SBS Transit Bus Service 20

SBS Transit Bus Service 20 is a loop trunk route connecting Tampines and Changi Business Park, passing through Tampines East, Simei and Expo, while incorporating an express sector between Simei Road and Changi South Avenue 1 in both directions. It is the 10th bus service to be rolled out under the Bus Service Enhancement Programme.

Bus Service 20 was amended to ply via Somapah Rd in tandem with the opening of Downtown Line Stage 3 on 21 Oct 2017


Route Details (Click to expand)

Bus Service 20: Tampines ↺ Changi Business Park Central 2 (Loop)
From Tampines
Looping at Changi Business Pk Ctrl 2
  • Tampines Ctrl 1
    – Tampines Int EW2DT32
  • Tampines Ctrl 2 (Express)
  • Tampines Ave 5
    – Opp Our Tampines Hub
    – Blk 147
  • Tampines Ave 2
    – Blk 141
    – Opp The Holy Trinity Ch
    – Blk 206
  • Tampines St 31 (Express)
  • Simei Rd
    – Melville Pk
  • Simei St 1
    – Blk 148
    – Simei Stn EW3
    – Blk 254
  • Simei St 3
    – Simei Stn EW3
  • Simei St 4
    – Bet Blks 227/228
    – Blk 223
  • Simei Rd
    – Opp Simei Green Condo
  • Somapah Rd
    – SUTD
  • Changi Sth Ave 1
    – Expo Stn Exit E CG1DT35
  • Changi Sth Ave 2
    – Changi City Pt
    – DBS Asia Hub
    – Premier
    – Aft Sunny Metal & Engrg
  • Changi Sth Ave 4
    – Bef Changi Sth St 1
  • Changi Business Pk Vista (Express)
  • Changi Business Pk Ctrl 2
    – Aft Akzonobel
    – Standard Chartered Bank
  • Changi Sth Ave 2
    – DHL
    – Opp Changi City Pt
  • Changi Sth Ave 1
    – Expo Stn Exit B CG1DT35
  • Somapah Rd
    – Opp SUTD
  • Simei Rd
    – Simei Green Condo
  • Simei St 4
    – Simei Green Condo
    – Modena Condo/Opp Blk 228
  • Simei St 3
    – Opp Simei Stn EW3
  • Simei St 1
    – Blk 106
    – Blk 120
    – Blk 130
  • Simei Rd
    – Metta Welfare Assn
  • Tampines St 31 (Express)
  • Tampines Ave 2
    – Blk 285
    – The Holy Trinity Ch
    – Blk 101
  • Tampines Ave 5
    – Blk 938
    – Our Tampines Hub
  • Tampines Ctrl 2 (Express)
  • Tampines Ctrl 1
    – Tampines Int EW2DT32


Technical Information
Route  Tampines Bus Interchange ↺ Changi Business Park Central 2 (Loop)
Passes Through Tampines Ave 2, Simei St 1/3/4, Changi South Ave 2
Route Length 18.0 km
Travelling Time 85 mins
Operator Information
BCM Route Package Tampines Bus Package
Current Operator SBS Transit Ltd
Current Depot Bedok North Bus Depot (BNDEP)
Current Fleet 12-metre Double Deck Bus:
Volvo B9TL
12-metre Single Deck Bus:
– Mercedes-Benz Citaro
Departure Times from Tampines 0600hrs  2330hrs (Daily)
Frequency Loop Service
0630hrs – 0830hrs: 09 – 11 mins
0831hrs – 1659hrs: 10 – 13 mins
1700hrs – 1900hrs: 10 – 12 mins
After 1900hrs: 11 – 15 mins

Route History

LTA/SBST Release Poster
LTA/SBST Release Poster

Introduced in 2013, Service 20 is the tenth bus route to be to be rolled out under the Bus Service Enhancement Programme (BSEP), which aims to increase capacity and service levels of the islandwide bus network. The route plies between Tampines and Changi Business Park.

Service 20 connects residents in Tampines & Simei to key transport nodes at Tampines, Simei and Expo MRT stations, and also enhances inter-town connectivity, giving residents greater access to to the Changi Business Park area and Changi City Point. Its sectors within Simei estate duplicate Service 38, enhancing bus connectivity within the Simei estate.

The route runs at moderate demand throughout the day owing to residential connections and workers from Changi Business Park.

Route Amendment to Somapah Road

Service 18 Amendment Poster (DTL3)
Service 20 Amendment Poster (DTL3)

As part of Downtown Line Stage 3 Bus Service Enhancements, Service 20 was amended to better serve Singapore University of Technology and Design (SUTD) and Changi South with the new Downtown Line Expo station from 21 Oct 2017. The express sector along Xilin Ave and Upp Changi Rd East was skipped as a result. A pair of bus stops along Changi South Ave 1 (at Eightrium) will be served by Service 20 in the near future.

MRT Stations Served:

Special Departures:

  • Simei Road (Simei Green Condo)  Tampines Int
    Weekdays: 0600hrs, 0608hrs, 0616hrs, 0624hrs, 0632hrs, 0640hrs
    Saturdays: 0600hrs, 0611hrs, 0621hrs, 0632hrs, 0642hrs
    Sundays/PHs: 0600hrs, 0616hrs, 0632hrs

Fare: Charges basic fares. See Bus Fares. Calculate your bus fare using LTA’s fare calculator on here.


Operator History:

  • 2013 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2024 under the Tampines Bus Package.


  • 2013 (09 Jun): Introduced between Tampines and Changi Business Park under the Bus Service Enhancement Programme (BSEP)
  • 2013 (30 Sep): Designated wheelchair-accessible bus route (WAB)
  • 2014: Double-deck buses deployed
  • 2015 (20 Dec): Calls at a new pair of bus stops along Changi South Avenue 2: 96381 Changi City Point and 96389 Opposite Changi City Point
  • 2017 (21 Oct): Amended to Somapah Road as part of Downtown Line Stage 3 Bus Service Enhancements.

Past Routings:

External Links:


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