Plaza Shopping Centre and runs via Taylors Road, Packard Street, Hispano Drive, Carbine Way, Goodwood Drive, Belmont Avenue, Copernicus Way, Lady Nelson Way, Chichester Drive, Parmelia Drive, Bond Drive, Kings Road, Melton Highway then to the terminus at Watergardens Station. |
| www.kefford.com.au /421.htm |
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