NUS Internal Shuttle Bus D1

NUS Internal Shuttle Bus D1 is an NUS Internal Shuttle Bus route operating within the 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, Information Technology / 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.

NUS Carpark 11 Terminal
↺ University Town (Loop)
NUS Carpark 11 Terminal Research Link
Opp Hon Sui Sen Memorial Library Business Link
Opp NUSS Kent Ridge Drive
COM 2 Computing Drive
Ventus (Opp LT 13) Kent Ridge Drive
16189 Information Technology Kent Ridge Cres
16179 Opp Yusof Ishak Hse Kent Ridge Cres
16161 NUS Museums Kent Ridge Cres
University Town College Link
16171 Yusof Ishak Hse Kent Ridge Cres
16181 Ctrl Lib Kent Ridge Cres
LT 13 Kent Ridge Drive
AS 5 Kent Ridge Drive
COM 2 Computing Drive
BIZ 2 Business Link
Technical Information
Route WAB_logo_20px
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 0715—1000: 7—9 mins
1000—1200: 10—12 mins
1200—1400: 7—9 mins
1400—1700: 10—12 mins
1700—1900: 6—8 mins
1900—2300: 15 mins
0715—1000: 10—12 mins
1000—1200: 12—14 mins
1200—1400: 10—12 mins
1400—1700: 12—14 mins
1700—1900: 10—12 mins
1900—2300: 30 mins
Saturdays 0715—2000: 15 mins
2000—2300: 30 mins
0715—1900: 15 mins
1900—2300: 30 mins
Sundays 0900—2300: 30 mins 0900—2300: 30 mins


  • 2004: Introduced as a term-time supplementary service from NUS Business School and Faculty of Science (Loop)
  • 2006: Renamed to Service D
  • 2010: Extended to serve UTown in both directions, with the forward and reverse directions named D1 and D2 respectively.
  • 2013: Extended to Prince George’s Park, no longer operates as a continuous loop route, D1 and D2 are now different routes


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