NUS Internal Shuttle Bus D1

NUS Internal Shuttle Bus D1 operates within National University of Singapore (Kent Ridge Campus). The route links NUS Business School (BIZ 2) and University Town via School of Computing, Faculty of Arts and Social Sciences, Computer Centre / Central Library and Yusof Ishak House.

The route is closely associated with ISB Service B1 and B2 which supplement this service between Kent Ridge Cres and University Town.

Technical Information
Route	NUS Business School ↺ University Town (Loop)
Passes Through	Kent Ridge Drive, Kent Ridge Crescent, College Link
Operator Information
Current Operator	ComfortDelGro Bus Pte Ltd
Current Fleet	Volvo B9L single deck buses
Departure Times from BIZ 2	0715hrs — 2300hrs (Weekdays and Saturdays) 0915hrs — 2300hrs (Sundays and Public Holidays)
Frequency	School Term	Vacation
Weekdays 0715hrs – 2300hrs	0715 – 1000: 6 – 9 mins 1000 – 1200: 15 mins 1200 – 1400: 6 – 9 mins 1400 – 1700: 15 mins 1700 – 2000: 6 – 9 mins 2000 – 2300: 15 mins	0715 – 1900: 15 mins 1900 – 2300: 30 mins
Saturdays 0715hrs – 2300hrs	0715 – 2000: 15 mins 2000 – 2300: 30 mins	0715 – 1900: 15 mins 1900 – 2300: 30 mins
Sundays 0915hrs – 2300hrs	0915 – 2300: 30 mins	0915 – 2300: 30 mins

History:

• Introduced as route D between NUS Business School and Faculty of Science
• 2010: Extended to serve UTown, split into routes D1 and D2.
• 2013: Extended to Prince George’s Park, no longer operates as a continuous loop route, D1 and D2 are now different routes