Service 737

>> Links the northwest with Bukit Timah and Queensway corridor
>> Links Bukit Batok West with amenities in Bukit Timah

Trunk 737
Choa Chu Kang - Bukit Batok - Bukit Merah

Operating hours & Frequency:
Mon - Sat: 0530 - 2330
Sun & PH: 0545 - 2330
Peak: 10 - 14 mins, Off-peak: 14 - 17 mins

Towards Bukit Merah Int:
Choa Chu Kang Interchange (NS04/BP01), Choa Chu Kang Avenue 4 (NS04/BP01), Choa Chu Kang Drive, Teck Whye Avenue, Choa Chu Kang Road (BP04), Bukit Batok Road, Bukit Batok West Avenue 5 (NS03), Bukit Batok West Avenue 2, Bukit Batok Central (NS02), Bukit Batok East Avenues 3, 6, Jalan Jurong Kechil, Bukit Timah Link, Jalan Anak Bukit, Dunearn Road, Farrer Road, Queensway, Jalan Bukit Merah, Bukit Merah Central, Bukit Merah Interchange.

Towards Choa Chu Kang Int:
Bukit Merah Interchange, Bukit Merah Central, Jalan Bukit Merah, Queensway, Farrer Road, Bukit Timah Road, Upper Bukit Timah Road, Jalan Jurong Kechil, Bukit Batok East Avenues 6, 3, Bukit Batok Central (NS02), Bukit Batok West Avenue 2, Bukit Batok West Avenue 5 (NS03), Bukit Batok Road, Choa Chu Kang Road (BP04), Teck Whye Avenue, Choa Chu Kang Drive, Choa Chu Kang Interchange (NS04/BP01).

The following train stations are served by service 737:
Bukit Batok NS02
Bukit Gombak NS03
Choa Chu Kang NS04/BP01
Teck Whye BP04