SBL Service 850
Jurong East - Yishun
Direction 1: Jurong East Central, Toh Guan Road, Boon Lay Way, Commonwealth Avenue West, Clementi Avenue 6, AYE, Clementi Road, West Coast Highway, Pasir Panjang Road, Telok Blangah Road, Keppel Road, Tanjong Pagar Road, Kreta Ayer Road, Eu Tong Sen Street, Hill Street, Stamford Road, Prinsep Street, Serangoon Road, Balestier Road, Moulmein Road, Thomson Road, Upper Thomson Road, Ang Mo Kio Avenues 1, 3, 4, 9 and 6, Lentor Avenue, Yishun Avenue 2.
Direction 2: Yishun Avenue 2, Lentor Avenue, Ang Mo Kio Avenues 6, 9, 4, 3 and 1, Upper Thomson Road, Thomson Road, Moulmein Road, Balestier Road, Lavender Street, Jalan Besar, Bencoolen Street, Bras Basah Road, North Bridge Road, South Bridge Road, Tanjong Pagar Road, Keppel Road, Telok Blangah Road, Pasir Panjang Road, West Coast Highway, Clementi Toad, AYE, Clementi Avenue 6, Commonwealth Avenue West, Boon Lay Way, Toh Guan Road, Jurong East Central.
Ave. frequency: 4-10 minutes
Operating hours: 0515-2330, all days.
Buses used: Hispano Habit and Carocera, Volvo Olympian (only "85X" service to use DDs)