History of Hougang Feeder Services

Service 321 (1982 - 2004)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang St 21 ↺ Lor Ah Soo	1982	4 April	Introduced between Hougang St 21 Ter and Lor Ah Soo (Loop).
	Hougang South ↺ Lor Ah Soo	1983	30 October	Amended to Hougang Int.
	Hougang South ↺ Upp Paya Lebar Rd	1985	13 January	Amended to ply Hougang St 11 and Upp Paya Lebar Rd.
		1995	11 June	Amended to ply Tampines Rd and Upp Serangoon Rd towards Hougang Sth Int.
		1999	TBC	First bus brought forward to 0515 hrs on weekdays and Saturdays.
		2004	15 February	Integrated with Service 326 to form Service 113 and discontinued with the closure of Hougang Sth Int.

Service 322 (1985 - 2004)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang South ↺ Hougang Ave 2	1985	25 August	Introduced between Hougang Int and Hougang Ave 2 (Loop).
		1987	8 June	First bus brought forward to 0515 hrs daily.
	Hougang South ↺ Hougang St 61		23 August	Extended to loop at Hougang St 61.
	Hougang South ↺ Hougang St 92	1997	30 November	Extended to loop at Hougang St 92, skipping Hougang St 61.
		2004	15 February	Integrated with Service 327 to form Service 112 and discontinued with the closure of Hougang Sth Int.

Service 323 (1983 - 2002)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang South ↺ Hougang Ave 5	1983	30 October	Introduced between Hougang Int and Hougang Ave 5 (Loop).
	Hougang South ↺ Defu Ave 1	1988	10 April	Integrated with Service 329 and extended to loop at Defu Ave 1.
		1992	29 March	Amended to ply Tampines Rd, skipping Upp Serangoon Rd, Hougang Ave 5 and Hougang Ave 7.
		1999	TBC	First bus revised to 0700 hrs daily. Last bus brought forward to 2400 hrs daily.
		2002	24 February	Discontinued.

Service 324 (Current)

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ctrl ↺ Upp Serangoon View	2014	14 September	Introduced between Hougang Ctrl Int and Upp Serangoon View (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 0030 hrs daily.
		2015	30 March	Designated wheelchair-accessible bus service (WAB).
			21 November	Serves new bus stop opposite Blk 475B along Upp Serangoon Cres.

Service 325 (Current)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001.	Hougang Ctrl ↺ Buangkok Green Med Pk	1995	8 January	Introduced between Hougang Ctrl Int and Buangkok Green Med Pk (Loop).
		1998	24 May	Amended to Hougang Ctrl Temp Int.
	Hougang Ctrl ↺ Hougang St 91	1999	21 November	Extended to loop at Hougang St 91.
		2001	20 May	Amended back to Hougang Ctrl Int.
		2003	20 June	Last bus extended to 0030 hrs daily.
		2004	26 December	Extended to ply Upp Serangoon Rd, Hougang Ave 2 and Hougang Ave 10.
		2012	3 December	Designated wheelchair-accessible bus service (WAB).

Service 326 (1993 - 2004)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang South ↺ Hougang Ave 6	1993	3 January	Introduced between Hougang Int and Hougang Ave 6 (Loop) under TransitLink Network Integration Exercise Phase 11.
		2004	15 February	Integrated with Service 321 to form Service 113 and discontinued with the closure of Hougang Sth Int.

Service 327 (1985 - 2004)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang South ↺ Hougang Ave 7	1985	23 June	Introduced between Hougang Int and Hougang Ave 7 (Loop).
		2004	15 February	Integrated with Service 322 to form Service 112 and discontinued with the closure of Hougang Sth Int.

Service 328 (1987 - 2004)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Hougang South ↺ Hougang Ave 8	1987	23 August	Introduced between Hougang Int and Hougang Ave 8 (Loop).
	Hougang South ↺ Buangkok Green Med Pk	1993	3 January	Amended to loop at Buangkok Green Med Pk under TransitLink Network Integration Exercise Phase 11.
		1995	11 June	Amended to ply Upp Serangoon Rd, skipping Tampines Rd and Hougang Ave 3.
	Hougang South ↺ Hougang Ave 4	1999	14 March	Amended to loop at Hougang Ave 4, skipping Buangkok Green Med Pk.
		2004	15 February	Renumbered 101 in conjunction with the closure of Hougang Sth Int.

Service 329

1st Generation (1984 - 1988)

Operator	Route	Year	Date	Service changes
	Hougang South ↺ Defu Ave 1	1984	10 June	Introduced between Hougang Int and Defu Ave 1 (Loop).
		1988	10 April	Integrated with Service 323 and discontinued.

2nd Generation (Current)

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ctrl ↺ Buangkok Cres	2017	9 July	Introduced between Hougang Ctrl Int and Buangkok Cres (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 0030 hrs daily. Wheelchair-accessible bus service (WAB) at launch.
		2018	23 December	Serves new bus stop opposite Blk 984A along Buangkok Lk.
		2022	13 March	Serves new bus stop opposite Blk 991A along Buangkok Cres.