Shuttle 21: Serangoon—Punggol Shuttle Bus Service

Refer to Page 1 of this article for the April 2021 version of Shuttle 21.
This page refers to the Jan – Mar 2019 & July 2019 version of Shuttle 21.

Shuttle 21, or the Serangoon—Punggol Shuttle Bus Service, is a Rail Replacement Service plying between Serangoon and Punggol, serving en-route North East Line (NEL) stations.

The route was activated to operate during the following periods, when shortened operating hours are implemented on the North East Line, to facilitate additional engineering hours for rail renewal work.

• Selected Fridays and Saturdays in January, February and March 2019
• On Fridays and Saturdays in July 2019

This service is reflected as Bus Service 602 on the Bus Ticketing System.

Note: Refer to Shuttle 22 for the HarbourFront – Dhoby Ghaut shuttle operating from 8 March 2019 till 30 March 2019.

The Shuttle Bus Service serves the following MRT Stations:

• NE12CC13 Serangoon
• NE13 Kovan
• NE14 Hougang
• NE15 Buangkok
• NE16STC Sengkang
• NE17PTC Punggol

Route:

Technical Information
Route	Serangoon MRT ↔ Punggol MRT
Passes Through	Kovan, Hougang, Buangkok & Sengkang MRT Stations
Travelling Time	30 – 42 mins
Operator Information
Current Operators	SBS Transit Ltd SMRT Buses Ltd (TaskForce 50 Bus Captains)
Current Fleet	12-Metre Double Decker Buses – Volvo B9TL – MAN A95
Departure Times from Serangoon	11.05pm – 12.25am (Early Closure on Affected Fridays & Saturdays)
Departure Times from Punggol	11.05pm – 11.30pm (Early Closure on Affected Fridays & Saturdays)
Frequency	Direction 1	Direction 2
	Jan – Mar 2019: 2 – 5 minutes Jul 2019: 1 – 5 minutes	Jan – Mar 2019: 2 – 5 minutes Jul 2019: 1 – 5 minutes

Shuttle 21 operates during periods of planned closure on the NEL. These additional engineering hours are used to accelerate the pace of rail renewal work, including the replacement of rail crossings and track, and renewing parts of the power and signalling systems.

The Shuttle Bus Service operated on days of Early Closure of the NEL as follows:

In January, February and March 2019:

• 4, 5, 11 & 12 January 2019
• 22 & 23 February 2019
• 1 & 2 March 2019

In July 2019:

• 5 & 6 July 2019
• 12 & 13 July 2019
• 19 & 20 July 2019
• 26 & 27 July 2019

Shuttle Bus Departure Timings from Stations

The following Shuttle Bus Service also operates during periods of planned Early Closure in January 2019 on the East West Line:

• Shuttle 6: Raffles Place—Bugis

Also check out:

• Early Closure of East West Line (January 2019)
• Early Closure of North East Line (January – March 2019)
• Early Closure of North East Line (March 2019)

External Links & References:

• Joint News Release by the Land Transport Authority (LTA) & SBS Transit – Enhancement Works for the North East Line to Commence in 2019 – LTA
• North East Line Early Closure (July 2019) – SBS Transit Facebook

Page 1: Shuttle 21 (Apr 2021) Route Information
Page 2: Photo Gallery
Page 3: Shuttle 21 (Nov 2019) Route Information