SBS Transit Bus Service 21

Gallery:

 


Operator History:

  • 29 Nov 1992 – 31 Oct 2001: Singapore Bus Services Ltd
  • 01 Nov 2001 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Bishan – Toa Payoh Bus Package.

History:

  • 1992 (29 Nov): Introduced between Pasir Ris Int and Geylang Lor 1 Ter under Transitlink Integration Exercise Phase 10.
  • 1993 (23 May): Merged with Service 4 and extended to St Michael’s Terminal under Transitlink Integration Exercise Phase 13.
  • 1994: Skips bus stop outside Kallang Stn along Sims Ave
  • 1999: Serves new pair of bus stops (75349/75341) along Bedok Reservoir Rd
  • 2001 (18 Feb): Serves new staggered bus stop (50038) along Thomson Rd
  • 2002: Serves new pair of bus stops (84639/84631) along Bedok Reservoir Rd
  • 2003 (21 Jun): Amended to ply Jln Besar, Kitchener Rd and Serangoon Rd as part of NEL rationalisation (Phase 1)
  • 2004 (27 Apr): Amended to u-turn near Geylang Rd/Kallang Rd with the conversion of Lor 1 Geylang to one-way traffic
  • 2004 (06 Dec): Amended to reinstated Lor 1 Geylang
  • 2006 (26 Jun): Designated wheelchair-accessible bus route (WAB), the first WAB route in Singapore
  • 2013: Service improvement under the Bus Service Enhancement Programme (BSEP)
  • 2016 (24 Apr): Amended to ply Jalan Tenteram for both directions of the route.

Past Routings:

 



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