SMRT Bus Service 857B

SMRT Bus Service 857B is a Short-Trip Service of Bus Service 857.

The route operates from Yishun Bus Interchange and ends at Temasek Ave (Promenade Stn), operating daily, after the last full loop trip of Service 857 has departed. In addition, it also operates during weekday peak hours.

Yishun Int
→ Promenade Stn
59009 Yishun Int B5 NS13 Yishun Ave 2
59069 Opp Blk 757 Yishun Ave 2
59059 Blk 608 Yishun Ave 2
59049 Opp Khatib Stn NS14 Yishun Ave 2
59039 Yishun Sports Hall Yishun Ave 2
59029 Aft Yishun Ave 1 Lentor Ave
59019 Aft Sg Seletar Bridge Lentor Ave
55269 Opp Bullion Pk Condo Lentor Ave
55259 Opp Countryside Est Lentor Ave
55249 Bef Yio Chu Kang Rd Lentor Ave
55031 Opp NCS Hub Yio Chu Kang Rd
55041 Opp Ue Bizhub Ctrl Yio Chu Kang Rd
55051 Opp ST Electronics Yio Chu Kang Rd
55071 Bef ECON Medicare Ctr Yio Chu Kang Rd
55081 Opp Sunrise Gdns Yio Chu Kang Rd
60081 St. Andrew's Village Jln Toa Payoh
60179 MOM Svcs Ctr Bendemeer Rd
60159 Blk 54 Bendemeer Rd
60139 Blk 44 Bendemeer Rd
60119 Opp Boon Keng Stn NE9 Bendemeer Rd
60099 Bef Lavender St Bendemeer Rd
07329 Hoa Nam Bldg Jln Besar
07319 Aft Allenby Rd Jln Besar
07419 Opp Veerasamy Rd Jln Besar
07529 Jln Besar Stn Exit A DT22 Jln Besar
07518 Opp NAFA Campus 3 Bencoolen St
04019 Opp Bencoolen Stn Exit B DT21 Bencoolen St
04179 Aft Bras Basah Stn Exit A CC2 Bras Basah Rd
02049 Raffles Hotel Bras Basah Rd
02151 Suntec Convention Ctr CC3 Temasek Blvd
02161 Promenade Stn CC4DT15 Temasek Ave
Route Overview
Route WAB_logo_20px Yishun Bus Interchange → Temasek Ave (Promenade Stn)
Passes Through Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Bendeemer Rd, Jln Besar
Route Length 21.1 km
Travelling Time 50 mins
Operator Information
BCM Route Package Sembawang–Yishun Bus Package
Current Operator SMRT Buses Ltd
Current Depot Ang Mo Kio Bus Depot (AMDEP)
Majority of buses park at: Yishun Temporary Bus Interchange
Current Fleet 12-metre Single Deck Bus:
– MAN A22
12-metre Double Deck Bus:
– Alexander Dennis Enviro500
– MAN A95
Operating Hours
Departure Times from Yishun
Weekdays Saturdays Sundays / Public Holidays
07:01 – 08:38 &
22:50 – 23:30
22:47 – 23:30 22:48 – 23:30
Fare Information
Fare Charges regular distance fares

Short Trip Service 857B is a trunk service operating from Yishun Bus Interchange and ends at Temasek Ave (Promenade Stn). The Short-Trip Service offers trips terminating at Temasek Ave during the late night hours (after the last full loop bus of Service 857 has departed) as well as during weekday peak hours, without having to operate full-distance trips of Service 857.

The service was renumbered from existing trips of Service 857 terminating at Temasek Ave (Promenade Stn) on 11 April 2021, as part of Standardisation of Terminating Trips (Apr 2021).

MRT Stations Served
Departure Timings
  • From Yishun Int:
    Weekdays: 07:01, 07:33, 08:00, 08:38, 22:50, 23:00, 23:10, 23:21 & 23:30
    Saturdays: 22:47, 23:01, 23:15 & 23:30
    Sundays / Public Holidays: 22:48, 23:02, 23:16 & 23:30


Operator History:
  • 2021 – Present: SMRT Buses Ltd
  • (~September 2021) onwards: Tower Transit Singapore Pte Ltd

Operations for this route would be transferred to Tower Transit in 2021 as part of the Sembawang–Yishun Bus Package.

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

  • 2021 (11 Apr): Re-numbered from trips of Service 857 that terminate at Temasek Ave (Promenade Stn), operating during weekday morning peak hours and after the last bus of Service 857 daily

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