Tower Transit City Direct Bus Service 670

Tower Transit City Direct Service 670 is a Weekday Peak Hour City Direct Service between Yishun West and the Central Business District, passing through Yishun Ring Rd. It is the twentieth City Direct route introduced under the Bus Service Enhancement Programme (BSEP).

Route Overview
Route	[AM]: Yishun Avenue 7 (Opp Blk 288) → Marina Boulevard (Marina Bay Financial Ctr) [PM]: Central Boulevard (Marina Bay Stn) → Yishun Avenue 7 (Blk 289)
Passes Through	Yishun Ring Rd, Shenton Way / Anson Rd
Route Length	Towards Marina Blvd: 28.3 km						Towards Yishun Ave 7: 28.7 km
Travelling Time	71 mins
Operator Information
BCM Route Package	Sembawang–Yishun Bus Package
Current Operator	Tower Transit Singapore Pte Ltd (Tower Transit Singapore)
Current Depot	Mandai Bus Depot
Current Fleet	Double-deck buses
Operating Hours
Departure Times from Yishun Ave 7	Weekdays, except Public Holidays
	07:20 – 07:40
Departure Times from Central Blvd	Weekdays, except Public Holidays
	18:10 – 18:25
Operating Frequency
From Yishun Ave 7	20 mins
From Central Blvd	15 mins
Fare Information
Fare	Charges express distance fares

City Direct Service 670 provides residents of Yishun West 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 Yishun and the CBD via SLE, CTE, Outram Rd and Cantonment Rd.

This is the twentieth 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.

MRT Stations Served

• NS14 Khatib
• EW15 Tanjong Pagar
• TE19 Shenton Way
• DT17 Downtown
• NS27CE2TE20 Marina Bay

Departure Timings

Weekdays (except Public Holidays)

• Morning Peak from Yishun Avenue 7 (Opp Blk 288):
  07:20 & 07:40
• Evening Peak from Central Boulevard (Marina Bay Stn):
  18:10 & 18:25

Gallery

Gallery (SMRT Buses)

Gallery (Tong Tar):

Poster Gallery

Operator History

• 29 Mar 2016 – 27 Mar 2020: Tong Tar Transport Service Pte Ltd
• 30 Mar 2020 – 03 Sep 2021: SMRT Buses Ltd
• 05 Sep 2021 – Present: Tower Transit Singapore Pte Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Sembawang–Yishun Bus Package.

Route History

• 2016 (29 Mar): Introduced between Yishun Ave 7 (Opp Blk 288) and Marina Blvd (Marina Bay Financial Ctr) during morning peak hours and between Central Blvd (Marina Bay Stn) and Yishun Ave 7 (Blk 289) during evening peak hours as a peak hour one-directional service on weekdays under the BSEP. Operated under Contract PT233A
• 2020 (30 Mar): Operations transferred to SMRT Buses Ltd under the Sembawang–Yishun Bus Package with double deck buses deployed.
• 2020 (08 Apr – 01 Jun): Temporarily suspended due to Singapore COVID-19 Circuit Breaker Measures.
• 2021 (05 Sep): Operations transferred to Tower Transit under the Sembawang–Yishun Bus Package

Past Routings

Changes in Departure Times:

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