SMRT Bus Service 188

SMRT Bus Service 188 is a trunk route linking Choa Chu Kang Interchange and HarbourFront Interchange, passing through Choa Chu Kang Way, Bukit Gombak, Bukit Batok, Toh Guan, Clementi Avenue 6, AYE, Clementi Road, Pasir Panjang and Telok Blangah.

Route Overview
Route	Choa Chu Kang Bus Interchange ↔ HarbourFront Bus Interchange
Passes Through	Choa Chu Kang Way, Bukit Batok West Ave 2, Toh Guan Rd, Boon Lay Way, AYE, Clementi Rd, Pasir Panjang Rd, Telok Blangah Rd
Route Length	Towards HarbourFront: 21.9 km						Towards Choa Chu Kang: 22.2 km
Travelling Time	75 mins
Operator Information
BCM Route Package	Choa Chu Kang–Bukit Panjang Bus Package
Current Operator	SMRT Buses Ltd
Current Depot	Kranji Bus Depot (KJDEP) Buses park at: Woodlands Bus Park
Current Fleet	Single Deck Bus: – MAN A22 – Mercedes-Benz OC500LE						Double Deck Bus: – Alexander Dennis Enviro500 – MAN A95 – Volvo B9TL
Operating Hours
Departure Times from Choa Chu Kang	Daily
	05:30 – 23:00
Departure Times from HarbourFront	Weekdays & Saturdays								Sundays / Public Holidays
	06:00 – 23:30								06:30 – 23:30
Operating Frequency
	6:30am–8.30am			8.31am–4.59pm			5.00pm–7.00pm			After 7.00pm
From Choa Chu Kang	5 – 10 mins			7 – 16 mins			7 – 13 mins			13 – 14 mins
From HarbourFront	9 – 14 mins			7 – 16 mins			7 – 8 mins			8 – 14 mins
Fare Information
Fare	Charges regular distance fares

Service 188 is a inter-town route plying between Choa Chu Kang, Bukit Gombak, Bukit Batok, Toh Guan, Pasir Panjang and HarbourFront. The route is frequented between Choa Chu Kang Town Centre and Bukit Batok as a valuable inter-town connections, as well as between Bukit Batok/Toh Guan and Pasir Panjang, linking the many industries located around Pasir Panjang to the housing estates up north.

MRT / LRT Stations Served

• NS4BP1 Choa Chu Kang
• BP2 South View
• BP3 Keat Hong
• CC25 Haw Par Villa
• CC26 Pasir Panjang
• CC27 Labrador Park
• CC28 Telok Blangah
• NE1CC29 HarbourFront

Special Departures:

• Toh Guan Rd (Blk 286A) → Choa Chu Kang Int
  Weekdays: 06:15 – 06:40

Route Variants:

• Express 188e: Choa Chu Kang Int → HarbourFront Int
  Weekdays, except Public Holidays: 07:08 & 07:23

Gallery

Operator History:

• 07 Mar 1999 – 25 Dec 1999: Singapore Bus Services Ltd
• 26 Dec 1999 – 09 May 2004: Trans-Island Bus Services Ltd
• 10 May 2004 – Present: SMRT Buses Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Choa Chu Kang–Bukit Panjang Bus Package.

History:

• 1999 (07 Mar): Introduced between Choa Chu Kang Int and World Trade Ctr Ter
• 1999: Skips abolished pair of bus stops outside and opposite Wishart Rd along Telok Blangah Rd
• 1999 (26 Dec): Operations transferred to Trans-Island Bus Services (TIBS)
• 2002: Skips abolished bus stop opposite ITE Pasir Panjang along Telok Blangah Rd
• 2006: Serves new pair of bus stops outside Blk 336 and opposite Blk 334 along Bt Batok West Ave 7
• 2015 (22 Mar): Designated wheelchair-accessible bus route (WAB)
• 2018 (16 Dec): Amended to relocated Choa Chu Kang Bus Interchange.

Past Routings

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