Airport bus service


 * A1: Changi Airport - Tampines West via Tampines Ave 5, Tampines Ave 8 and Tampines Ave 3 (Loop)
 * A2: Changi Airport - Tampines East via Tampines Ave 7, Tampines Ave 9 (Loop)
 * A3: Changi Airport - Marine Parade via Marine Parade Rd, Amber Rd, Tanjong Katong Rd and Old Airport Rd
 * A5: Changi Airport - Pasir Ris via Pasir Ris Dr 1
 * A6: Changi Airport - Punggol via Punggol Central
 * A7: Changi Airport - Sengkang via Sengkang West
 * A8: Changi Airport - Sengkang/Hougang via Punggol Rd, Sengkang East Way, Buangkok
 * A9: Changi Airport - Serangoon via TPE, Tampines Road, Hougang Avenue 1 and Lorong Ah Soo
 * A10: Changi Airport - Bedok North/Ubi via Bedok North Ave 3, Bedok Reservoir Road
 * A11: Changi Airport - Bedok Central via Bedok North Ave 3, Bedok North Rd and Chai Chee
 * A20: Changi Airport - Ang Mo Kio via TPE, CTE, AMK Ave 5, AMK Ave 10, AMK Ave 3, AMK Ave 4 and Yio Chu Kang Bus Interchange
 * A21: Changi Airport - Bishan via TPE, CTE, AMK Ave 1, Bishan St 22, Marymount Rd and Bishan St 21
 * A22: Changi Airport - Toa Payoh via PIE
 * A23: Changi Airport - Yishun via TPE, SLE, Yishun Ring Road, Yishun Avenue 5
 * A25: Changi Airport - Sembawang via TPE, Canberra Way, Wellington Circle, Admiralty Drive
 * A26: Changi Airport - Woodlands via TPE, SLE, Woodlands Ave 12, Woodlands Ave 6, Woodlands Ave 7
 * A27: Changi Airport - Seletar Airport
 * A28: Changi Airport - Woodlands West via TPE, SLE, Woodlands Ave 2, Woodlands Ave 1, Marsiling Estate
 * A29: Changi Airport - Bukit Panjang via PIE, BKE
 * A30: Changi Airport - Choa Chu Kang via PIE, BKE, KJE
 * A40 (former A1): Changi Airport - Orchard Road via ECP, Suntec City, Stamford Road
 * A41: Changi Airport - Chinatown via ECP, MBS, Cross St, New Bridge Road
 * A42: Changi Airport - HarbourFront via ECP, Keppel Road
 * A45: Changi Airport - Bukit Merah via ECP, MCE, AYE, Lower Delta Rd, Telok Blangah Way
 * A50: Changi Airport - Clementi via ECP, MCE, AYE, Clementi Rd, West Coast Rd, Clementi Ave 2, Clementi Ave 5
 * A51: Changi Airport - Jurong East via PIE, Toh Guan Rd, Jurong East
 * A52: Changi Airport - Jurong West via PIE, Jurong Town Hall Rd, Jurong East/ West Ave 1, Boon Lay Ave
 * A53: Changi Airport - Bukit Batok via via PIE, Bt Batok East Ave 3, Bt Batok East Ave 2, Bt Batok West Ave 5, Bt Batok West Ave 8, Bt Batok West Ave 3