Stop 21399
Opp River Valley High Sch
Boon Lay Ave
Next buses
Arrival estimates from LTA. Times are shown in Singapore time.
Checking arrival estimates…
Services at this stop
174SBS TransitBoon Lay Int → Kampong Bahru Ter · Kampong Bahru Ter → Boon Lay Int174eSBS TransitBoon Lay Int → Kampong Bahru Ter · Kampong Bahru Ter → Boon Lay Int198SBS TransitBoon Lay Int → Bt Merah Int · Bt Merah Int → Boon Lay Int198ASBS TransitBoon Lay Int → Opp Parc Oasis99SBS TransitClementi Int → Joo Koon Int · Joo Koon Int → Clementi Int502SMRTCentral Blvd502ASMRTSoon Lee Bus Pk → Downtown Stn Exit E
About these arrival times
Location-based estimates use the operator’s reported bus location. Timetable estimates are marked separately. Both can change; neither confirms that a bus has reached or passed this stop. The update time tells you when we received the response.
Contains information from LTA DataMall accessed on 17 October 2026, made available under the Singapore Open Data Licence.