SMRT Bus Service 857A

SMRT Bus Service 857A is a Short-Trip Service variant of Bus Service 857.

The route operates from Yishun Bus Interchange and ends at Yio Chu Kang Road (Opp Sunrise Gdns), operating only during the weekday morning peak hours.

Bus Service 857A is affected by the removal of bus stop (55279 – Lentor Flyover) along Lentor Ave from 12 Jan 2020.

Yishun Int → Opp Sunrise Gdns
Yishun Int
Yishun Avenue 2
Opp Blk 757
Yishun Avenue 2
Blk 608
Yishun Avenue 2
Opp Khatib Stn
Yishun Avenue 2
Yishun Sports Hall
Yishun Avenue 2
Aft Yishun Ave 1
Lentor Avenue
Aft Sg Seletar Bridge
Lentor Avenue
Opp Bullion Pk Condo
Lentor Avenue
Opp Countryside Est
Lentor Avenue
Bef Yio Chu Kang Rd
Lentor Avenue
Opp NCS Hub
Yio Chu Kang Road
Opp UE Bizhub Ctrl
Yio Chu Kang Road
Opp ST Electronics
Yio Chu Kang Road
Bef KLC Intl Inst
Yio Chu Kang Road
Opp Sunrise Gdns
Yio Chu Kang Road


Technical Information
Route WAB_logo_20px Yishun Bus InterchangeYio Chu Kang Road (Opp Sunrise Gdns)
Passes Through Yishun Ave 2, Lentor Ave
Route Length 7.6 km
Journey Time ~ 24 mins
Operator Information
BCM Route Package Sembawang–Yishun Bus Package
Current Operator SMRT Buses Ltd
Current Depot Ang Mo Kio Bus Depot
Current Fleet 12-metre Double Deck Bus:
– Alexander Dennis Enviro500
– MAN A95
Departure Times
Weekdays, except Public Holidays
From Yishun Interchange: 0708hrs & 0721hrs

Short Trip Service 857A is a trunk service operating from Yishun Bus Interchange and ends at Yio Chu Kang Road (Opp Sunrise Gdns).

As a Short-Trip Service, the route operates during Weekday AM Peak hours and supplements the high demand for Bus Service 857 from Yishun and Khatib to industrial buildings along Yio Chu Kang Road.

Departure Timings
  • From Yishun Interchange:
    Weekdays: 0708hrs & 0721hrs

Fare: Charges regular distance fares for trunk services. See Bus Fares.

MRT Stations Served

Operator History:

  • 12 Aug 2013  Present: SMRT Buses Ltd

Route History:

  • 2013 (12 Aug): Introduced from Yishun Int to Yio Chu Kang Road (Opp Sunrise Gdns)
  • 2015 (14 Mar): Amended to Yishun Temp Int
  • 2019 (08 Sep): Amended to Yishun Integrated Transport Hub
  • 2020 (12 Jan): Skips removed bus stop 55279 – Lentor Flyover along Lentor Ave

Back to Bus Service 857
Back to Bus Services
Back to Bus Articles

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