SBS Transit Bus Service 138A

SBS Transit Bus Service 138A is a Short-Trip Service variant of Bus Service 138.

The route operates from Ang Mo Kio Bus Interchange and ends at Mandai Lake Road (S’pore Zoo), operating during the mornings of Weekends & Public Holidays. During morning peak hours, Service 138A operates from Springleaf MRT to Mandai Lake Road.

138A

Ang Mo Kio Int
→ S'Pore Zoo

54009 Ang Mo Kio Int B1 NS16 Ang Mo Kio Ave 8

54247 Blk 322 Ang Mo Kio Ave 3

54031 Opp Al-Muttaqin Mque Ang Mo Kio Ave 6

54041 Opp Courts Ang Mo Kio Ang Mo Kio Ave 6

54051 Bef Ang Mo Kio Ave 5 Ang Mo Kio Ave 6

54469 Opp Blk 649 Ang Mo Kio Ave 5

54459 Blk 151 Ang Mo Kio Ave 5

55111 Blk 180 Ang Mo Kio Ave 5

55121 Opp Blk 604 Ang Mo Kio Ave 5

56209 Bef Thomson Hills Dr Yio Chu Kang Rd

56199 Aft Thomson Hills Dr Yio Chu Kang Rd

56041 Opp Meadows @ Peirce Upp Thomson Rd

56051 Opp Tagore Rd Upp Thomson Rd

56061 Aft Tagore Dr Upp Thomson Rd

56071 Bef Old Upp Thomson Rd Upp Thomson Rd

56081 Bef SLE Upp Thomson Rd

56091 Springleaf Stn Exit 3 TE4 Upp Thomson Rd

57011 Opp Springleaf Nature Pk Upp Thomson Rd

57149 Aft Upp Thomson Rd Mandai Rd

48109 Opp Meng Suan Rd Mandai Rd

48099 Opp SCDF Nee Soon Camp Mandai Rd

48089 Upp Seletar Reservoir Mandai Rd

48079 Opp Mandai Crematorium Mandai Rd

48069 Aft Mandai Ave Mandai Rd

48059 Opp Mandai Agrotech Pk Mandai Rd

48049 Bef Jln Ulu Sembawang Mandai Rd

48039 LP 159 Mandai Rd

48029 Bef Mandai Lake Rd Mandai Rd

48111 Opp Bird Paradise Mandai Lake Rd

48131 S'Pore Zoo Mandai Lake Rd

Route Overview
Route	Ang Mo Kio Bus Interchange → Mandai Lake Road (S’pore Zoo)
Passes Through	Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Upp Thomson Rd, Mandai Rd
Route Length	13.9 km
Travelling Time	40 mins
Operator Information
BCM Route Package	Seletar Bus Package
Current Operator	SBS Transit Ltd
Current Depot	Seletar Bus Depot
Current Fleet	Single-deck buses
Operating Hours
Departure Times from Ang Mo Kio	Weekdays				Saturdays				Sundays / Public Holidays
	No Departures				08:32 – 12:13				08:26 – 12:29
Departure Times from Springleaf MRT	Weekdays				Saturdays				Sundays / Public Holidays
	07:09 & 07:55				08:59 – 12:39				08:47 – 12:52
Fare Information
Fare	Charges regular distance fares

Short Trip Service 138A operates from Ang Mo Kio Bus Interchange and ends at Mandai Lake Road (S’pore Zoo) to supplement the high demand for Service 138 from Ang Mo Kio & Springleaf MRT to the Mandai Wildlife Reserve, which houses attractions such as Bird Paradise, River Wonders, Singapore Zoo and Night Safari.

The service operates the full route from Ang Mo Kio Int to Mandai Lake Road during the mornings of Weekends & Public Holidays. On weekdays (except public holidays), morning special departures of Service 138A are operated from Springleaf MRT Station to Mandai Lake Road.

MRT Stations Served

• NS16 Ang Mo Kio
• TE4 Springleaf

Departure Timings

• From Ang Mo Kio Int:
  Saturdays: 08:32, 08:46, 09:00, 09:14, 09:28, 09:42, 09:56, 10:10, 10:24, 10:38, 10:52, 11:06, 11:20, 11:34, 11:47, 12:00 & 12:13
  Sundays / Public Holidays: 08:26, 08:38, 08:50, 09:17, 09:44, 10:12, 10:40, 10:54, 11:21, 11:35, 11:50, 12:02, 12:15 & 12:29

Special Departures

• Upp Thomson Rd (Springleaf Stn Exit 3) → Mandai Lake Rd (S’pore Zoo)
  Weekdays (except Public Holidays): 07:09 & 07:55

Gallery:

Poster Gallery:

Operator History:

• 2012 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2030 under the Seletar Bus Package.

Route History:

• 2012 (01 Dec): Introduced from Ang Mo Kio Integrated Transport Hub to Mandai Lake Rd (S’pore Zoo) on Saturdays, Sundays and Public Holidays
• 2018 (14 Oct): Skips abolished bus stop before Singapore Zoo along Mandai Lake Rd
• 2024 (14 Oct): Enhanced to operate on Weekdays as well from Upp Thomson Rd (Springleaf Stn Exit 3) to Mandai Lake Rd (S’pore Zoo)

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