Scheme B Bus Routes

Scheme B bus services (or known as Supplementary Public Transport Services) was introduced in 1974 to supplement existing SBS bus routes, starting off with an initial of 50 routes. Currently, Scheme B services operate 8 routes.

Operational hours are during the morning peak hours for its forward trips and evening peak hours for its return trips.

Route list

Service	Route
621	Bedok Reservoir Rd - Shenton Way
623	Boon Lay Gdns - Jln Samulun
625	Boon Lay Gdns - Shenton Way
640	Canberra Rd - Shenton Way
641	Serangoon Ctrl - Shenton Way
642	Dover Rd - Beach Rd
648	Lor 6 Toa Payoh - Tg Pagar Rd

Route information

Service	Fare	Route details
621	$2.30	AM Peak: Bedok Reservoir Rd (start at Damai Sec Sch), Bedok North Ave 3, New Upper Changi Rd, Bedok South Ave 1, (ECP), (MCE), Anson Rd, Maxwell Rd. PM Peak: Return trip is vice-versa.
623	$1.00	AM Peak: Boon Lay Place, Boon Lay Dr, Corporation Rd, Boon Lay Way (Lakeside MRT), Yuan Ching Rd, Tah Ching Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jln Ahmad Ibrahim, Jurong Pier Rd, Jln Buroh, Tg Kling Rd (loop at Natsteel and U-turn back), Shipyard Rd, Jln Samulun. PM Peak: Jln Samulun, Shipyard Rd, Tg Kling Rd (loop at Natsteel and U-turn back), Jln Buroh, Jurong Pier Rd, Jln Ahmad Ibrahim, Corporation Rd, Yung Ho Rd, Corporation Dr, Tah Ching Rd, Yuan Ching Rd, Boon Lay Way (Lakeside MRT), Corporation Rd, Boon Lay Dr, Boon Lay Place.
625	$2.00	AM Peak: Boon Lay Place, Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Boon Lay Way, C'wealth Ave West, Clementi Ave 2, Ulu Pandan Rd, Holland Rd, Napier Rd, Tanglin Rd, Orchard Rd, Bras Basah Rd, Raffles Blvd, Bayfront Ave, Marina Stn Rd. PM Peak: Marina Stn Rd, Bayfront Ave, Raffles Blvd, (Esplanade Dr), Fullerton Rd, (St Andrew's Rd), Coleman St, Armenian St, Stamford Rd, Penang Rd, Somerset Rd, Orchard Turn, Orchard Blvd, Napier Rd, Holland Rd, Ulu Pandan Rd, Clementi Ave 2, C'wealth Ave West, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Place.
640	$1.10	AM Peak: Canberra Rd, Sembawang Rd, Upp Thomson Rd, Thomson Rd, Kampong Java Rd, Bt Timah Rd, Selegie Rd, Middle Rd, Victoria St, Coleman St, Fullerton Rd, (St Andrew Road), Cecil St, Anson Rd, (Keppel Rd), Shenton Way. PM Peak: Return trip is vice-versa.
641		AM Peak: Serangoon Ctrl, Boundary Rd, Serangoon Ave 2, Upp Serangoon Rd, Upp Paya Lebar Rd, Paya Lebar Rd, Gullimard Rd, Nicoll Highway, Connaught Dr, Collyer Quay, Shenton Way. PM Peak: Return trip is vice-versa.
642		AM Peak: Dover Rd, North Bouna Vista Rd, C'wealth Ave, Queensway, Jln Bt Merah, Cantonment Rd, Shenton Way, Nicoll Highway, Middle Rd, Beach Rd. PM Peak: Return trip is vice-versa.
644		AM Peak: Marine Parade Rd, Amber Rd, Mountbatten Rd, Nicoll Highway, Esplanade Dr, Shenton Way. PM Peak: Return trip is vice-versa.
648		AM Peak: Lor 6 Toa Payoh (Toa Payoh Swimming Complex), Jln Toa Payoh, Balestier Rd, Lavender St, North Bridge Rd, South Bridge Rd, Tg Pagar Rd. PM Peak: Return trip is vice-versa.