Bus Service 668

!	TRAVEL ADVISORY					!
	From Sunday, 14 November 2024 to 31 October 2025, Train services on the Bukit Panjang LRT will end an hour earlier at 22:30 every Thursday to Sunday (except Public Holidays). This is to facilitate the upgrading of the BPLRT signalling system, as well as the testing of the new and retrofitted Light Rail Vehicles (LRVs) on the BPLRT network. Please refer here for more information. From Friday, 28 February 2025, 3pm, Hume station on the Downtown Line will open. Please refer here for more information.

Service 668
Route Information
Route	Yio Chu Kang/Ang Mo Kio ↔ Central Business District
Route Length	20.6 km (towards Central Business District) 20.5 km (towards Yio Chu Kang/Ang Mo Kio)
Travelling Time	64 mins (1 h 4 mins)
Operator	(Seletar Bus Package)

SBS Transit City Direct Service 668 provides residents of Yio Chu Kang, and Ang Mo Kio with greater connectivity to the Central Business District (CBD). By running parallel to existing rail lines, the service provides a travel alternative for commuters who relied on the rail network and feeder buses to and from work. The route incorporates an express sector between Ang Mo Kio and the CBD via CTE, Outram Rd and Cantonment Rd.

This service is introduced under the Land Transport Authority’s (LTA) Bus Service Enhancement Programme (BSEP). On eves of Christmas, New Year, and Chinese New Year, the PM trips will be brought forward to depart earlier in the afternoon instead.

Service Information

Bus Duty & Fleet

Service 668

Depot	Fleet Size	Fleet
Seletar Depot (SEDEP)	4	4 Single Deckers
		SMB3085X SMB3164B MAN NL323F SG1204K SG1206E Mercedes-Benz O530 Citaro

Notes
SG1204K, SG1206E, SMB3085X & SMB3164B (Service 851) will perform one (1) crossover trip on City Direct 668 towards Marina Boulevard during Weekdays AM Peak.

Route Information

Departure Timings

Period	Weekdays Peak Hours
towards Central Business District	07:30	07:36	07:43	07:50
towards Yio Chu Kang/Ang Mo Kio	18:10 (SG1204K 851)	18:25 (SG1206E 851)	N/A	N/A

Direction 1 (Ang Mo Kio Avenue 5 → Marina Boulevard)

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Bus Stops	Nearby Attraction	Weekdays
		First bus	Last bus
54469 Opp Blk 649 Ang Mo Kio Ave 5		07:30	07:50
54459 Blk 151 Ang Mo Kio Ave 5		07:32	07:52
55131 Blk 612 Ang Mo Kio Ave 4		07:34	07:54
55141 Opp Blk 622 Ang Mo Kio Ave 4		07:36	07:56
55021 Opp Seasons Pk Yio Chu Kang Rd		07:40	08:00
55179 Opp Castle Green Ang Mo Kio Ave 6		07:43	08:03
55189 Yio Chu Kang Stn Ang Mo Kio Ave 6	NS15Yio Chu Kang	07:44	08:04
55209 Opp Blk 646 Ang Mo Kio Ave 6		07:46	08:06
54259 Opp Grandeur 8 Ang Mo Kio Ave 5		07:47	08:07
54449 Opp Blk 507 Ang Mo Kio St 53		07:51	08:11
54401 Blk 522 Ang Mo Kio St 52		07:52	08:12
54411 Blk 527 Ang Mo Kio St 52		07:54	08:14
54589 Blk 555 Ang Mo Kio Ave 10		07:55	08:15
54291 Blk 564 Ang Mo Kio Ave 3		07:58	08:18
03241 Aft Enggor St Anson Rd	EW15Tanjong Pagar	08:26	08:46
03111 Aft Capital Twr Robinson Rd		08:28	08:48
03071 80 Robinson Rd Robinson Rd		08:30	08:50
03381 The Sail Marina Blvd		08:33	08:53
03391 Marina Bay Financial Ctr Marina Blvd	NS27CE2TE20Marina Bay	08:34	08:54

Direction 2 (Central Boulevard → Ang Mo Kio Avenue 5)

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Bus Stops	Nearby Attraction	Weekdays
		First bus	Last bus
03539 Marina Bay Stn Ctrl Blvd	NS27CE2TE20Marina Bay	18:10	18:25
03529 Downtown Stn Exit E Ctrl Blvd	DT17Downtown	18:13	18:27
03129 UIC Bldg Shenton Way	TE19Shenton Way	18:17	18:30
03218 Opp MAS Bldg Shenton Way	EW15Tanjong Pagar	18:20	18:33
54299 Opp Blk 565 Ang Mo Kio Ave 3		18:46	19:01
54581 Blk 574 Ang Mo Kio Ave 10		18:48	19:03
54419 Opp Blk 527 Ang Mo Kio St 52		18:50	19:05
54409 Opp Blk 522 Ang Mo Kio St 52		18:51	19:06
54441 Blk 507 Ang Mo Kio St 53		18:53	19:08
54359 Blk 502 Ang Mo Kio Ave 5		18:55	19:10
54251 Aft Grandeur 8 Ang Mo Kio Ave 5		18:57	19:12
55201 Aft Blk 648 Ang Mo Kio Ave 6		18:59	19:14
55181 Opp Yio Chu Kang Stn Ang Mo Kio Ave 6	NS15Yio Chu Kang	19:00	19:15
55171 Castle Green Ang Mo Kio Ave 6		19:03	19:18
55029 Seasons Pk Yio Chu Kang Rd		19:06	19:21
55149 Blk 622 Ang Mo Kio Ave 4		19:09	19:24
55139 Blk 641 Ang Mo Kio Ave 4		19:11	19:26
54451 Blk 643 Ang Mo Kio Ave 5		19:12	19:27
54461 Blk 649 Ang Mo Kio Ave 5		19:14	19:29

Historical Information

Operator	Route	Year	Date	Service changes
	AMAng Mo Kio Ave 5 → Marina Blvd PMCentral Blvd → Ang Mo Kio Ave 5	2016	15 March	Introduced between Ang Mo Kio Ave 5 (Opp Blk 649) and Marina Blvd (Marina Bay Financial Ctr) during morning peak hours and between Central Blvd (Marina Bay Stn) and Ang Mo Kio Ave 5 (Blk 649) during evening peak hours, operating 3 trips in the morning and 2 trips in the evening as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
		2018	25 June	4th AM peak trip added.
	N/A	2020	8 April	Suspended due to COVID-19 Circuit Breaker measures.
	AMAng Mo Kio Ave 5 → Marina Blvd PMCentral Blvd → Ang Mo Kio Ave 5		2 June	Resumed normal operations.
(Current)			14 December	Operations transferred to SBS Transit.
				Designated wheelchair-accessible bus service (WAB).