Bus Service 138

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Service 138
SG4013A 138.jpeg
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 connects Ang Mo Kio Town Centre with the Mandai region, serving Bird Paradise, Singapore Zoo, River Wonders and Night Safari along Mandai Lake Road, as well as Mandai Crematorium & Columbarium and Upper Seletar Reservoir Park along Mandai Road. It also supplements bus connections for residents around Mandai, Springleaf and Ang Mo Kio Ave 5 to Ang Mo Kio Town Centre.

Service Information

Bus Duty & Fleet

Service 138/138A/138B/138C
Depot Fleet Size Fleet
138 138A 138B 138C
Seletar Depot (SEDEP) 11 4 2 TBC 11 Single Deckers

SMB3104A SMB3105Y SMB3106U SMB3109LB
MAN NL323F

SBS2002H SBS6591Y SBS6592U SG1088DB SG1094K
Mercedes-Benz O530 Citaro

Notes
  • 2 missing buses.
  • SG1146U (Duty 32S) & SG1152B (Duty 29S) (Service 70) will perform crossover trips on Service 138 during Weekdays PM 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

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)
Loop Service 11 - 14 minutes 09 - 15 minutes 09 - 14 minutes 12 - 13 minutes

Special Departures

  • icon48131
    S'pore Zoo
    Mandai Lake Rd
    icon54009
    Ang Mo Kio Int
    Ang Mo Kio Ave 8
    • 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
    • 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
SG1176H on Short-Trip Service 138A
  • icon54009
    Ang Mo Kio Int
    Ang Mo Kio Ave 8
    icon48131
    S'pore Zoo
    Mandai Lake Rd
    • Saturdays: 08:32, 08:46, 09:14, 09:41, 10:09, 10:36, 10:53, 11:05, 11:34, 11:45 & 12:14
    • Sundays: 08:24, 09:17, 09:44, 10:40, 10:54, 11:21, 11:50, 12:02 & 12:29
Special Departures
  • icon56091
    Springleaf Stn Exit 3
    Upp Thomson Rd
    icon48131
    S'pore Zoo
    Mandai Lake Rd
    • Weekdays: 07:09 & 07:55
    • Saturdays: 07:24, 09:26, 09:54, 10:21, 10:49, 11:44 & 12:25
    • Sundays: 09:11, 09:51, 10:32, 11:56 & 12:36
Short-Trip Service 138B
SMB3109L on Short-Trip Service 138B
  • icon54009
    Ang Mo Kio Int
    Ang Mo Kio Ave 8
    icon55121
    Opp Blk 604
    Ang Mo Kio Ave 5
    • Weekdays: 18:18, 18:30, 18:42, 18:54, 19:06, 19:19, 19:31, 19:43 & 19:56
Short-Trip Service 138C
SG1127A on Short-Trip Service 138C
  • icon48131
    S'pore Zoo
    Mandai Lake Rd
    icon56099
    Springleaf Stn Exit 2
    Upp Thomson Rd
    • Saturdays: 14:50, 15:42, 16:44, 17:25, 18:26 & 19:08
    • Sundays: 14:47, 15:36, 16:20, 16:51, 17:45 & 18:52

Loop Service

Collapse

[Show/Hide Full Route Details]

Bus Stops Nearby Attraction 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
138A 138B NS16Ang Mo Kio
AMK Hub
06:00 23:45 06:00 23:45 06:00 23:45
icon55121
Opp Blk 604
Ang Mo Kio Ave 5
138A 138B 06:14 23:58 06:14 23:58 06:14 23:58
icon56091
Springleaf Stn Exit 3
Upp Thomson Rd
138A TE4Springleaf 06:24 00:06 06:24 00:06 06:24 00:06
icon48111
Opp Bird Paradise
Mandai Lake Rd
138A Mandai Bird Paradise 06:35 00:16 06:35 00:16 06:35 00:16
icon48131
S'pore Zoo
Mandai Lake Rd
138A 138C Mandai Zoo
Mandai Night Safari
Mandai River Wonders
06:38 00:18 06:38 00:18 06:38 00:18
icon48119
Bird Paradise
Mandai Lake Rd
138C Mandai Bird Paradise 06:42 00:21 06:42 00:21 06:42 00:21
icon56099
Springleaf Stn Exit 2
Upp Thomson Rd
138C TE4Springleaf 06:56 00:34 06:56 00:33 06:56 00:34
icon55129
Blk 604
Ang Mo Kio Ave 5
06:38 00:42 06:38 00:39 07:05 00:42
icon54009
Ang Mo Kio Int(Alighting)
Ang Mo Kio Ave 8
NS16Ang Mo Kio
AMK Hub
06:50 00:50 06:47 00:51 07:15 00:50

Historical Information

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
2024 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
icon Seletar Bus Package [ VTE ]
SBS Transit
Services 247070M7176130133135138 • 162 • 850E • 851851e852860
City Direct Services 652668
Ang Mo Kio Feeders 261262265268269
Yishun Feeders 800803804805806 • 807 • 811 • 812
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
Tender Awarded