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21391Boon Lay Ave

River Valley High Sch

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Next buses

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  1. 99To Joo Koon Int·SBS Transit
  2. 174To Boon Lay Int·SBS Transit
  3. 174eTo Boon Lay Int·SBS Transit
  4. 198To Boon Lay Int·SBS Transit
  5. 502Loop via Soon Lee Bus Pk·SMRT Buses

About bus stop 21391

River Valley High Sch (bus stop 21391) is on Boon Lay Ave. Buses 99, 174, 174e, 198 and 502 stop here, run by SBS Transit and SMRT Buses. From here you can ride to Joo Koon Int, Boon Lay Int, Soon Lee Bus Pk. The nearest other stop is Opp River Valley High Sch (21399), 47 m away.

On weekdays the first bus here is the 99 at 5:24 am and the last is the 502 at 1:21 am. On Sundays and public holidays service runs from 5:27 am to 1:19 am.

First and last bus at River Valley High Sch

BusNext stopWeekdaysSaturdaySunday
99SBS Transit5:24 am – 12:30 am5:14 am – 12:31 am5:27 am – 12:33 am
174SBS Transit6:33 am – 12:59 am6:38 am – 1:11 am6:54 am – 12:58 am
174eSBS Transit7:37 pm – 8:33 pm––
198SBS Transit6:18 am – 12:36 am6:29 am – 12:37 am6:26 am – 12:36 am
502SMRT Buses7:56 am – 1:21 am7:48 am – 1:21 am8:40 am – 1:19 am

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