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21399Boon Lay Ave

Opp River Valley High Sch

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Next buses

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  1. 99To Clementi Int·SBS Transit
  2. 174To Kampong Bahru Ter·SBS Transit
  3. 174eTo Kampong Bahru Ter·SBS Transit
  4. 198To Bt Merah Int·SBS Transit
  5. 198ATo Opp Parc Oasis·SBS Transit
  6. 502Loop via Soon Lee Bus Pk·SMRT Buses
  7. 502ATo Downtown Stn Exit E·SMRT Buses

About bus stop 21399

Opp River Valley High Sch (bus stop 21399) is on Boon Lay Ave. Buses 99, 174, 174e, 198, 198A, 502 and 502A stop here, run by SBS Transit and SMRT Buses. From here you can ride to Clementi Int, Kampong Bahru Ter, Bt Merah Int, Soon Lee Bus Pk, Opp Parc Oasis, Downtown Stn Exit E. The nearest other stop is River Valley High Sch (21391), 47 m away.

On weekdays the first bus here is the 174 at 5:34 am and the last is the 99 at 12:24 am. On Sundays and public holidays service runs from 5:34 am to 12:22 am.

First and last bus at Opp River Valley High Sch

BusNext stopWeekdaysSaturdaySunday
99SBS Transit5:37 am – 12:24 am5:38 am – 12:21 am5:36 am – 12:22 am
174SBS Transit5:34 am – 11:34 pm5:34 am – 11:34 pm5:35 am – 11:34 pm
174eSBS Transit6:57 am – 7:49 am––
198SBS Transit5:34 am – 11:49 pm5:35 am – 11:49 pm5:34 am – 11:49 pm
198ASBS Transit5:23 pm – 8:23 pm4:50 pm – 7:03 pm6:42 pm – 9:03 pm
502SMRT Buses6:13 am – 10:16 pm6:12 am – 10:15 pm7:13 am – 10:16 pm
502ASMRT Buses7:39 am – 8:18 am––

LTA's scheduled first and last bus at this stop. Sunday times also apply on public holidays. Data updated 2026-09-13.