Bus Service 33

	Service 33;
Route Information
Route	Bedok Interchange ↔ Kent Ridge Terminal
Route Length	25.3 km (towards Kent Ridge); 25.8 km (towards Bedok)
Travelling Time	90 mins; (1 h 30 mins)
Operator	; (Clementi Bus Package)

Bus Service 33 spans East to West, linking Bedok with Kent Ridge and surrounding areas. From Bedok, the route passes through Telok Kurau, Joo Chiat, Old Airport, Kallang, Bugis, Clarke Quay and Chinatown, continuing west to Tiong Bahru, Redhill, AYE, Dover and Kent Ridge. As an inter-town route, demand is good and spread out through the route.

Residents of Joo Chiat and Telok Kurau frequently rely on this route for connections to nearby

EW6

Kembangan

and

CC8

Dakota

stations. Within the central areas, Service 33’s direct routing between Outram Park and Lavender makes it a popular route between the two areas, while serving Clarke Quay, Bras Basah and Bugis. As such, the route encounters moderate to high demand throughout the day.

Short-Trip Service 33A starts from Kent Ridge Bus Terminal and ends at Tiong Bahru Road (Blk 1) and it only operates during Weekday Evening Peak hours and supplements the high demand for Service 33 along its residential sectors.

Short-Trip Service 33B operates during Weekday Morning Peak hours and supplements the high demand for Service 33 from residents along Changi Road and Joo Chiat Place travelling to

CC8

Dakota

Station and Old Airport Road Food Centre.

Service Information

Bus Duty & Fleet

Service 33/33A/33B
Depot	Fleet Size			Fleet
Depot	33	33A	33B	Fleet
Ulu Pandan Depot (UPDEP)	25 Ulu Pandan: 15 Bedok North: 10	2	3	15 Single Deckers
Ulu Pandan Depot (UPDEP)		2	3	SBS6136D SBS6271X SBS6611Z SBS6654A SBS6781R Mercedes-Benz O530 Citaro SBS5072K SBS5151R SBS8336E SBS8476J SBS8543Z SBS8678T^A SBS8858R SBS8893M^A SBS8967J Scania K230UB
Bedok North Depot (BNDEP)		N/A	N/A	10 Single Deckers
Bedok North Depot (BNDEP)		N/A	N/A	SBS6101D SBS6153D SBS6204R SBS6209C SBS6856J SBS6857G Mercedes-Benz O530 Citaro SBS8226P SBS8228J SBS8453A SBS8950G Scania K230UB

ExpandNotes
1 missing UPDEP bus. SBS6204R will perform two (2) crossover trips on Service 45 during Weekdays AM Peak. Mondays-Thursdays: Ulu Pandan 9A-11P / 3S / 1T; Bedok North 5A-5P / 5S (25 buses) Fridays: Ulu Pandan 12A-11P / 2S; Bedok North 5A-5P / 2E / 3S (24 buses) Weekdays Sch Hols: Ulu Pandan 14A-14P / 2S; Bedok North 5A-5P / 5S (26 buses) Saturdays: Ulu Pandan 11A-11P / 2T; Bedok North 9A-9P / 2E (24 buses) Sundays & Public Holidays: Ulu Pandan 12A-12P; Bedok North 8A-9P (21 buses) Special Weekdays: Ulu Pandan 12A-11P / 2S; Bedok North 7A-5P / 2E / 1S (25 buses)

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 Kent Ridge	08 - 15 minutes	09 - 18 minutes	13 - 15 minutes	10 - 17 minutes
towards Bedok	09 - 14 minutes	09 - 18 minutes	10 - 16 minutes	11 - 17 minutes

Special Departures

82139
Maranatha Hall
Dunman Rd
→
16009
Kent Ridge Ter
Clementi Rd
- Weekdays: 05:40 & 05:55
- Saturdays: 05:40 & 05:54
06051
Blk 55
Tiong Bahru Rd
→
16009
Kent Ridge Ter
Clementi Rd
- Mondays - Thursdays: 06:29 (SBS8967J - Duty 39T), 07:08, 07:34, 07:58 & 08:28
- Fridays: 06:37 (SBS8967J - Duty 39T), 07:08, 07:31, 07:55 & 08:37
11511
Alexandra Hosp
Alexandra Rd
Alexandra Hospital
Queensway Shopping Centre →
84009
Bedok Int
Bedok Nth Dr
EW5
Bedok

Bedok Mall
- Weekdays: 05:50 & 06:07
- Saturdays: 06:05
81181
Dakota Stn Exit A/Blk 99
Old Airport Rd
CC8
Dakota
→
84009
Bedok Int
Bedok Nth Dr
EW5
Bedok

Bedok Mall
- Mondays - Thursdays: 08:03 (UPDEP), 08:48 (UPDEP) & 09:19 (UPDEP)
- Fridays: 08:01 (UPDEP), 08:42 (UPDEP) & 09:21 (UPDEP)
82131
Opp Maranatha Hall
Dunman Rd
→
84009
Bedok Int
Bedok Nth Dr
EW5
Bedok

Bedok Mall
- Weekdays: 06:20

Service 33A

SBS8164J on Short-Trip Service 33A

16009
Kent Ridge Ter
Clementi Rd
→
10149
Blk 1
Tiong Bahru Rd
- Mondays - Thursdays: 16:19 (SBS8678T), 16:53 (SBS8893M), 17:33 (SBS8678T) & 18:47 (SBS8893M)
- Fridays: 16:15 (SBS8678T), 16:50 (SBS8893M), 17:24 (SBS8678T) & 18:35 (SBS8893M)

Service 33B

SBS8678T on Short-Trip Service 33B

84009
Bedok Int
Bedok Nth Dr
EW5
Bedok

Bedok Mall →
81179
Blk 22
Old Airport Rd
CC7
Mountbatten
- Mondays - Thursdays: 07:22, 08:06 & 08:36
- Fridays: 07:17, 07:56 & 08:39

Direction 1 (Bedok → Kent Ridge)

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Bus Stops		Nearby Attraction	Weekdays		Saturdays		Suns / PHs
Bus Stops		Nearby Attraction	First bus	Last bus	First bus	Last bus	First bus	Last bus
84009 Bedok Int(Berth B9) Bedok Nth Dr	EW5 Bedok Bedok Mall	33B	EW5 Bedok	05:45	23:45	05:50	23:45	06:00	23:45
84029 Opp Blk 32 New Upp Changi Rd		33B		05:48	23:47	05:52	23:47	06:02	23:47
84019 Opp Chai Chee Ind Pk New Upp Changi Rd		33B		05:49	23:48	05:53	23:48	06:03	23:48
83099 Aft Perpetual Succour Ch Changi Rd		33B		05:51	23:50	05:55	23:50	06:05	23:49
83079 Bef Siglap Plain Changi Rd		33B		05:53	23:51	05:56	23:51	06:06	23:50
83059 Mjd Kassim Changi Rd	EW6 Kembangan Kembangan Plaza	33B	EW6 Kembangan	05:54	23:52	05:57	23:52	06:07	23:51
83049 Bef Lor 110 Changi Changi Rd		33B		05:55	23:53	05:58	23:53	06:08	23:52
83149 Aft Changi Rd Telok Kurau Rd		33B		05:56	23:53	05:59	23:53	06:08	23:52
83159 Opp Parkway East Hosp Joo Chiat Pl		33B		05:58	23:55	06:00	23:54	06:09	23:53
83169 Bef Still Rd Joo Chiat Pl		33B		05:59	23:55	06:01	23:55	06:10	23:54
82179 Aft Rambutan Rd Joo Chiat Pl		33B		06:00	23:56	06:02	23:56	06:11	23:55
82159 Aft Tembeling Rd Joo Chiat Pl		33B		06:02	23:57	06:03	23:57	06:12	23:56
82149 Bef Koon Seng Rd Joo Chiat Rd		33B		06:03	23:58	06:04	23:58	06:13	23:57
82139 Maranatha Hall Dunman Rd		33B		05:40	00:00	05:40	00:00	06:14	23:59
82129 Tg Katong Sec Sch Dunman Rd		33B		05:41	00:01	05:41	00:01	06:15	00:00
81199 Bef Old Airport Rd Dunman Rd		33B		05:44	00:02	05:43	00:02	06:16	00:01
81189 Dakota Stn Exit B/Blk 60 Old Airport Rd	CC8 Dakota	33B	CC8 Dakota	05:44	00:03	05:44	00:03	06:17	00:02
81179 Blk 22 Old Airport Rd	CC7 Mountbatten	33B	CC7 Mountbatten	05:45	00:04	05:44	00:04	06:18	00:03
80141 Opp S.A. Deaf Mountbatten Rd				05:47	00:06	05:46	00:06	06:20	00:05
80111 Bef Geylang Rd Sims Way				05:50	00:08	05:48	00:08	06:21	00:06
80049 Aft Sims Way Geylang Rd				05:50	00:09	05:49	00:09	06:22	00:07
80039 Opp Lor 1 Geylang Ter Geylang Rd		EW10 Kallang	EW10 Kallang	05:51	00:10	05:50	00:10	06:23	00:08
80029 Bef Kg Bugis Kallang Rd				05:52	00:11	05:51	00:11	06:24	00:09
01319 Lavender Stn Exit A/ICA Kallang Rd		EW11 Lavender ICA Building	EW11 Lavender	05:54	00:12	05:52	00:12	06:25	00:10
01219 Blk 461 Victoria St				05:56	00:14	05:54	00:14	06:27	00:11
01129 Bef Jln Pisang Victoria St				05:58	00:15	05:55	00:15	06:28	00:12
01059 Bugis Stn Exit B Victoria St		EW12 DT14 Bugis Bugis Junction	EW12 DT14 EW12 DT14 Bugis	06:00	00:16	05:56	00:16	06:30	00:13
01119 Aft Bugis Stn Exit C Victoria St		EW12 DT14 Bugis Bugis Junction Bugis+ Bugis Street	EW12 DT14 EW12 DT14 Bugis	06:01	00:17	05:57	00:17	06:31	00:14
01019 Bras Basah Cplx Victoria St		Bras Basah Complex National Library Singapore SMU		06:03	00:19	05:59	00:19	06:33	00:16
04159 Aft CHIJMES Victoria St		Capitol Theatre CHIJMES Raffles City Peranakan Museum		06:04	00:20	06:00	00:20	06:34	00:17
04149 Grand Pk City Hall Hill St		Central Fire Station Funan Registry of Marriages Peranakan Museum		06:06	00:21	06:02	00:21	06:35	00:18
04229 High St Ctr Hill St		Old Hill Street Police Station		06:07	00:22	06:03	00:22	06:36	00:19
04239 Opp Clarke Quay Stn New Bridge Rd		NE5 Clarke Quay Clarke Quay Central	NE5 Clarke Quay	06:07	00:23	06:04	00:23	06:37	00:20
05059 Hong Lim Pk New Bridge Rd		NE5 Clarke Quay	NE5 Clarke Quay	06:08	00:24	06:05	00:24	06:38	00:21
05049 Chinatown Stn Exit E New Bridge Rd		NE4 DT19 Chinatown Chinatown Point People's Park Centre State Courts Yue Hwa Building	NE4 DT19 NE4 DT19 Chinatown	06:09	00:25	06:06	00:25	06:39	00:22
05039 New Bridge Ctr New Bridge Rd				06:11	00:26	06:08	00:27	06:41	00:23
05019 Aft Duxton Plain Pk New Bridge Rd			EW16 NE3 TE17 EW16 NE3 TE17 Outram Park	06:12	00:27	06:09	00:28	06:42	00:24
06011 Outram Pk Stn Exit 7 Outram Rd		EW16 NE3 TE17 Outram Park Singapore General Hospital	EW16 NE3 TE17 EW16 NE3 TE17 Outram Park	06:15	00:29	06:11	00:30	06:44	00:26
06051 Blk 55 Tiong Bahru Rd				06:17	00:32	06:14	00:33	06:47	00:29
10141 Blk 18 Tiong Bahru Rd				06:18	00:33	06:15	00:34	06:48	00:30
10151 Ctrl Green Condo Tiong Bahru Rd				06:21	00:35	06:17	00:36	06:49	00:31
10161 Opp Tiong Bahru Stn/Plaza Tiong Bahru Rd		EW17 Tiong Bahru	EW17 Tiong Bahru	06:22	00:36	06:18	00:37	06:50	00:32
10171 Opp Tiong Bahru Pk Tiong Bahru Rd				06:24	00:38	06:20	00:38	06:52	00:33
10181 Bef Ar-Rabitah Mque Tiong Bahru Rd				06:26	00:39	06:21	00:39	06:53	00:34
10191 Blk 78 Tiong Bahru Rd				06:27	00:40	06:22	00:40	06:54	00:35
10201 Opp Redhill Stn Tiong Bahru Rd		EW18 Redhill	EW18 Redhill	06:28	00:41	06:23	00:41	06:55	00:36
10281 SIS Bldg Alexandra Rd				06:30	00:42	06:25	00:42	06:56	00:37
10291 Opp Dawson Pl Alexandra Rd				06:32	00:43	06:26	00:44	06:58	00:39
11539 Lea Hin Hardware Fty Alexandra Rd				06:33	00:44	06:28	00:45	06:59	00:40
11529 Bef IKEA Ind Bldg Alexandra Rd		Anchorpoint Alexandra Central IKEA Alexandra		06:35	00:45	06:29	00:46	07:00	00:41
11519 Opp Queensway Shop Ctr Alexandra Rd		Alexandra Hospital Queensway Shopping Centre		06:35	00:46	06:30	00:47	07:01	00:42
18041 Normanton Pk AYE				06:41	00:49	06:34	00:50	07:04	00:44
18131 Science Pk AYE				06:41	00:49	06:34	00:50	07:04	00:44
18101 5 Sci Pk Dr Buona Vista Flyover		CC24 Kent Ridge National University Hospital		06:44	00:51	06:36	00:52	07:06	00:45
18121 Opp Ayer Rajah Ind Est Buona Vista Flyover				06:47	00:52	06:38	00:53	07:07	00:46
18119 Opp Fairfield Meth Pr Sch Dover Rd				06:48	00:53	06:39	00:54	07:08	00:46
19089 ACS Independent Dover Rd				06:48	00:54	06:40	00:55	07:09	00:47
19079 Dover Ct Intl Sch Dover Rd		Singapore Polytechnic		06:49	00:55	06:41	00:56	07:10	00:48
19069 Opp Ayer Rajah Telecoms Dover Rd			06:51	00:56	06:42	00:57	07:11	00:49
19059 University Town Dover Rd			06:52	00:56	06:43	00:57	07:11	00:49
17099 Yale-NUS College Clementi Rd				06:52	00:57	06:43	00:58	07:12	00:50
16159 Coll of Design & Engrg Clementi Rd				06:55	01:00	06:46	01:00	07:15	00:52
16149 SDE3 Clementi Rd				06:56	01:01	06:47	01:01	07:16	00:53
16009 Kent Ridge Ter Clementi Rd				06:58	01:03	06:48	01:02	07:17	00:54

Direction 1 (Kent Ridge → Bedok)

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Bus Stops		Nearby Attraction	Weekdays		Saturdays		Suns / PHs
Bus Stops		Nearby Attraction	First bus	Last bus	First bus	Last bus	First bus	Last bus
16009 Kent Ridge Ter Clementi Rd		33A		06:00	23:45	06:00	23:45	06:00	23:45
16131 Opp Kent Ridge Ter Clementi Rd	Kent Ridge Terminal NUS	33A		06:01	23:46	06:01	23:46	06:00	23:46
16141 Tentera Diraja Mque Clementi Rd		33A		06:02	23:47	06:02	23:47	06:01	23:47
16151 The Japanese Pr Sch Clementi Rd		33A		06:02	23:47	06:02	23:47	06:02	23:47
19051 New Town Sec Sch Dover Rd	33A		06:06	23:51	06:06	23:51	06:05	23:51
19061 Ayer Rajah Telecoms Dover Rd	33A		06:07	23:52	06:07	23:52	06:06	23:52
19071 Opp ACS Independent Dover Rd		33A		06:09	23:53	06:08	23:53	06:07	23:53
19081 Opp ACS Boarding Sch Dover Rd	Anglo–Chinese JC	33A		06:10	23:53	06:08	23:53	06:07	23:53
18111 Fairfield Meth Pr Sch Dover Rd		33A		06:11	23:54	06:09	23:54	06:08	23:54
18129 Ayer Rajah Ind Est Buona Vista Flyover		33A		06:13	23:55	06:10	23:55	06:09	23:55
18109 Blk 55/Opp 5 Sci Pk Dr Buona Vista Flyover		33A		06:14	23:55	06:11	23:56	06:10	23:55
18049 Opp Science Pk AYE		33A		06:18	23:57	06:12	23:57	06:11	23:57
11511 Alexandra Hosp Alexandra Rd	Alexandra Hospital Queensway Shopping Centre	33A		05:50	23:59	06:05	00:00	06:14	23:59
11521 Anchorpoint Alexandra Rd	Anchorpoint Alexandra Central IKEA Alexandra	33A		05:51	00:00	06:06	00:01	06:15	00:00
11531 Opp Lea Hin Hardware Fty Alexandra Rd		33A		05:53	00:01	06:08	00:02	06:16	00:01
10299 Aft Dawson Pl Alexandra Rd		33A		05:55	00:03	06:10	00:04	06:18	00:03
10287 Opp Cycle & Carriage Alexandra Rd		33A		05:55	00:03	06:10	00:04	06:18	00:03
10209 Redhill Stn Tiong Bahru Rd	EW18 Redhill	33A	EW18 Redhill	05:57	00:05	06:12	00:06	06:20	00:05
10199 Delta Swim Cplx Tiong Bahru Rd		33A		05:58	00:06	06:12	00:07	06:21	00:06
10189 Blk 104A CP Tiong Bahru Rd		33A		05:59	00:07	06:14	00:08	06:23	00:07
10179 Tiong Bahru Pk Tiong Bahru Rd		33A		06:00	00:08	06:15	00:09	06:24	00:08
10169 Tiong Bahru Stn/Plaza Tiong Bahru Rd	EW17 Tiong Bahru	33A	EW17 Tiong Bahru	06:02	00:10	06:17	00:11	06:26	00:09
10149 Blk 1 Tiong Bahru Rd		33A		06:04	00:13	06:19	00:13	06:29	00:11
06049 Bef Outram Flyover Outram Rd				06:05	00:14	06:20	00:14	06:30	00:12
06029 Outram Pk Stn Exit 1 Outram Rd		EW16 NE3 TE17 Outram Park Singapore General Hospital	EW16 NE3 TE17 EW16 NE3 TE17 Outram Park	06:07	00:16	06:22	00:16	06:32	00:14
05013 Chinatown Stn Exit C Eu Tong Sen St		NE4 DT19 Chinatown New Bridge Centre People's Park Complex Yue Hwa Building	NE4 DT19 NE4 DT19 Chinatown	06:10	00:19	06:25	00:18	06:34	00:16
05023 Opp Hong Lim Pk Eu Tong Sen St		NE5 Clarke Quay		06:12	00:21	06:27	00:20	06:36	00:17
04222 Clarke Quay Stn Exit E Eu Tong Sen St		NE5 Clarke Quay Clarke Quay Central	NE5 Clarke Quay	06:13	00:22	06:28	00:21	06:37	00:18
04142 Armenian Ch Hill St		Central Fire Station Funan Registry of Marriages Peranakan Museum		06:15	00:25	06:30	00:24	06:39	00:20
01012 Hotel Grand Pacific Victoria St		CC2 Bras Basah Bras Basah Complex CHIJMES SMU		06:17	00:27	06:32	00:26	06:41	00:22
01113 Bugis Stn Exit A Victoria St		EW12 DT14 Bugis Bugis Junction Raffles Hospital	EW12 DT14 EW12 DT14 Bugis	06:19	00:30	06:34	00:29	06:43	00:24
01121 Aft Victoria Ln Victoria St				06:21	00:32	06:36	00:31	06:45	00:26
01211 Opp Blk 461 Victoria St				06:22	00:33	06:37	00:32	06:46	00:27
01311 Lavender Stn Exit B Kallang Rd		EW11 Lavender ICA Building	EW11 Lavender	06:23	00:34	06:38	00:33	06:47	00:28
80011 Aft Padang Jeringau Kallang Rd				06:25	00:36	06:40	00:35	06:49	00:29
80031 Kallang Stn Sims Ave		EW10 Kallang	EW10 Kallang	06:26	00:37	06:41	00:36	06:50	00:30
80051 Aft Lor 1 Geylang Sims Ave				06:27	00:38	06:42	00:37	06:51	00:31
80119 Aft Geylang Rd Sims Way				06:30	00:40	06:44	00:39	06:53	00:32
80149 S.A. Deaf Mountbatten Rd				06:32	00:41	06:46	00:40	06:54	00:34
81171 Blk 39 Old Airport Rd		CC7 Mountbatten	CC7 Mountbatten	06:35	00:44	06:48	00:43	06:57	00:36
81181 Dakota Stn Exit A/Blk 99 Old Airport Rd		CC8 Dakota	CC8 Dakota	06:36	00:45	06:50	00:44	06:58	00:37
81191 Aft Old Airport Rd Dunman Rd				06:37	00:46	06:51	00:45	06:59	00:38
82121 Questa @ Dunman Dunman Rd				06:39	00:48	06:53	00:47	07:01	00:39
82131 Opp Maranatha Hall Dunman Rd				06:20	00:49	06:54	00:49	07:02	00:40
82141 Aft Koon Seng Rd Tembeling Rd				06:21	00:50	06:55	00:50	07:03	00:41
82151 Bef Joo Chiat Pl Tembeling Rd				06:23	00:51	06:56	00:51	07:04	00:42
82171 Bef Mangis Rd Joo Chiat Pl				06:24	00:53	06:58	00:53	07:06	00:43
82181 Flora East Joo Chiat Pl				06:25	00:54	06:59	00:54	07:07	00:44
83151 Parkway East Hosp Joo Chiat Pl				06:26	00:55	07:00	00:55	07:08	00:45
83131 Aft Lor H Telok Kurau Telok Kurau Rd				06:27	00:56	07:01	00:56	07:09	00:46
83141 Aft Lor G Telok Kurau Telok Kurau Rd				06:27	00:56	07:02	00:56	07:09	00:46
83031 Opp Hong San Si Tp Sims Ave East				06:30	00:59	07:04	00:59	07:12	00:48
83062 Kembangan Stn Sims Ave East		EW6 Kembangan Kembangan Plaza	EW6 Kembangan	06:31	01:00	07:06	01:00	07:13	00:49
83081 Opp Perpetual Succour Ch Sims Ave East				06:33	01:02	07:08	01:02	07:15	00:51
84011 Chai Chee Ind Pk New Upp Changi Rd				06:36	01:03	07:10	01:03	07:17	00:52
84021 Blk 32 New Upp Changi Rd				06:38	01:05	07:12	01:05	07:19	00:54
84009 Bedok Int(Alighting) Bedok Nth Dr		EW5 Bedok Bedok Mall	EW5 Bedok	06:42	01:07	07:15	01:07	07:22	00:56

Historical Information

Operator	Route	Year	Date	Service changes
Amalgamated Bus Company	Changi Rd ↔ Clementi Rd	1971	11 April	Introduced between Changi Rd Ter and Clementi Rd Ter under 1971 Bus Reorganisation.
Amalgamated Bus Company	Changi Rd ↔ Pasir Panjang Rd	1971	19 May	Amended to Pasir Panjang Rd Ter.
(Current) Known as prior to 1 November 2001	Chai Chee ↔ Pasir Panjang Rd	1973	1 July	Operations transferred to Singapore Bus Services.
	Chai Chee ↔ Pasir Panjang Rd	1973	1 July	Extended to Chai Chee Ter.
	Upp Changi Rd Track 6 ↔ Pasir Panjang Rd	1974	1 December	Extended to Upp Changi Rd Track 6 Ter.
		1975	2 February	Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
		1975	2 March	Amended to ply Sims Ave towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
	Chai Chee ↔ Pasir Panjang Rd	1978	13 March	Amended to Chai Chee Ter.
		1979	14 October	Amended to ply Still Rd and Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic, skipping Telok Kurau Rd.
		1979	14 November	Amended to ply Telok Kurau Rd, skipping Still Rd.
	Chai Chee ↔ Kent Ridge	1981	5 July	Amended to Kent Ridge Ter.
	Bedok ↔ Kent Ridge	1985	15 September	Extended to Bedok Int and amended to ply Dunman Rd, Old Airport Rd and Mountbatten Rd.
		1986	1 June	Skips removed bus stop before Ayer Rajah Rd along Clementi Rd.
		1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
			27 September	Amended to ply the extended Eu Tong Sen St towards Bedok 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	11 January	Serves merged bus stop along Ayer Rajah Rd.
			20 March	Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
			29 May	Amended to ply Buona Vista Flyover with the opening of the Ayer Rajah Expressway (AYE), skipping Portsdown Rd.
		1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
		1993	11 April	Amended to ply Jln Sultan, Victoria St and Hill St, skipping Sth Bridge Rd and Upp Cross St.
		1994	3 July	Amended to ply Kallang Rd and Victoria St, skipping Crawford St, Nth Bridge Rd and Jln Sultan.
		1995	1 April	Amended to ply Tembeling Rd towards Bedok Int with the partial conversion of Joo Chiat Rd to one-way traffic.
		1996	TBC	Skips a removed bus stop before Joo Chiat Pl along Joo Chiat Rd.
		1997	TBC	Serves the bus stop outside Bugis Stn along Victoria St, skipping the bus stop opposite Bugis Junction.
		1997	7 December	Amended to ply Upp Pickering St, 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.
		1998	TBC	First bus from Bedok Int brought forward to 0545 hrs on weekdays, and 0550 hrs on Saturdays.
		2002	20 April	Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd, Neil Rd and Cantonment Rd.
	33Bedok ↔ Kent Ridge 33AKent Ridge → Tiong Bahru Rd	2002	TBC	33AIntroduced from Kent Ridge Ter to Tiong Bahru Rd (Blk 1) during evening peak hours on weekdays.
		2005	5 June	Amended to ply Sims Ave and Sims Way with the partial closure of southbound Mountbatten Rd.
			12 June	Serves new bus stop outside Science Pk along AYE.
			26 June	Amended to ply Sims Way and Geylang Rd with the partial closure of northbound Mountbatten Rd.
		2006	19 March	Amended to ply Cassia Lk, Cassia Cres, Guillemard Rd and Guillemard Camp Rd with the partial closure of Old Airport Rd and Dunman Rd to facilitate the construction of CC8 Dakota station on the Circle Line.
		2008	26 October	Serves additional bus stop opposite Kent Ridge Ter along Clementi Rd.
		2008	29 December	Amended to ply the reinstated Old Airport Rd and Dunman Rd, skipping Cassia Lk, Guillemard Rd and Guillemard Camp Rd.
	33Bedok ↔ Kent Ridge 33AKent Ridge → Tiong Bahru Rd 33BBedok → Joo Chiat Rd	2009	9 August	33BIntroduced from Bedok Int to Joo Chiat Rd (Aft Tembeling Rd) during the 1st and 15th days of the lunar calendar if they fall on Sun/P.H.
		2011	19 November	Amended to Bedok Temp Int.
		2012	25 June	Designated wheelchair-accessible bus service (WAB).
		2014	30 November	Amended to Bedok Integrated Transport Hub.
	33Bedok ↔ Kent Ridge 33AKent Ridge → Tiong Bahru Rd	2016	TBC	33BDiscontinued.
	33Bedok ↔ Kent Ridge 33AKent Ridge → Tiong Bahru Rd 33BBedok → Old Airport Rd	2019	11 March	33BIntroduced from Bedok Int to Old Airport Rd (Blk 22) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
		2024	15 September	Serves new bus stop along Alexandra Rd opposite Cycle & Carriage.

Clementi Bus Package			[ V • T • E]
Services	7 • 32 • 33 • 48 • 74 • 91 • 92 • 95 • 99 • 100 • 111 • 147 • 156 • 166 • 174 • 174e • 175 • 191 • 197 • 200 • 201		Operated under Negotiated Contract
	City Direct Services	655 • 667
	Defunct	74e • 92M • 147e • 3N • 5N
Bus Fleet	Bukit Batok Depot (BBDEP)
	Single Decker	Mercedes-Benz O530 Citaro (Batch 1 • Batch 2 • Batch 3) • Scania K230UB (Euro IV, Batch 1 • Euro IV, Batch 2 • Euro V, Batch 1 • Euro V, Batch 2)
	Double Decker	MAN ND323F (Euro V, Batch 3 • Euro VI, Batch 1 • Euro VI, Batch 2) • Volvo B9TL (WEG2, Batch 1 • WEG2, Batch 2 • WEG2, Batch 3 • WEG2, Batch 4)

Bus Service 33

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