Bus Service 138

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Service 138
Route Information
Route Ang Mo Kio Interchange ↺ Mandai Lake Road (Loop)
Route Length 27.7 km
Travelling Time 80 mins
(1 h 20 mins)
Operator SBS Transit
(Seletar Bus Package)

SBS Transit Bus Service 138 is an inter-town bus service that connects the residential estates of Ang Mo Kio and Nee Soon subzone (Yishun) with the Mandai Wildlife Reserve and Mandai Crematorium & Columbarium. It is one of two public bus services serving Mandai Wildlife Reserve, the other being Service 927, which tourists can transfer to from TE4Springleaf station.

Service Information[edit]

Bus Duty & Fleet[edit]

Service 138/138A/138C
Depot Fleet Size Fleet
138 138A 138C
Seletar Depot (SEDEP) 11 4 1 11 Single Deckers
SMB3104A
SMB3105Y
SMB3106U
SMB3109L
MAN NL323F
SBS2002H
SBS6591Y
SBS6592U
SG1088D
SG1094K
Mercedes-Benz O530 Citaro
Notes
  • 1 missing bus.
  • SG1152B (Duty 29S) (Service 70) will perform crossover trips on Service 138 during Weekdays PM Peak.
  • SG1094K will perform crossover trips on Service 70 during Weekdays AM Peak.
  • SG1170Z (Service 133) will perform 3 crossover downroute trips on Service 138 during Weekdays AM Peak.
  • Weekdays: 5A-6P / 1E / 4S (11 buses)
  • Weekdays Sch Hols: 8A-9P / 4T (13 buses)
  • Saturdays: 6A-7P / 5T (12 buses)
  • Sundays & Public Holidays: 5A-6P / 6T (12 buses)
  • Special Weekdays: 7A-7P / 2E / 1T (10 buses)
  • Special Sundays: 5A-9P / 6T (15 buses)
Service 138 duty allocation
Weekdays
(5A-6P / 1E / 4S)
A/P SBS2002H, SBS6591Y & SMB3104A
P
E SMB3109L
S TBC

Route Information[edit]

Frequency[edit]

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)
Loop Service 10 - 17 minutes 06 - 17 minutes 09 - 12 minutes 09 - 16 minutes

Special Departures[edit]

icon48131
S'pore Zoo
Mandai Lake Rd
icon54009
Ang Mo Kio Int
Ang Mo Kio Ave 8

Departure Time
Saturdays
14:59
15:31
16:04
16:24
16:55
17:05
17:45
18:05
18:15
18:36
18:57
Sundays & Public Holidays
15:07
15:28
15:59
16:09
16:31
16:41
17:22
17:33
17:56
18:05
18:15
icon55129
Blk 604
Ang Mo Kio Ave 5
icon54009
Ang Mo Kio Int
Ang Mo Kio Ave 8

Departure Time
Weekdays
06:38
06:47
(SG1088D/SMB3109L)
06:56
(SG1088D/SMB3109L)
07:11
(SG1088D/SMB3109L)
07:23
(SG1088D/SMB3109L)
07:33
(SG1088D/SMB3109L)
07:47
(SG1088D/SMB3109L)
08:04
(SG1088D/SMB3109L)
08:29
(SG1088D/SMB3109L)
Saturdays
06:38
07:10
07:35

Short-Trip Service 138A[edit]

icon56091
Springleaf Stn Exit 3
Upp Thomson Rd
icon48131
S'pore Zoo
Mandai Lake Rd

Departure Time
Weekdays
07:14 to 07:57
Saturdays
07:24 to 12:40
Sundays & Public Holidays
08:45 to 12:50

Short-Trip Service 138C[edit]

icon48131
S'pore Zoo
Mandai Lake Rd
icon56099
Springleaf Stn Exit 2
Upp Thomson Rd

Departure Time
Saturdays
14:50
15:42
16:44
17:25
18:26
19:08
Sundays & Public Holidays
14:47
15:36
16:20
16:51
17:45
18:52

Loop Service[edit]

[Show/Hide Full Route Details]

Bus Stops Point of Interest Weekdays Saturdays Suns/PH
First bus Last bus First bus Last bus First bus Last bus
icon54009
Ang Mo Kio Int(Berth B1)
Ang Mo Kio Ave 8
NS16Ang Mo Kio
AMK Hub
06:0023:4506:0023:4506:0023:45
icon56091
Springleaf Stn Exit 3
Upp Thomson Rd
138A TE4Springleaf 06:2400:0606:2400:0606:2400:06
icon48111
Opp Bird Paradise
Mandai Lake Rd
138A Mandai Bird Paradise
Mandai Rainforest Wild Asia
06:3500:1606:3500:1606:3500:16
icon48131
S'pore Zoo
Mandai Lake Rd
138A138CMandai Zoo
Mandai Night Safari
Mandai River Wonders
06:3800:1806:3800:1806:3800:18
icon48119
Bird Paradise
Mandai Lake Rd
138CMandai Bird Paradise
Mandai Rainforest Wild Asia
06:4200:2106:4200:2106:4200:21
icon56099
Springleaf Stn Exit 2
Upp Thomson Rd
138CTE4Springleaf 06:5600:3406:5600:3306:5600:34
icon55129
Blk 604
Ang Mo Kio Ave 5
06:3800:4206:3800:3907:0500:42
icon54009
Ang Mo Kio Int(Alighting)
Ang Mo Kio Ave 8
NS16Ang Mo Kio
AMK Hub
06:5000:5006:4700:5107:1500:50

Notes:

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

Historical Information[edit]

Operator Route Year Date Service changes
SBS Transit
(Current)
Known as SBS prior to 1 November 2001
Yio Chu Kang ↺ Mandai Lake Rd 1994 26 April Introduced between Yio Chu Kang Ter and Mandai Lake Rd (Loop).
Ang Mo Kio ↺ Mandai Lake Rd 1 October Amended to Ang Mo Kio Int.
1996 TBC Serves new bus stop outside Jubilee along Ang Mo Kio Ave 8.
1997 TBC Serves new bus stop before Mandai Rd along Mandai Lake Rd.
2002 24 March Amended to Ang Mo Kio Temp Int and amended to ply Ang Mo Kio Ave 3 and Ang Mo Kio Ave 6.
Ang Mo Kio ↺ Mandai Lake Rd 2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
138Ang Mo Kio ↺ Mandai Lake Rd
138AAng Mo Kio Int → Ang Mo Kio Ave 5
2009 22 June
138AIntroduced from Ang Mo Kio Int to Ang Mo Kio Ave 5 (Opp Blk 604) during evening peak hours on weekdays.
Ang Mo Kio ↺ Mandai Lake Rd 12 October
138ADiscontinued.
2011 26 September Designated wheelchair-accessible bus service (WAB). WAB
138Ang Mo Kio ↺ Mandai Lake Rd
138AAng Mo Kio → Mandai Lake Rd
2012 1 December
138AIntroduced from Ang Mo Kio Int to Mandai Lake Rd (Singapore Zoo) on Saturdays, Sundays and Public Holidays. Wheelchair-accessible bus service (WAB) at launch. WAB
138Ang Mo Kio ↺ Mandai Lake Rd
138AAng Mo Kio → Mandai Lake Rd
138BAng Mo Kio → Ang Mo Kio Ave 5
2015 19 October
138BIntroduced from Ang Mo Kio Int to Ang Mo Kio Ave 5 (Opp Blk 604) during evening peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch. WAB
2018 14 October Skips a pair of removed bus stops before and after Singapore Zoo along Mandai Lake Rd.
2024 14 October
138AEnhanced to operate from Upp Thomson Rd (Springleaf Stn Exit 3) to Mandai Lake Rd (Singapore Zoo) during weekday morning peak hours.
138Ang Mo Kio ↺ Mandai Lake Rd
138AAng Mo Kio → Mandai Lake Rd
138BAng Mo Kio → Ang Mo Kio Ave 5
138CMandai Lake Rd → Upp Thomson Rd
8 December
138CIntroduced from Mandai Lake Rd (Singapore Zoo) to Upper Thomson Rd (Springleaf Stn Exit 2) on weekends and public holidays, operating from 1445 hrs to 1900 hrs. Wheelchair-accessible bus service (WAB) at launch. WAB
138Ang Mo Kio ↺ Mandai Lake Rd
138AUpp Thomson Rd → Mandai Lake Rd
138CMandai Lake Rd → Upp Thomson Rd
2025 15 March
138AShortened to start from Upp Thomson Rd (Springleaf Stn Exit 3), operating in the mornings and weekend afternoons.
138BDiscontinued.

External Links[edit]

icon Seletar Bus Package [ VTE ]
Services 247070M7176130133135138138M162850E851851e852860 SBS Transit
Tender Awarded
City Direct Services 652668
Ang Mo Kio Feeders 261262265268269
Yishun Feeders 800803804805806807811812
Defunct 162M
Bus Fleet Seletar Depot (SEDEP)
Single Decker BYD K9 • MAN NL323F (Euro V, Batch 2Euro V, Batch 3Euro VI) • Mercedes-Benz O530 Citaro (Batch 1Batch 2Batch 3) • Scania K230UB (Euro V, Batch 2)
Double Decker MAN ND323F (Euro V, Batch 3Euro VI, Batch 1) • Volvo B9TL (WEG2, Batch 1WEG2, Batch 4)
Articulated Buses MAN NG363F