Transportation options from Sydney Airport:  (Taxis & Limos are available from the sheltered ranks in front of each terminal, where supervisors can arrange for baby seats, wheelchair access, 5-seaters, station wagons or maxi taxis for groups. Limo service from Terminals 1 or 2 need to be pre-arranged; a reservation counter by Royale Limousines is in Terminal 1, arrivals. 
Private shuttle buses serve Southerland Shire, Blue Mountains & Central Coast. Shuttle buses to city & suburbs need to be prebooked; check listing in Yellow Pages under 'Airport Shuttle Services'.
The Opal Transportation Card can be ordered online at https://www. opal.com.au

By Bus:  
The Sydney Bus, Route 400 Burwood to Bondi Junction, makes stops at all terminals and connects to the eastern suburbs, Inner West and St. George. 
    The Metrobus system with 13 routes connects to a good number of greater Sydney areas via M bus routes M10, 20, 30, 40, 41, 50, 52 & M54.  (open:  sydneybuses.info/metrobus).
    Two new bus routes were recently added: one to Chatswood via Dydney CBD & Botany Road, the other to Bondi Junction & Miranda.
For more information open:  sydneybuses.info.

By Train: 
Trains run every 10 mins to City center taking about 13 mins. When traveling to the suburbs, simply change at Central Station for suburban services. The Airport has two ‘Airport Link’ train stations:
    for the the Domestic Terminal,  the station is directly between Terminals 2 & 3, accessibe from inside the arrivals level;
    for the International Teminal, the train station is at the northern end of it, accessible from the arrivals level.
For more information call +6 2 8337 8417 or visit:  airportlink.com.au

NOTE: Ongoing road construction until mid-2017:
T1 Precinct - Construction of a new free-flowing road retwork through the precinct
T2/T3 Precinct:  Construction of a new road will create a better performing one-way road network through the T2/T3 precinct, increase the capacity of major intersections, significantly improve traffic flow and reduce traffic congestion.

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