Defined term

“authorised works”

Defined in 6 Acts and 120 statutory instruments.

  1. The Alconbury Airfield (Rail Facilities and Connection to East Coast Main Line) Order 2003 SI
  2. The Ashton Vale to Temple Meads and Bristol City Centre Rapid Transit Order 2013 SI
  3. The Associated British Ports (Immingham Green Energy Terminal) Order 2025 SI 3 definitions
  4. The Beacon Fen Energy Park Order 2026 SI 6 definitions
  5. The Bitton Railway Order 2002 SI
  6. The Blackpool Tramway (Blackpool North Extension) Order 2017 SI
  7. The Boston Barrier Order 2017 SI
  8. The Bridgwater Tidal Barrier Order 2022 SI
  9. The Cambridgeshire Guided Busway Order 2005 SI
  10. Channel Tunnel Rail Link Act 1996 Act 3 definitions
  11. The Channel Tunnel Rail Link (Stratford Station and Subsidiary Works) Order 2001 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
  16. Crossrail Act 2008 Act 3 definitions
  17. The Crossrail (Kensal Green) Order 2013 SI 2 definitions
  18. The Crossrail (Paddington Station Bakerloo Line Connection) Order 2014 SI
  19. The Crossrail (Plumstead Sidings) Order 2015 SI
  20. The Croxley Rail Link Order 2013 SI
  21. Dartford-Thurrock Crossing Act 1988 Act
  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 2 definitions
  28. The Drax Power Station Bioenergy with Carbon Capture and Storage Extension Order 2024 SI
  29. The East Lancashire (Heywood Extension) Light Railway Order 2002 SI
  30. The East Northamptonshire Resource Management Facility Order 2023 SI
  31. The Felixstowe Branch Line and Ipswich Yard Improvement Order 2008 SI
  32. The Felixstowe Branch Line (Land Acquisition) Order 2014 SI
  33. The Flood Defence (Mimmshall Brook Works) Order 2007 SI
  34. The Greater Manchester (Leigh Busway) Order 2005 SI
  35. The Greater Manchester (Light Rapid Transit System) (Land Acquisition) Order 2001 SI
  36. The Greater Manchester (Light Rapid Transit System) (Media City Extension) Order 2009 SI
  37. The Greater Manchester (Light Rapid Transit System) (Mumps Surface Crossing) Order 2001 SI
  38. The Greater Manchester (Light Rapid Transit System) (Trafford Depot) Order 2002 SI
  39. The Greater Manchester (Light Rapid Transit System) (Trafford Park) Order 2001 SI
  40. The Heathrow Express Railway Extension Order 2002 SI
  41. The Helios Renewable Energy Project Order 2025 SI 3 definitions
  42. High Speed Rail (London - West Midlands) Act 2017 Act 2 definitions
  43. High Speed Rail (West Midlands - Crewe) Act 2021 Act 2 definitions
  44. The HyNet Carbon Dioxide Pipeline Order 2024 SI 4 definitions
  45. The Ipswich Barrier Order 2012 SI
  46. The Keuper Underground Gas Storage Facility Order 2017 SI 2 definitions
  47. Knowsley Industrial Park (Rail Terminal) Order 1999 SI
  48. The Leeds Railway Station (Southern Entrance) Order 2013 SI
  49. The Leeds Supertram (Extension) Order 2001 SI 2 definitions
  50. The Leeds Supertram (Land Acquisition and Road Works) Order 2001 SI
  51. The Leicestershire County Council (Ashby de la Zouch Canal Extension) Order 2005 SI
  52. The London Gateway Logistics and Commercial Centre Order 2007 SI
  53. The London Overground (Barking Riverside Extension) Order 2017 SI
  54. The London Underground (Bank Station Capacity Upgrade) Order 2015 SI
  55. The London Underground (East London Line Extension) (No. 2) Order 2001 SI
  56. The London Underground (Northern Line Extension) Order 2014 SI
  57. The London Underground (Victoria Station Upgrade) Order 2009 SI
  58. The Luton Dunstable Translink Order 2006 SI
  59. The Lynn and Inner Dowsing Offshore Wind Farms (Amendment) Order 2011 SI
  60. The Margate Pier (Turner Centre) Order 2005 SI
  61. The Merseytram (Liverpool City Centre to Kirkby) Order 2005 SI
  62. The Midland Metro (Birmingham City Centre Extension, etc.) (Edgbaston Extension Land Acquisition) Order 2019 SI
  63. The Midland Metro (Birmingham City Centre Extension, etc.) (Land Acquisition and Variation) Order 2016 SI
  64. The Midland Metro (Birmingham City Centre Extension, etc.) Order 2005 SI
  65. The Midland Metro (Birmingham Eastside Extension) Order 2020 SI
  66. The Midland Metro (Wednesbury to Brierley Hill and Miscellaneous Amendments) Order 2005 SI
  67. The Midland Metro (Wednesbury to Brierley Hill Land Acquisition) Order 2020 SI
  68. The Midland Metro (Wolverhampton City Centre Extension) Order 2016 SI
  69. The National Grid (Bramford to Twinstead Reinforcement) Order 2024 SI
  70. The Network Rail (Blackthorn and Piddington) (Land Acquisition) Order 2015 SI
  71. The Network Rail (Buxton Sidings Extension) Order 2017 SI
  72. The Network Rail (Cambridge South Infrastructure Enhancements) Order 2022 SI
  73. The Network Rail (Cambridgeshire Level Crossing Reduction) Order 2020 SI
  74. The Network Rail (Chart Leacon) Order 2021 SI 2 definitions
  75. The Network Rail (Church Fenton Level Crossing Reduction) Order 2024 SI
  76. The Network Rail (Closure of Abbots Ripton Level Crossing) Order 2017 SI
  77. The Network Rail (East West Rail) (Bicester to Bedford Improvements) Order 2020 SI
  78. The Network Rail (Essex and Others Level Crossing Reduction) Order 2022 SI
  79. The Network Rail (Felixstowe Branch Line Improvements – Level Crossings Closure) Order 2018 SI
  80. The Network Rail (Hitchin (Cambridge Junction)) Order 2011 SI
  81. The Network Rail (Hope Valley Capacity) Order 2018 SI
  82. The Network Rail (Huddersfield to Westtown (Dewsbury) Improvements) Order 2022 SI
  83. The Network Rail (Huyton) Order 2014 SI
  84. The Network Rail (Leeds to Micklefield Enhancements) Order 2024 SI
  85. The Network Rail (London to Corby) (Land Acquisition) Order 2020 SI
  86. The Network Rail (Nuneaton North Chord) Order 2010 SI
  87. The Network Rail (Ordsall Chord) Order 2015 SI
  88. The Network Rail (Oxford Station Phase 2 Improvements (Land Only)) (No. 2) Order 2022 SI 2 definitions
  89. The Network Rail (Oxford Station Phase 2 Improvements (Land Only)) Order 2022 SI 2 definitions
  90. The Network Rail (Reading) (Land Acquisition) Order 2009 SI
  91. The Network Rail (Seaham Level Crossing) Order 2013 SI
  92. The Network Rail (Streat Green Underbridge) (Temporary Land Acquisition) Order 2017 SI
  93. The Network Rail (Suffolk Level Crossing Reduction) Order 2020 SI
  94. The Network Rail (Teddington Station Access for All) Order 2021 SI
  95. The Network Rail (Thameslink 2000) Order 2006 SI
  96. The Network Rail (Thameslink) (Land Acquisition) Order 2008 SI
  97. The Network Rail (Tinsley Chord) Order 2015 SI
  98. The Network Rail (Werrington Grade Separation) Order 2018 SI
  99. The Network Rail (West Coast Main Line) Order 2003 SI
  100. The Network Rail (West Coast Main Line) Order 2004 SI
  101. The North Lincolnshire Green Energy Park Order 2025 SI 2 definitions
  102. The Northampton Gateway Rail Freight Interchange Order 2019 SI
  103. The Nottingham Express Transit System Order 2009 SI
  104. The Ouseburn Barrage Order 2007 SI
  105. The Piccadilly Line (Heathrow T5 Extension) Order 2002 SI
  106. Planning Act 2008 Act
  107. The Port of Blyth (Battleship Wharf Railway) Order 2006 SI
  108. The Portishead Branch Line (MetroWest Phase 1) Order 2022 SI
  109. The Railtrack (Shortlands Junction) Order 2001 SI
  110. The River Humber (The Deep Tidal Stream Generator) Order 2011 SI
  111. The River Humber (Upper Burcom Tidal Stream Generator) Order 2008 SI
  112. The River Mersey (Mersey Gateway Bridge) Order 2011 SI
  113. The River Tyne (Tunnels) Order 2005 SI
  114. The Riverside Energy Park Order 2020 SI
  115. The Rother Valley Railway (Bodiam to Robertsbridge Junction) Order 2023 SI
  116. The Silvertown Tunnel Order 2018 SI
  117. The South Devon Railway Order 2009 SI
  118. The South Hampshire Rapid Transit Order 2001 SI
  119. The South Humber Bank Energy Centre Order 2021 SI
  120. The Steeple Renewables Project Order 2026 SI 2 definitions
  121. The Telford Railfreight Terminal (Donnington) Order 2005 SI
  122. The Transport for Greater Manchester (Light Rapid Transit System) (Oldham, Manchester Street Modification) Order 2012 SI
  123. The Transport for Greater Manchester (Light Rapid Transit System) (Oldham, Mumps Modification) Order 2012 SI
  124. The Transport for Greater Manchester (Light Rapid Transit System) (Second City Crossing) Order 2013 SI
  125. The Transport for Greater Manchester (Light Rapid Transit System) (Trafford Park Extension) Order 2016 SI
  126. The Viking CCS Carbon Dioxide Pipeline Order 2025 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.