History of Hougang Feeder Services

Service 321

Date	Service changes
4 April 1982	Introduced between Hougang St 21 and Lorong Ah Soo (loop).
30 October 1983	Amended to Hougang Int.
13 January 1985	Amended to ply Hougang St 11.
15 June 1995	Amended to ply Upp Serangoon Rd.
15 February 2004	Merged with Service 326 to form Service 113 and withdrawn with the closure of Hougang South Int.

Date	Service changes
25 August 1985	Introduced between Hougang and Hougang Ave 2 (loop).
23 August 1987	Amended to loop at Hougang St 61.
1997	Extended to loop at Hougang St 92.
15 February 2004	Merged with Service 327 to form Service 112 and withdrawn with the closure of Hougang South Int.

Date	Service changes
30 October 1983	Introduced between Hougang and Hougang Ave 5/7 (loop).
10 April 1988	Merged with Service 329 and amended to loop at Defu Ave 1.
29 March 1992	Amended to ply Hougang St 21 and Tampines Rd under TransitLink Integration Exercise.
24 February 2002	Withdrawn.

Date	Service changes
14 September 2014	Introduced between Hougang Ctrl and Upp Serangoon Cres (loop) under the LTA's Bus Service Enhancement Programme (BSEP).

Date	Service changes
8 January 1995	Introduced between Hougang Ctrl and Woodbridge Hospital (loop).
24 May 1998	Amended to Hougang Ctrl Temp Int.
21 November 1999	Extended to loop at Hougang St 91/93.
20 May 2001	Amended back to Hougang Ctrl Int.
26 December 2004	Extended to ply Hougang Ave 10, Hougang Ave 2 and Upp Serangoon Rd.

Date	Service changes
3 January 1993	Introduced between Hougang and Hougang Ave 6 (loop) under TransitLink Integration Exercise.
15 February 2004	Merged with Service 321 to form Service 113 and withdrawn with the closure of Hougang South Int.

Date	Service changes
1988	Introduced between Hougang and Hougang Ave 7 (loop).
15 February 2004	Merged with Service 322 to form Service 112 and withdrawn with the closure of Hougang South Int.

Date	Service changes
23 August 1987	Introduced between Hougang and Hougang Ave 8 (loop).
3 January 1993	Amended to loop at unnamed road in front of Woodbridge Hospital (present-day Buangkok View) via Hougang St 51 under TransitLink Integration Exercise.
11 June 1995	Amended to ply Upp Serangoon Rd.
14 March 1999	Amended to loop at Buangkok Green, skipping Woodbridge Hospital.
15 February 2004	Withdrawn with the closure of Hougang South Int. Deleted sectors were covered by the newly introduced Service 101.

Date	Service changes
10 June 1984	Introduced between Hougang and Defu Ave 1 (loop).
10 April 1988	Merged with Service 323 and withdrawn.