Bus Service 851

Service 851
Route Information
Route	Yishun Interchange ↔ Bukit Merah Interchange
Route Length	23.5 km (towards Bukit Merah) 23.1 km (towards Yishun)
Travelling Time	90 mins (1 h 30 mins)
Operator	(Seletar Bus Package)

SBS Transit Bus Service 851 is an inter-town bus service that connects the residential estates of Yishun, Ang Mo Kio, Novena and Bukit Merah to the city area such as Outram and Downtown Core.

This service largely duplicates with service 852 between Yishun and Marymount subzone (Bishan), after which it continues south towards the city, whereas service 852 heads west towards Bukit Batok.

Service Information

Bus Duty & Fleet

Service 851

Depot	Fleet Size	Fleet
Seletar Depot (SEDEP)	29	24 Single Deckers	5 Double Deckers
		SMB3076Y SMB3089K SMB3100K SMB3137E SMB3138C SMB3139A SMB3140U SMB3141S SMB3142P SMB3151M SMB3152K SMB3153H SMB3154E SMB3155C SMB3157Y SMB3158U SMB3159S SMB3164B SMB3165Z MAN NL323F SG1204K SG1206E Mercedes-Benz O530 Citaro	SG5040P SG5136Y SG5137U SG5148M SG5149K Volvo B9TL

ExpandNotes

SG1204K & SG1206E (Service 851) will perform one (1) crossover trip on City Direct 668 towards Marina Boulevard during Weekdays AM Peak. perform one (1) crossover trip on City Direct 668 towards Ang Mo Kio Ave 5 during Weekdays PM Peak, departing from Central Boulevard (Bus Stop 03539 - Marina Bay Stn at 1810 hours. SMB3164B & 1 other Service 851 SD will perform crossover trips on City Direct 668 towards Marina Boulevard during Weekdays AM Peak. This service practises jumpbus.

Route Information

Frequency

Period	AM Peak (First Bus - 08:30)	AM Off Peak (08:31 - 16:59)	PM Peak (17:00 - 19:00)	PM Off Peak (19:01 - Last Bus)
towards Bukit Merah	07 - 11 minutes	07 - 12 minutes	07 - 12 minutes	10 - 14 minutes
towards Yishun	08 - 13 minutes	09 - 12 minutes	07 - 11 minutes	07 - 13 minutes

Special Departures

Collapse 53159 Blk 260 Marymount Rd → 10009 Bt Merah Int Bt Merah Ctrl Departure Time
Weekdays	05:45 (SMB3138C - Duty 6A)

Direction 1 (Yishun → Bukit Merah)

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Bus Stops	Point of Interest	Weekdays		Saturdays		Suns / PHs
		First bus	Last bus	First bus	Last bus	First bus	Last bus
59009 Yishun Int(Berth B5) Yishun Ave 2	NS13 Yishun Northpoint City Nee Soon Central CC	05:30	23:40	05:30	23:40	05:30	23:40
59069 Opp Blk 757 Yishun Ave 2		05:31	23:41	05:31	23:41	05:31	23:41
59059 Blk 608 Yishun Ave 2		05:35	23:43	05:35	23:43	05:35	23:43
59049 Opp Khatib Stn Yishun Ave 2	NS14 Khatib	05:38	23:45	05:38	23:45	05:38	23:45
59039 Yishun Sports Hall Yishun Ave 2		05:39	23:46	05:39	23:46	05:39	23:46
59029 Aft Yishun Ave 1 Lentor Ave		05:40	23:47	05:40	23:47	05:40	23:47
59019 Aft Sg Seletar Bridge Lentor Ave		05:41	23:48	05:41	23:48	05:41	23:48
55269 Opp Bullion Pk Condo Lentor Ave		05:43	23:51	05:43	23:51	05:43	23:51
55259 Opp Countryside Est Lentor Ave		05:44	23:52	05:44	23:52	05:44	23:52
55249 Bef Yio Chu Kang Rd Lentor Ave		05:45	23:53	05:45	23:53	05:45	23:53
55179 Opp Castle Green Ang Mo Kio Ave 6		05:46	23:54	05:46	23:54	05:46	23:54
55189 Yio Chu Kang Stn Ang Mo Kio Ave 6	NS15 Yio Chu Kang	05:47	23:55	05:47	23:55	05:47	23:55
55209 Opp Blk 646 Ang Mo Kio Ave 6		05:49	23:57	05:49	23:57	05:49	23:57
54059 Bef Ang Mo Kio Lib Ang Mo Kio Ave 6	Ang Mo Kio Public Library	05:50	23:58	05:50	23:58	05:50	23:58
54049 Courts Ang Mo Kio Ang Mo Kio Ave 6	Ang Mo Kio Polyclinic	05:51	23:59	05:51	23:59	05:51	23:59
54039 Bef Al-Muttaqin Mque Ang Mo Kio Ave 6	Masjid Al-Muttaqin	05:52	00:00	05:52	00:00	05:52	00:00
54019 Blk 307A Ang Mo Kio Ave 6		05:54	00:02	05:54	00:02	05:54	00:02
53169 Blk 254 Marymount Rd		05:56	00:04	05:57	00:04	05:57	00:04
53159 Blk 260 Marymount Rd		05:45	00:05	05:58	00:05	05:58	00:05
53149 Whitley Sec Sch Marymount Rd		05:46	00:06	05:59	00:06	05:59	00:06
53139 Marymount View Marymount Rd		05:47	00:06	06:00	00:06	06:00	00:06
53129 Opp Marymount Stn Marymount Rd	CC16 Marymount	05:49	00:07	06:02	00:07	06:02	00:07
53119 Aft Bishan St 21 Marymount Rd		05:50	00:08	06:03	00:08	06:03	00:08
51089 Marymount Convent Sch Marymount Rd		05:51	00:09	06:04	00:09	06:04	00:09
51059 Aft Toa Payoh Rise Thomson Rd		05:53	00:11	06:06	00:11	06:06	00:11
51049 SLF Cplx Thomson Rd		05:55	00:12	06:07	00:12	06:07	00:12
51039 Opp S'pore Polo Club Thomson Rd		05:59	00:13	06:08	00:13	06:08	00:13
51029 Opp Old Police Acad Thomson Rd		05:59	00:13	06:09	00:13	06:09	00:13
51019 Thomson Flyover Thomson Rd		06:00	00:14	06:10	00:14	06:10	00:14
50059 Opp Thomson Med Ctr Thomson Rd		06:01	00:15	06:11	00:15	06:11	00:15
50049 Opp Novena Lodge Thomson Rd		06:02	00:16	06:12	00:16	06:12	00:16
50038 Novena Stn Thomson Rd	NS20 Novena Velocity @ Novena Square Tan Tock Seng Hospital	06:03	00:17	06:14	00:17	06:14	00:17
50029 Opp United Sq Thomson Rd		06:04	00:18	06:15	00:18	06:15	00:18
50019 Parish of Christ Ch Keng Lee Rd		06:07	00:20	06:18	00:20	06:18	00:20
40109 Opp KK Women & Child Hosp Kg Java Rd	KK Women's and Children's Hospital	06:08	00:21	06:19	00:21	06:19	00:21
40019 Little India Stn Bt Timah Rd	NE7 DT12 Little India	06:09	00:23	06:20	00:23	06:20	00:23
07539 Bef Rochor Stn Exit B Sungei Rd	DT13 Rochor Tekka Place	06:12	00:24	06:22	00:24	06:22	00:24
07589 Ch of Our Lady of Lourdes Ophir Rd		06:14	00:25	06:24	00:25	06:24	00:25
01139 Bugis Stn/Parkview Sq Nth Bridge Rd	EW12 DT14 Bugis	06:16	00:27	06:26	00:27	06:26	00:27
01039 Bugis Cube Nth Bridge Rd		06:17	00:28	06:27	00:28	06:27	00:28
01029 Opp Natl Lib Nth Bridge Rd	National Library Building	06:18	00:29	06:28	00:29	06:28	00:29
04168 Aft City Hall Stn Exit B Nth Bridge Rd	NS25 EW13 City Hall Funan National Gallery Singapore	06:20	00:31	06:30	00:31	06:30	00:31
04249 Opp The Treasury Nth Bridge Rd	Asian Civilisations Museum Funan National Gallery Singapore Supreme Court Victoria Concert Hall	06:21	00:32	06:31	00:32	06:31	00:32
05029 Boat Quay Sth Bridge Rd		06:23	00:34	06:33	00:34	06:33	00:34
05131 Opp Hong Lim Cplx Upp Cross St	NE4 DT19 Chinatown Chinatown Point Yue Hwa Building	06:25	00:36	06:35	00:36	06:35	00:36
05039 New Bridge Ctr New Bridge Rd		06:27	00:38	06:37	00:38	06:37	00:38
05019 Aft Duxton Plain Pk New Bridge Rd		06:30	00:39	06:38	00:39	06:38	00:39
06011 Outram Pk Stn Exit 7 Outram Rd	EW16 NE3 TE17 Outram Park Singapore General Hospital	06:32	00:41	06:40	00:41	06:40	00:41
06051 Blk 55 Tiong Bahru Rd		06:35	00:44	06:43	00:44	06:43	00:44
10141 Blk 18 Tiong Bahru Rd		06:36	00:45	06:44	00:45	06:44	00:45
10151 Ctrl Green Condo Tiong Bahru Rd		06:37	00:46	06:46	00:46	06:46	00:46
10161 Opp Tiong Bahru Stn/Plaza Tiong Bahru Rd	EW17 Tiong Bahru	06:38	00:47	06:47	00:47	06:47	00:47
10171 Opp Tiong Bahru Pk Tiong Bahru Rd		06:40	00:49	06:49	00:49	06:49	00:49
10359 Opp Blk 95C Henderson Rd		06:41	00:49	06:50	00:49	06:50	00:49
10349 Blk 116 Henderson Rd		06:43	00:50	06:51	00:50	06:51	00:50
10009 Bt Merah Int(Alighting) Bt Merah Ctrl		06:45	00:53	06:54	00:53	06:54	00:53

Notes:

• 06:00: Underlined times indicate that the first bus is a downroute bus rather than one starting from the first stop.

Direction 2 (Bukit Merah → Yishun)

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Bus Stops	Point of Interest	Weekdays		Saturdays		Suns / PHs
		First bus	Last bus	First bus	Last bus	First bus	Last bus
10009 Bt Merah Int(Berth B3) Bt Merah Ctrl		05:40	23:45	05:40	23:45	05:40	23:45
10341 Opp Blk 116 Henderson Rd		05:43	23:48	05:43	23:48	05:43	23:48
10351 Blk 95B Henderson Rd		05:45	23:49	05:45	23:49	05:45	23:49
10179 Tiong Bahru Pk Tiong Bahru Rd		05:46	23:50	05:46	23:51	05:46	23:51
10169 Tiong Bahru Stn/Plaza Tiong Bahru Rd	EW17 Tiong Bahru	05:49	23:52	05:49	23:53	05:49	23:53
10149 Blk 1 Tiong Bahru Rd		05:51	23:54	05:51	23:55	05:51	23:55
06049 Bef Outram Flyover Outram Rd		05:53	23:55	05:53	23:56	05:53	23:56
06029 Outram Pk Stn Exit 1 Outram Rd	EW16 NE3 TE17 Outram Park Singapore General Hospital	05:55	23:57	05:55	23:58	05:55	23:58
05012 Bef Pearl's Hill Terr Eu Tong Sen St	EW16 NE3 TE17 Outram Park	05:57	23:59	05:57	00:00	05:57	00:00
05022 Aft Chinatown Stn Exit D Eu Tong Sen St	NE4 DT19 Chinatown Chinatown Point People's Park Centre State Courts Yue Hwa Building	05:59	00:01	05:59	00:02	05:59	00:02
04222 Clarke Quay Stn Exit E Eu Tong Sen St	NE5 Clarke Quay Clarke Quay Central	06:01	00:03	06:01	00:04	06:01	00:04
04223 Old Hill St Police Stn Hill St	Central Fire Station Funan Registry of Marriages	06:02	00:04	06:02	00:05	06:02	00:05
04151 Cath of The Good Shepherd Victoria St	Capitol Theatre CHIJMES SMU	06:05	00:07	06:05	00:08	06:05	00:08
01013 St. Joseph's Ch Victoria St	National Library Building	06:06	00:08	06:06	00:10	06:06	00:10
01112 Opp Bugis Stn Exit C Victoria St	EW12 DT14 Bugis Bugis Junction Bugis+ Bugis Street	06:08	00:10	06:08	00:11	06:08	00:11
07551 Fu Lu Shou Cplx Rochor Rd		06:09	00:11	06:09	00:13	06:09	00:13
07531 Rochor Stn Rochor Canal Rd	DT13 Rochor	06:10	00:12	06:10	00:14	06:10	00:14
40011 Little India Stn Exit A Bt Timah Rd	NE7 DT12 Little India	06:12	00:13	06:12	00:16	06:12	00:16
40101 KK Women & Children Hosp Kg Java Rd	KK Women's and Children's Hospital	06:14	00:15	06:14	00:18	06:14	00:18
50011 Opp Parish of Christ Ch Kg Java Rd		06:15	00:16	06:15	00:18	06:15	00:18
50021 United Sq/Bef Novena Stn Thomson Rd	NS20 Novena	06:18	00:18	06:18	00:21	06:18	00:21
50031 Opp Novena Ch Thomson Rd	NS20 Novena	06:20	00:20	06:20	00:23	06:20	00:23
50041 Novena Lodge Thomson Rd		06:21	00:20	06:21	00:24	06:21	00:24
50051 Thomson Med Ctr Thomson Rd		06:22	00:21	06:22	00:25	06:22	00:25
51011 Opp Tan Tong Meng Twr Thomson Rd		06:23	00:22	06:23	00:26	06:23	00:26
51021 Old Police Acad Thomson Rd		06:24	00:23	06:24	00:28	06:24	00:28
51031 S'pore Polo Club Thomson Rd		06:25	00:24	06:25	00:29	06:25	00:29
51051 Aft Andrew Rd Thomson Rd		06:26	00:25	06:26	00:30	06:26	00:30
51081 Opp Marymount Convent Sch Marymount Rd		06:28	00:26	06:28	00:31	06:28	00:31
53111 Bef Marymount Lane Marymount Rd		06:29	00:27	06:29	00:32	06:29	00:32
53121 Marymount Stn Marymount Rd	CC16 Marymount	06:31	00:28	06:31	00:33	06:31	00:33
53131 Aft Jadescape Marymount Rd		06:33	00:29	06:33	00:34	06:33	00:34
53141 Opp Whitley Sec Sch Marymount Rd		06:34	00:30	06:34	00:35	06:34	00:35
53151 Opp Blk 263A CP Marymount Rd		06:35	00:32	06:35	00:37	06:35	00:37
53161 Marymount CC Marymount Rd		06:37	00:33	06:37	00:38	06:37	00:38
54011 Blk 207 Ang Mo Kio Ave 6		06:38	00:34	06:38	00:39	06:38	00:39
54031 Opp Al-Muttaqin Mque Ang Mo Kio Ave 6	Masjid Al-Muttaqin	06:40	00:35	06:40	00:40	06:40	00:40
54041 Opp Courts Ang Mo Kio Ang Mo Kio Ave 6	Ang Mo Kio Polyclinic	06:42	00:37	06:41	00:42	06:42	00:42
54051 Bef Ang Mo Kio Ave 5 Ang Mo Kio Ave 6		06:43	00:37	06:42	00:42	06:43	00:42
55201 Aft Blk 648 Ang Mo Kio Ave 6		06:44	00:38	06:43	00:43	06:44	00:43
55181 Opp Yio Chu Kang Stn Ang Mo Kio Ave 6	NS15 Yio Chu Kang	06:45	00:39	06:44	00:44	06:45	00:44
55171 Castle Green Ang Mo Kio Ave 6		06:47	00:41	06:46	00:46	06:47	00:46
55241 Aft Yio Chu Kang Rd Lentor Ave		06:48	00:42	06:47	00:47	06:48	00:47
55251 Countryside Est Lentor Ave		06:49	00:43	06:48	00:48	06:49	00:48
55261 Bullion Pk Condo Lentor Ave		06:50	00:44	06:49	00:49	06:50	00:49
59011 Bef Sg Seletar Bridge Lentor Ave		06:53	00:46	06:52	00:51	06:52	00:51
59021 Bef Yishun Ave 1 Lentor Ave		06:54	00:48	06:53	00:53	06:54	00:53
59031 Opp Yishun Sports Hall Yishun Ave 2		06:55	00:48	06:54	00:53	06:54	00:53
59041 Bef Khatib Stn Yishun Ave 2	NS14 Khatib	06:56	00:49	06:55	00:54	06:55	00:54
59051 Blk 790 Yishun Ave 2		06:58	00:51	06:56	00:56	06:57	00:56
58991 Blk 767 Yishun Ave 2		07:00	00:53	06:58	00:58	06:59	00:58
59009 Yishun Int(Alighting) Yishun Ave 2	NS13 Yishun Northpoint City Nee Soon Central CC	07:02	00:55	07:00	01:00	07:01	01:00

Historical Information

Operator	Route	Year	Date	Service changes
Known as prior to 10 May 2004	Yishun ↔ Bukit Merah	1985	16 February	Introduced between Yishun Ctrl Ter and Bt Merah Int.
		1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
			23 August	Amended to Yishun Int.
			27 September	Amended to ply the extended Eu Tong Sen St towards Yishun Int to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St to facilitate the second stage of road expansion along New Bridge Rd.
			13 December	Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
		1988	20 March	Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
		1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
		1997	7 December	Amended to ply Sth Bridge Rd, Neil Rd and Cantonment Rd with the partial closure of New Bridge Rd to facilitate the construction of NE4 DT19 NE4 DT19 Chinatown station on the North East Line.
		2001	18 February	Serves the bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
		2002	20 April	Amended to ply Upp Cross St and the reinstated New Bridge Rd, skipping Sth Bridge Rd, Neil Rd and Cantonment Rd.
		2003	TBC	Skips a pair of bus stops near LP 94 and opposite LP 91 along Lentor Ave.
		2009	1 June	Designated wheelchair-accessible bus service (WAB).
		2015	14 March	Amended to Yishun Temp Int.
(Current)		2018	25 March	Operations transferred to SBS Transit.
		2019	8 September	Amended to Yishun Integrated Transport Hub.
		2020	12 January	Skips a pair of removed bus stops under and after Lentor Flyover along Lentor Ave.
			8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).

External Links

• SimplyGo eGuide
• Bus Service Route Map