Western Sydney train commuters will be able to use the state's new electronic ticket within weeks, as the NSW government continues to roll out the system across public transport.
NSW Premier Barry O'Farrell says the Opal card will be extended to western Sydney lines by the end of February.
"It ends the Monday-morning queue to buy tickets," he told reporters in Sydney on Sunday.
"It ensures that commuters get access to the incredible discounts available on the Opal card."
When Opal is fully rolled out by the end of 2014, commuters will be able to travel on ferries, trains, buses and light rail on the one card.
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The card, which was promised by the previous Labor government, uses a pay-as-you-go system.
Fares on the Opal card have been discounted by between 13 and six per cent.
It will be available on 120 train stations by the end of February.
