Sydney Trains operates eight suburban lines and a late night bus service across metropolitan Sydney (known as NightRide).
| Line colour and name | Between | Code | |
|---|---|---|---|
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T1 North Shore and Western Line | Hornsby or Berowra to Emu Plains or Richmond. | 
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T2 Inner West and Leppington Line | City Circle and Macarthur or Leppington via Sydenham (peak only), Strathfield & Granville or Wolli Creek. | 
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T3 Bankstown line | City Circle and Liverpool | T3 Liverpool and Inner West Line |
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T4 Eastern Suburbs & Illawarra line | Bondi Junction and Waterfall or Cronulla. | 
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T5 Cumberland line | Schofields and Campbelltown. | 
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| T6 Lidcombe and Bankstown Line | Lidcombe and Bankstown | T6 Lidcombe & Bankstown Line | |
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T7 Olympic Park line | Lidcombe and Olympic Park. Some services operate between Central and Olympic Park, particularly during special events. |  |
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T8 Airport & South Line | City Circle and Macathur via Airport or Sydenham (peak only) | 
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T9 Northern Line | Honsby To Gordon Via Strathfield and City | 
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