Defined term

“maintain”

Defined in 9 Acts and 161 statutory instruments.

  1. The Alconbury Airfield (Rail Facilities and Connection to East Coast Main Line) Order 2003 SI
  2. Ancient Monuments and Archaeological Areas Act 1979 Act 2 definitions
  3. The Ashton Vale to Temple Meads and Bristol City Centre Rapid Transit Order 2013 SI
  4. The Associated British Ports (Immingham Green Energy Terminal) Order 2025 SI 3 definitions
  5. The Beacon Fen Energy Park Order 2026 SI 8 definitions
  6. The Bitton Railway Order 2002 SI
  7. The Blackpool Tramway (Blackpool North Extension) Order 2017 SI
  8. The Boston Alternative Energy Facility Order 2023 SI 2 definitions
  9. The Boston Barrier Order 2017 SI
  10. The Bridgwater Tidal Barrier Order 2022 SI
  11. The Cambridgeshire Guided Busway Order 2005 SI
  12. The Channel Tunnel Rail Link (Thames Tunnel Approach) Order 2002 SI
  13. The Chester Guided Busway Order 2002 SI
  14. The Chiltern Railways (Bicester to Oxford Improvements) Order 2012 SI
  15. The Cory Decarbonisation Project Order 2025 SI 2 definitions
  16. The Crossrail (Kensal Green) Order 2013 SI
  17. The Crossrail (Paddington Station Bakerloo Line Connection) Order 2014 SI
  18. The Crossrail (Plumstead Sidings) Order 2015 SI
  19. The Croxley Rail Link Order 2013 SI
  20. Dartford-Thurrock Crossing Act 1988 Act
  21. The Daventry International Rail Freight Interchange Alteration Order 2014 SI 3 definitions
  22. The Docklands Light Railway (Capacity Enhancement and 2012 Games Preparation) Order 2007 SI
  23. The Docklands Light Railway (Capacity Enhancement) Order 2005 SI
  24. The Docklands Light Railway (Silvertown and London City Airport Extension) Order 2002 SI
  25. The Docklands Light Railway (Stratford International Extension) Order 2006 SI
  26. The Docklands Light Railway (Woolwich Arsenal Extension) Order 2004 SI
  27. The Dogger Bank South East and West Offshore Wind Farms Order 2026 SI 9 definitions
  28. The Drax Power Station Bioenergy with Carbon Capture and Storage Extension Order 2024 SI 2 definitions
  29. The East Midlands Gateway Rail Freight Interchange and Highway Order 2016 SI 2 definitions
  30. The East Northamptonshire Resource Management Facility Order 2013 SI
  31. The East Northamptonshire Resource Management Facility Order 2023 SI 2 definitions
  32. Education Act 2005 Act
  33. Education and Inspections Act 2006 Act
  34. The Felixstowe Branch Line and Ipswich Yard Improvement Order 2008 SI
  35. The Ferrybridge Multifuel 2 Power Station Order 2015 SI
  36. The Flood Defence (Mimmshall Brook Works) Order 2007 SI
  37. The Flood Defence (Robertsbridge Works) Order 2009 SI
  38. The Gate Burton Energy Park Order 2024 SI 4 definitions
  39. The Great Central Railway (East Leake Branch, etc.) Order 2000 SI
  40. The Greater Manchester (Leigh Busway) Order 2005 SI
  41. The Greater Manchester (Light Rapid Transit System) (Media City Extension) Order 2009 SI
  42. The Greater Manchester (Light Rapid Transit System) (Mumps Surface Crossing) Order 2001 SI
  43. The Greater Manchester (Light Rapid Transit System) (Trafford Depot) Order 2002 SI
  44. The Greater Manchester (Light Rapid Transit System) (Trafford Park) Order 2001 SI
  45. The Heathrow Express Railway Extension Order 2002 SI
  46. The Helios Renewable Energy Project Order 2025 SI 3 definitions
  47. Highways Act 1980 Act 2 definitions
  48. The HyNet Carbon Dioxide Pipeline Order 2024 SI 7 definitions
  49. The Immingham Open Cycle Gas Turbine Order 2020 SI 3 definitions
  50. The Infrastructure Planning (Model Provisions) (England and Wales) Order 2009 SI 2 definitions
  51. The Ipswich Barrier Order 2012 SI
  52. The Kentish Flats Extension Order 2013 SI
  53. The Keuper Underground Gas Storage Facility Order 2017 SI 3 definitions
  54. The Knottingley Power Plant Order 2015 SI
  55. Knowsley Industrial Park (Rail Terminal) Order 1999 SI
  56. The Lake Lothing (Lowestoft) Third Crossing Order 2020 SI 3 definitions
  57. The Leeds Railway Station (Southern Entrance) Order 2013 SI
  58. The Leeds Supertram (Extension) Order 2001 SI
  59. The Leeds Supertram (Land Acquisition and Road Works) Order 2001 SI
  60. The Leicestershire County Council (Ashby de la Zouch Canal Extension) Order 2005 SI
  61. The London Cable Car Order 2012 SI
  62. The London Gateway Logistics and Commercial Centre Order 2007 SI
  63. The London Luton Airport Passenger Transit System Order 2021 SI
  64. The London Overground (Barking Riverside Extension) Order 2017 SI
  65. The London Underground (Bank Station Capacity Upgrade) Order 2015 SI
  66. The London Underground (East London Line Extension) (No. 2) Order 2001 SI
  67. The London Underground (Northern Line Extension) Order 2014 SI
  68. The London Underground (Victoria Station Upgrade) Order 2009 SI
  69. The Luton Dunstable Translink Order 2006 SI
  70. The Lynn and Inner Dowsing Offshore Wind Farms (Amendment) Order 2011 SI
  71. The Margate Pier (Turner Centre) Order 2005 SI
  72. The Medworth Energy from Waste Combined Heat and Power Facility Order 2024 SI
  73. The Merseytram (Liverpool City Centre to Kirkby) Order 2005 SI
  74. The Mid-Suffolk Light Railway Order 2025 SI
  75. The Midland Metro (Birmingham City Centre Extension, etc.) (Edgbaston Extension Land Acquisition) Order 2019 SI
  76. The Midland Metro (Birmingham City Centre Extension, etc.) (Land Acquisition and Variation) Order 2016 SI
  77. The Midland Metro (Birmingham City Centre Extension, etc.) Order 2005 SI
  78. The Midland Metro (Birmingham Eastside Extension) Order 2020 SI
  79. The Midland Metro (Wednesbury to Brierley Hill and Miscellaneous Amendments) Order 2005 SI
  80. The Midland Metro (Wednesbury to Brierley Hill Land Acquisition) Order 2020 SI
  81. The Midland Metro (Wolverhampton City Centre Extension) Order 2016 SI
  82. The Morecambe Offshore Windfarm Generation Assets Order 2025 SI 4 definitions
  83. The Morgan Offshore Wind Project Generation Assets Order 2025 SI 6 definitions
  84. The National Grid (Bramford to Twinstead Reinforcement) Order 2024 SI 2 definitions
  85. The National Grid (Hinkley Point C Connection Project) Order 2016 SI 2 definitions
  86. The National Grid (King’s Lynn B Power Station Connection) Order 2013 SI 2 definitions
  87. The National Grid (North London Reinforcement Project) Order 2014 SI 2 definitions
  88. The Nene Valley Railway (Fletton Branch) Order 2012 SI
  89. The Net Zero Teesside Order 2024 SI 6 definitions
  90. The Network Rail (Blackthorn and Piddington) (Land Acquisition) Order 2015 SI
  91. The Network Rail (Buxton Sidings Extension) Order 2017 SI
  92. The Network Rail (Cambridge South Infrastructure Enhancements) Order 2022 SI 2 definitions
  93. The Network Rail (Cambridgeshire Level Crossing Reduction) Order 2020 SI
  94. The Network Rail (Chart Leacon) Order 2021 SI 2 definitions
  95. The Network Rail (Church Fenton Level Crossing Reduction) Order 2024 SI
  96. The Network Rail (Closure of Abbots Ripton Level Crossing) Order 2017 SI
  97. The Network Rail (East West Rail) (Bicester to Bedford Improvements) Order 2020 SI
  98. The Network Rail (Essex and Others Level Crossing Reduction) Order 2022 SI
  99. The Network Rail (Felixstowe Branch Line Improvements – Level Crossings Closure) Order 2018 SI
  100. The Network Rail (Hitchin (Cambridge Junction)) Order 2011 SI
  101. The Network Rail (Hope Valley Capacity) Order 2018 SI
  102. The Network Rail (Huddersfield to Westtown (Dewsbury) Improvements) Order 2022 SI
  103. The Network Rail (Huyton) Order 2014 SI
  104. The Network Rail (Ipswich Chord) Order 2012 SI 2 definitions
  105. The Network Rail (Kings Mill No. 1 Level Crossing) (Land Acquisition and Closure) Order 2018 SI
  106. The Network Rail (Leeds to Micklefield Enhancements) Order 2024 SI
  107. The Network Rail (London to Corby) (Land Acquisition) Order 2020 SI
  108. The Network Rail (North Doncaster Chord) Order 2012 SI 2 definitions
  109. The Network Rail (Northumberland Park Level Crossing and Coppermill Lane Level Crossing Closure) Order 2017 SI
  110. The Network Rail (Norton Bridge Area Improvements) Order 2014 SI 2 definitions
  111. The Network Rail (Nuneaton North Chord) Order 2010 SI
  112. The Network Rail (Ordsall Chord) Order 2015 SI
  113. The Network Rail (Oxford Station Phase 2 Improvements (Land Only)) (No. 2) Order 2022 SI 2 definitions
  114. The Network Rail (Oxford Station Phase 2 Improvements (Land Only)) Order 2022 SI 2 definitions
  115. The Network Rail (Reading) (Land Acquisition) Order 2009 SI
  116. The Network Rail (Redditch Branch Enhancement) Order 2013 SI 2 definitions
  117. The Network Rail (Suffolk Level Crossing Reduction) Order 2020 SI
  118. The Network Rail (Teddington Station Access for All) Order 2021 SI
  119. The Network Rail (Thameslink 2000) Order 2006 SI
  120. The Network Rail (Tinsley Chord) Order 2015 SI
  121. The Network Rail (Werrington Grade Separation) Order 2018 SI
  122. The Network Rail (West Coast Main Line) Order 2003 SI
  123. The Network Rail (West Coast Main Line) Order 2004 SI
  124. The Network Rail (West Coast Main Line) (Stowe Hill) Order 2006 SI
  125. The North Blyth Biomass Power Station Order 2013 SI
  126. The North Lincolnshire Green Energy Park Order 2025 SI
  127. The North Wales Wind Farms Connection Order 2016 SI
  128. The Northampton Gateway Rail Freight Interchange Order 2019 SI 5 definitions
  129. The Northumberland Line Order 2022 SI
  130. The Nottingham Express Transit System Order 2009 SI
  131. The Ouseburn Barrage Order 2007 SI
  132. The Piccadilly Line (Heathrow T5 Extension) Order 2002 SI
  133. Police (Northern Ireland) Act 2000 Act
  134. The Port of Blyth (Battleship Wharf Railway) Order 2006 SI
  135. The Portishead Branch Line (MetroWest Phase 1) Order 2022 SI 3 definitions
  136. The Preesall Underground Gas Storage Facility Order 2015 SI
  137. The Preston Dock Railway Order 2004 SI
  138. The Progress Power (Gas Fired Power Station) Order 2015 SI
  139. Public Order Act 2023 Act
  140. The Railtrack (Shortlands Junction) Order 2001 SI
  141. The Reinforcement to the North Shropshire Electricity Distribution Network Order 2020 SI 2 definitions
  142. The River Humber Gas Pipeline Replacement Order 2016 SI
  143. The River Humber (The Deep Tidal Stream Generator) Order 2011 SI
  144. The River Humber (Upper Burcom Tidal Stream Generator) Order 2008 SI
  145. The River Mersey (Mersey Gateway Bridge) Order 2011 SI
  146. The River Tyne (Tunnels) Order 2005 SI
  147. The Riverside Energy Park Order 2020 SI 3 definitions
  148. The Rixton and Warburton Bridge Order 2024 SI
  149. The Rookery South (Resource Recovery Facility) Order 2011 SI
  150. The Rother Valley Railway (Bodiam to Robertsbridge Junction) Order 2023 SI
  151. School Standards and Framework Act 1998 Act 2 definitions
  152. The Silvertown Tunnel Order 2018 SI 3 definitions
  153. The Slough Multifuel Extension Order 2023 SI 2 definitions
  154. The South Devon Railway Order 2009 SI
  155. The South Hampshire Rapid Transit Order 2001 SI
  156. The South Humber Bank Energy Centre Order 2021 SI 2 definitions
  157. The Steeple Renewables Project Order 2026 SI 4 definitions
  158. The Tees Combined Cycle Power Plant Order 2019 SI
  159. The Telford Railfreight Terminal (Donnington) Order 2005 SI
  160. The Thames Water Utilities Limited (Thames Tideway Tunnel) Order 2014 SI 2 definitions
  161. The Thorpe Marsh Gas Pipeline Order 2016 SI 3 definitions
  162. Transport and Works Act 1992 Act
  163. The Transport for Greater Manchester (Light Rapid Transit System) (Oldham, Manchester Street Modification) Order 2012 SI
  164. The Transport for Greater Manchester (Light Rapid Transit System) (Oldham, Mumps Modification) Order 2012 SI
  165. The Transport for Greater Manchester (Light Rapid Transit System) (Second City Crossing) Order 2013 SI
  166. The Transport for Greater Manchester (Light Rapid Transit System) (Trafford Park Extension) Order 2016 SI
  167. The Triton Knoll Electrical System Order 2016 SI 3 definitions
  168. The Viking CCS Carbon Dioxide Pipeline Order 2025 SI 5 definitions
  169. The White Moss Landfill Order 2015 SI
  170. The Willington C Gas Pipeline Order 2014 SI 2 definitions

Definitions are taken from the instruments as published on zoomLaw, for guidance only. Check the instrument itself for its scope and any amendments.