Scheme B buses were introduced in 1974 to supplement SBS bus routes, especially on high demand routes, starting off with an initial of 50 routes. Currently, Scheme B operates 7 bus routes.

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


Service Route
625 Boon Lay Place - Dhoby Ghaut Stn (Morning Peak)
Robinson Rd (opp Ogilvy Ctr) - Boon Lay Place (Evening Peak)
628 MacPherson Estate - Shenton Way
640 Admiralty Road West - Shenton Way

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