View source for Bus Service 161

{{Travel Advisory|S900=showonly|STrain=showonly|WoodlandsBCM=showonly}}
{{Infobox
 |title=Service 161
 |img=[[File:SG6173H_161.jpg|center|300px]]
 |info=
  {{Infohead|Route Information}}
  {{Infoline|Route|Hougang Central Interchange → Woodlands Interchange}}
  {{Infoline||Woodlands Interchange → Hougang Central Interchange}}
  {{Infoline|Route Length |(Departing from Hougang Central Interchange) 23.6 km}}
  {{Infoline| |(Departing from Woodlands Interchange) 23.5 km}}
  {{Infoline|Travelling Time|70 mins}}
  {{Infoline|Operator|{{SBST}}<br>([[Sengkang–Hougang Bus Package]])}}
}}

'''Bus Service 161''' is a residential inter-town route connecting Hougang and Sengkang with Woodlands. It incorporates a long express sector (~16km) between Punggol Road and Woodlands Avenue 2 along Tampines Expressway and Seletar Expressway, one of the longest unbroken express sectors for any trunk route in Singapore.

==Service Information==
===Bus Duty & Fleet===
{| class='wikitable' style='text-align:center;'
!style='{{CSS/SBST|s=|t=}}'|Depot
!style='{{CSS/SBST|s=|t=}}'|Fleet Size
!colspan=2 style='{{CSS/SBST|s=|t=}}'|Fleet
|-
!rowspan=2 style='{{CSS/SBST|bgop=c0|s=|t=}}'|Hougang Bus Depot (HGDEP)
|rowspan=2|'''27'''<br>''(2 extra single-decker buses)''</br>
!2 Single-decker buses
!27 Double-decker buses
|-
|
'''SG1208A SG1239K'''<br>2 Mercedes-Benz O530 Citaro ''(2 Batch 3)''
|
'''SG5933M SG5936E SG5937C SG5938A SG5939Y SG5940S SG5956Y SG5971C SG6077C SG6087Z SG6088X SG6089T SG6099P SG6102M SG6104H SG6146L SG6173H SG6193A SG6203E SG6226P SG6227L SG6241U SG6247D'''<br>23 MAN ND323F ''(16 Euro VI Batch 1 / 7 Euro VI Batch 2)''<br>
'''SBS3664R SBS3665M SBS3666K SBS3717Y'''<br>4 Volvo B9TL ''(4 WEG2 Batch 3)
|}

===Special Departures===
*{{BS67459}} → {{BS46009}}
** '''Weekdays:''' 05:55, 06:50 & 08:14
*{{BS67401}} → {{BS46009}}
** '''Weekdays:''' 07:05 & 08:18

===Route Information===
====Frequency====
{| class='wikitable' style='text-align:center;'
!style='{{CSS/SBST|s=|t=}}'|Period
!style='{{CSS/SBST|s=|t=}}'|AM Peak<br><small>(First Bus - 05:45)</small>
!style='{{CSS/SBST|s=|t=}}'|AM Off Peak<br><small>(08:31 - 16:59)</small>
!style='{{CSS/SBST|s=|t=}}'|PM Peak<br><small>(17:00 - 19:00)</small>
!style='{{CSS/SBST|s=|t=}}'|PM Off Peak<br><small>(19:01 - Last Bus)</small>
|-
!Hougang Central Interchange → Woodlands Interchange
|'''Weekdays:''' 6 – 9 mins<br>'''Saturdays:''' 10 – 13 mins<br>'''Sundays / Public Holidays:''' 9 – 14 mins
|'''Weekdays:''' 7 – 13 mins<br>'''Saturdays:''' 11 – 15 mins<br>'''Sundays / Public Holidays:''' 11 – 15 mins
|'''Weekdays:''' 8 – 10 mins<br>'''Saturdays:''' 13 – 15 mins<br>'''Sundays / Public Holidays:''' 13 – 15 mins
|'''Weekdays:''' 9 – 14 mins<br>'''Saturdays:''' 11 – 13 mins<br>'''Sundays / Public Holidays:''' 12 – 13 mins
|-
!Woodlands Interchange → Hougang Central Interchange
|'''Weekdays:''' 6 – 11 mins<br>'''Saturdays:''' 11 – 13 mins<br>'''Sundays / Public Holidays:''' 10 – 15 mins
|'''Weekdays:''' 7 – 13 mins<br>'''Saturdays:''' 11 – 14 mins<br>'''Sundays / Public Holidays:''' 10 – 14 mins
|'''Weekdays:''' 5 – 9 mins<br>'''Saturdays:''' 13 – 14 mins<br>'''Sundays / Public Holidays:''' 14 – 15 mins
|'''Weekdays:''' 8 – 13 mins<br>'''Saturdays:''' 11 – 13 mins<br>'''Sundays / Public Holidays:''' 12 – 14 mins
|}

==Historical Information==
{|class='wikitable' style='text-align:center;'
!style='{{CSS/BUS|s=|t=}}'|Operator
!style='{{CSS/BUS|s=|t=}}'|Route
!style='{{CSS/BUS|s=|t=}}'|Year
!style='{{CSS/BUS|s=|t=}}'|Date
!style='{{CSS/BUS|s=|t=}}'|Service changes
|-
|rowspan=11|{{SBST}}<br>'''(Current)'''
|rowspan=11|Hougang Central Interchange → Woodlands Interchange<br>Woodlands Interchange → Hougang Central Interchange</br>
|'''2002'''
|'''2 June'''
|style='text-align:left'|Introduced between Hougang Central Interchange and Woodlands Interchange.
|-
|'''2007'''
|{{Unknown}}
|style='text-align:left'|First bus from Woodlands Reg Int brought forward to 0545 hrs on weekdays.
|-
|'''2007'''
|'''24 June'''
|style='text-align:left'|Serves new pair of bus stops outside and opposite Innova JC along Woodlands Ave 2.
|-
|'''2014'''
|'''23 March'''
|style='text-align:left'|Designated wheelchair-accessible bus service (WAB).
|-
|'''2016'''
|'''12 March'''
|style='text-align:left'|Amended to Woodlands Temp Int.
|-
|'''2021'''
|'''13 June'''
|style='text-align:left'|Amended to Woodlands Integrated Transport Hub.
|-
|'''2021'''
|'''12 December'''
|style='text-align:left'|Temporarily amended to Woodlands Temp Int due to road closure of east entrance to Woodlands Integrated Transport Hub.
|-
|'''2021'''
|'''26 December'''
|style='text-align:left'|Amended back to Woodlands Integrated Transport Hub.
|-
|'''2022'''
|'''28 August'''
|style='text-align:left'|Amended to ply Hougang Ave 4 with the partial closure of Hougang Ctrl to facilitate the construction of Hougang MRT station on the Cross Island MRT Line, serving an additional pair of bus stops outside Blk 513 & Blk 831 along Hougang Ave 10
|-
|'''2022'''
|'''11 December'''
|style='text-align:left'|Temporarily amended to Woodlands Temp Int due to road closure of east exit from Woodlands Integrated Transport Hub
|-
|'''2022'''
|'''25 December'''
|style='text-align:left'|Amended back to Woodlands Integrated Transport Hub.
|}

{{Sengkang–Hougang Bus Package}}