SMRT Bus Service 181 is a trunk route connecting Boon Lay and Jurong West with Tengah new town via the Bulim precinct of the Jurong Innovation District.
→ Tengah Int
→ Boon Lay Int
| Route Overview | ||||||||||||
Route  |
Boon Lay Bus Interchange ↔ Tengah Bus Interchange | |||||||||||
| Passes Through | Jurong West St 75, Jurong West Ave 5, Bulim Dr, Tengah Blvd | |||||||||||
| Route Length | Towards Tengah: 8.7 km | Towards Boon Lay: 8.4 km | ||||||||||
| Travelling Time | 40 mins | |||||||||||
| Operator Information | ||||||||||||
| BCM Route Package | Jurong West Bus Package | |||||||||||
| Current Operator | SMRT Buses Ltd | |||||||||||
| Current Depot | Soon Lee Bus Depot | |||||||||||
| Current Fleet | Single-deck & Double-deck buses | |||||||||||
| Operating Hours | ||||||||||||
| Departure Times from Boon Lay | Daily | |||||||||||
| 06:00 – 00:40 | ||||||||||||
| Departure Times from Tengah | Daily | |||||||||||
| 06:00 – 00:40 | ||||||||||||
| Operating Frequency | ||||||||||||
| From Boon Lay | 6:30am–8.30am | 8.31am–4.59pm | 5.00pm–7.00pm | After 7.00pm | ||||||||
| Weekdays | 9 – 10 mins | 12 – 16 mins | 9 – 12 mins | 9 – 15 mins | ||||||||
| Saturdays | 13 mins | 13 mins | 14 – 18 mins | 14 – 18 mins | ||||||||
| Sundays / Public Holidays | 14 mins | 14 – 15 mins | 15 mins | 15 mins | ||||||||
| From Tengah | 6:30am–8.30am | 8.31am–4.59pm | 5.00pm–7.00pm | After 7.00pm | ||||||||
| Weekdays | 9 – 12 mins | 12 – 16 mins | 9 – 10 mins | 10 – 15 mins | ||||||||
| Saturdays | 13 mins | 13 – 15 mins | 13 – 18 mins | 15 – 18 mins | ||||||||
| Sundays / Public Holidays | 14 mins | 14 – 15 mins | 15 mins | 15 mins | ||||||||
| Fare Information |
||||||||||||
| Fare | Charges regular distance fares |
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Bus Service 181 is a trunk service that connects Jurong West (Boon Lay) and Tengah. The route serves a residential sector in Jurong West, followed by the industrial area at Bulim and subsequently Tengah new town. There is an express sector between Bulim and Tengah via the Pan-Island Expressway, where Boon Lay bound buses would perform a U-Turn under the Bukit Batok Flyover due to the expressway Left-In-Left-Out exit to Tengah Blvd.
Previously entirely within the Jurong West area (from Boon Lay Int and looping at Jurong West Ave 3 by performing a U-Turn at the end of Jurong West Ave 3), Service 181 was classified as a trunk service since its launch in 2005 rather than a feeder service, possibly catering for a potential extension beyond Jurong West estate. Such an extension would only arrive in 2026, when it was extended to Tengah.
Extension to Tengah:
On 9 February 2026, the Land Transport Authority announced plans to extend Service 181 to Tengah Bus Interchange under the Bus Connectivity Enhancement Programme (BCEP). The route amendment was eventually announced for 14 June 2026.
The route amendment enhances connectivity to Bulim Industrial Estate and inter-town connectivity between Jurong West and Tengah. In addition, Service 181M operates concurrently with Service 181 during morning peak hours, with no change to its route.
With the extension to Tengah, there are future planned bus stops for Service 181. These are:
- 2 pairs of bus stops along Bulim Ave
- 1 pair of bus stop along Jurong West Ave 2
- 1 pair of bus stop along Tengah Blvd
MRT Station Served
- EW27 Boon Lay
Special Departures
- Jurong West Avenue 3 (Opp Blk 276B) → Boon Lay Int
Weekdays: 05:15, 05:25, 05:35, 05:45, 05:55, 06:05, 06:15, 06:30, 06:50, 06:58 & 07:08
Saturdays & Sundays / Public Holidays: 05:30 till first bus from Tengah (before 06:20)
Short Trip Service
- Service 181A: Boon Lay Int → Jurong West Avenue 3 (Blk 276B)
Weekdays: 17:30 – 20:29
Route Variant
- Service 181M: Boon Lay Int ↺ Jurong West Street 23 (Loop)
School Term Weekdays: 06:30 – 08:00
Bus Service 181M plies a modified route of Service 181 from Boon Lay to Jurong West Street 23, serving Corporation Pr Sch.
Gallery:
Poster Gallery:
Operator History:
- 9 Jan 2005 – 31 Aug 2024: SBS Transit Ltd
- 1 Sep 2024 – Present: SMRT Buses Ltd
Route History:
- 2005 (09 Jan): Introduced between Boon Lay Int and Jurong West Ave 3 (Loop)
- 2006 (18 Jun): Amended to Boon Lay Temp Int
- 2008: Last bus extended to 0030 hrs daily
- 2008 (15 Jun): Serves new pair of bus stops outside Blk 670A and outside Blk 678D along Jurong West St 64
- 2009 (27 Dec): Amended to Boon Lay Integrated Transport Hub
- 2010 (18 Oct): Designated wheelchair-accessible bus route (WAB)
- 2013: Last bus extended to 0040 hrs daily
- 2024 (01 Sep): Operations transferred to SMRT Buses under the Jurong West Bus Package
- 2025 (07 Dec): Amended to ply Jurong West St 73 & Jurong West St 72 with the partial closure of Jurong West St 75 to facilitate the construction of Gek Poh MRT station on the Jurong Region Line.
- 2026 (14 Jun): Extended to Tengah and converted to a bi-directional service under the LTA’s Bus Connectivity Enhancement Programme (BCEP).
Back to Bus Services
Back to Buses
Continued on Page 2 – Gallery
- Gallery (SBS Transit)
To those who criticise the extension of Service 181 into Tengah:
The U-turn at the Pan Island Expressway (PIE) is honestly a minor issue when compared with other manoeuvres that bus drivers perform regularly, such as reversing out of an end-on berth. A U-turn simply requires a few full turns of the steering wheel, after which the bus is already travelling in the opposite direction.
The connection between Tengah and Jurong West (Gek Poh) is also likely to be only the first of several bus links between the two towns. In the future, there will almost certainly be additional connections from Tengah to areas such as Jurong West Avenue 1 and Boon Lay, and potentially even Taman Jurong and Nanyang.
Since Tengah already has bus links to Bukit Batok and Jurong East, it is only natural that it should also have direct connections to neighbouring towns such as Jurong West and Choa Chu Kang.
Personally, I believe that Service 181 could be extended even further once Tengah Boulevard is eventually connected to Choa Chu Kang. Even after the current extension, the route length of around 8 km in each direction remains relatively short for a trunk service. In theory, the route could be extended by as much as another 8 km. To put this into perspective, the distance from Tengah Bus Interchange to Choa Chu Kang Bus Interchange is roughly 3 km, while the distance from Boon Lay Bus Interchange to Joo Koon Bus Interchange is about 4 km.
For these reasons, I believe the criticism of the 181 extension into Tengah is unnecessary. There is nothing inherently problematic about the extension. In fact, it is likely that more bus routes linking Jurong West and Tengah will be introduced in the future, and Service 181 itself may still have room for further expansion beyond the current extension.
I am very excited to ride the bus 181 into Tengah, because this would be SMRT’s first bus route in Tengah.
Why did the Poster say it will be on Trial for 6 months but it did not say on the timeline that it will be discontinued then re-introduced after the trial?