SBS Transit City Direct Bus Service 668 is a Weekday Peak Hour City Direct Service between Ang Mo Kio / Yio Chu Kang and the Central Business District, passing through Ang Mo Kio St 52. It is the eighteenth City Direct route introduced under the Bus Service Enhancement Programme (BSEP).
| Route Overview | ||||||||||||
| Route | [AM]: Ang Mo Kio Avenue 5 (Opp Blk 649) → Marina Boulevard (Marina Bay Financial Ctr) [PM]: Central Boulevard (Marina Bay Stn) → Ang Mo Kio Avenue 5 (Blk 649) |
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| Passes Through | Ang Mo Kio Avenue 6, Ang Mo Kio Street 52, Shenton Way / Anson Rd | |||||||||||
| Route Length | Towards Marina Blvd: 20.7 km | Towards Ang Mo Kio Ave 5: 20.5 km | ||||||||||
| Travelling Time | 64 mins | |||||||||||
| Operator Information | ||||||||||||
| BCM Route Package | Seletar Bus Package | |||||||||||
| Current Operator | SBS Transit Ltd | |||||||||||
| Current Depot |
Seletar Bus Depot (SEDEP) | |||||||||||
| Current Fleet | 12-metre Single Deck Bus – Mercedes-Benz Citaro |
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| Operating Hours | ||||||||||||
| Departure Times from Ang Mo Kio Ave 5 |
Weekdays, except Public Holidays | |||||||||||
| 07:30 – 07:50 | ||||||||||||
| Departure Times from Central Blvd |
Weekdays, except Public Holidays | |||||||||||
| 18:10 – 18:25 | ||||||||||||
| Operating Frequency | ||||||||||||
| From Ang Mo Kio Ave 5 |
6 – 7 mins | |||||||||||
| From Central Blvd |
15 mins | |||||||||||
| Fare Information |
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| Fare | Charges express distance fares |
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City Direct Service 668 provides residents of Yio Chu Kang and Ang Mo Kio with greater connectivity to the CBD. The service provides a travel alternative for commuters who relied on the rail network and feeder buses to and from work. The route incorporates an express sector between Ang Mo Kio and the CBD via CTE, Outram Rd and Cantonment Rd.
This is the eighteenth City Direct service to be introduced under the Bus Service Enhancement Programme (BSEP), which provides more options for commuters using stretches of the existing rail lines that experience persistently high ridership, while the ongoing rail enhancement measures are being implemented.
Bus Service 668 was the last City Direct bus service to be handed over from Private Bus Operators to Public Transport Operators. The last evening trip on 11 December 2020 was performed by PC4308G.
MRT Stations Served
- TE5 Lentor
- NS15 Yio Chu Kang
- EW15 Tanjong Pagar
- NS27CE2 Marina Bay
- DT17 Downtown
Departure Timings
Weekdays (except Public Holidays)
- Morning Peak from Ang Mo Kio Avenue 5 (Opp Blk 649):
07:30, 07:36, 07:43 & 07:50 - Evening Peak from Central Boulevard (Marina Bay Stn):
18:10 & 18:25
Gallery (SBS Transit):
Gallery (BT & Tan):
Poster Gallery
Operator History
- 15 Mar 2016 – 11 Dec 2020: BT & Tan Transport Pte Ltd
- 14 Dec 2020 – Present: SBS Transit Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2023 under the Seletar Bus Package.
Route History
- 2016 (15 Mar): Introduced between Ang Mo Kio Ave 5 (Opp Blk 649) and Marina Blvd (Marina Bay Financial Ctr) during morning peak hours and between Central Blvd (Marina Bay Stn) and Ang Mo Kio Ave 5 (Blk 649) during evening peak hours as a peak hour one-directional service on weekdays under the BSEP. Operated under Contract PT233B.
- 2020 (08 Apr – 01 Jun): Temporarily suspended due to Singapore COVID-19 Circuit Breaker Measures.
- 2020 (14 Dec): Operations transferred to SBS Transit Ltd under the Seletar Bus Package
Changes in Departure Times:
| Effective Date | Morning Peak Timings | Evening Peak Timings |
| 15 Mar 2016 | 07:30, 07:40 & 07:50 | 18:10 & 18:25 |
| 25 Jun 2018 | 07:30, 07:36, 07:43 & 07:50 | 18:10 & 18:25 |
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Will they use BYD K9s?
I hope lta will give this service to SMRT Buses soon.
Unfortunately 668 went to SBS Transit liao
Which means I can grab service guides
Idk I just call the office just now and they say svc 668 guide cannot be printed due to the covid situation. But I think if u go YCK bus interchange and ask if got svc 668 guide then you can get it
really? SgWiki don’t have one