List of announcement systems by National Rail stations – I

Station	Station Managed By	CIS Managed By	System	Years	Voice	Platforms	Details
Ifield	Southern	Southern	Amey	2002 to 2018	Celia Drummond	2
					Phil Sayer	1
			Worldline	2018 to Current	Anne Jermy	1
					Matthew Streeton	2
Ilford
Ilkeston
Ilkley	Northern	Northern	Funkwerk	2008 to 2015	Phil Sayer	Global
			KeTech	2015 to Current	Celia Drummond	Global
Imperial Wharf	London Overground	London Overground	Worldline	2009 to 2014	Anne Jermy	1, 2
			Amey	2014 to 2024	Emma Hignett	1, 2
			Worldline	2024 to Current	Anne Jermy	1, 2
Ince	Northern	Northern	KeTech	2019 to Current	Celia Drummond	Global
Ince And Elton
Ingatestone
Insch
Invergordon
Invergowrie
Inverkeithing
Inverkip	Scotrail	Network Rail	KeTech	2006 to 2010	Alison McKay	1
			Zenitel iVENCS	2010 to Current	Scottish Female	1
Inverness	Scotrail	Scotrail	KeTech	2006 to Current	Alison McKay	Global
Inverness Airport	Scotrail	Scotrail	KeTech	2023 to Current	Alison McKay	1, 2
Invershin
Inverurie
Ipswich
Irlam	Northern	Northern	KeTech	20?? to Current	Celia Drummond	Global
Irvine
Isleworth
Islip	Chiltern Railways	Chiltern Railways	KeTech	2015 to 2021	Celia Drummond	1
					Phil Sayer	2
				2021 to Current	Celia Drummond	1, 2
Iver	Great Western Railway	Great Western Railway	Racal	1998 to 2011	Boofay	1, 2-3, 4
			Worldline	2011 to 2018	Anne Jermy	1, 4
					Rodger	2-3
	Elizabeth Line	Elizabeth Line	Worldline	2018 to Current	Anne Jermy	1, 2-3, 4
Ivybridge