    the werribee railway line is a suburban electric railway in melbourne, australia. it has 15 stations, in metlink ticketing zones 1 and 2. the werribee line is the suburban portion of the port fairy railway used by regional services to geelong and warrnambool, apart from a deviation from the main line through altona. == description == the line traverses the flat plains of melbourne's western suburbs, and after leaving footscray has no significant earthworks. the area around the outer end of the line has seen significant residential growth in recent years. == infrastructure ==  the werribee line is made of multiple tracks (shared with other lines) from the city loop until south kensington where it reverts to double track. from shortly after newport, the two tracks are signalled for bidirectional operation, although it is rare for trains to not use left-hand running. at altona junction, just after the start of bidirectional operation, the altona line diverges. this is a single-track branch which rejoins the main line at laverton. a passing loop is provided at westona. automatic block signalling applies to newport south (beside the champion road level crossing), and from newport south through to werribee (and all the way to geelong), the line is controlled by automatic and track control safeworking via westona and the main lines. terminating facilities are provided at south kensington (never normally used), newport, and laverton. newport is also the location of the newport workshops, formerly the main workshops of the [
Railway_lines_in_Melbourne Railway_lines_opened_in_1859