Impact assessment

SEI reports for new significant environmental effects on HS2

HS2 Ltd is required by the General Principles of the High Speed Rail (London – West Midlands) Environmental Minimum Requirements to report any new significant environmental effects that exceed those which were reported in the Phase 1 Environmental Statement (as amended).

• From: High Speed Two (HS2) Limited
• Published: 8 December 2023
• Last updated: 26 August 2026
  Show all updates

  1. 26 August 2026

     Added Community Forum Area 5 - Mandeville Road Vent Shaft S2

  2. 24 April 2026

     Added Temporary Closure of Featherbed Lane.

  3. 3 March 2026

     Added Temporary Closure of Crackley Lane, Temporary Closure of Cromwell Lane, and Temporary closure of Waste Lane.

  4. 6 February 2026

     Added Temporary closure of Boddington (Claydon) Road and Greenford Road Gas Main Protection Works.

  5. 31 October 2025

     Added Temporary closure of Radstone Road

  6. 18 June 2025

     Published Supplementary environmental information report Temporary closure of Edgcott Road

  7. 11 June 2025

     Add Supplementary Environmental Information Report - Temporary closure of Leather Lane

  8. 9 May 2025

     Added: Temporary Closure of Public Rights of Way in CFA 10 Temporary Closure of Public Rights of Way in CFA 11 Temporary Closure of Public Rights of Way in CFA 12 Temporary Closure of Public Rights of Way in CFA 13 Temporary Closure of Public Rights of Way in CFA 14 Temporary Closure of Public Rights of Way in CFA 15 Temporary Closure of Public Rights of Way in CFA 16

  9. 7 April 2025

     Updated Banbury Road, Stoneton Lane and Wormleighton Road.

  10. 4 March 2025

      Added Temporary closure of Banbury Road, Greatworth

  11. 24 January 2025

      Added Temporary closure of Rocky Lane and Temporary phased closures of Station Road, Quainton.

  12. 17 January 2025

      Added Footpath SBH27 and Bridleway SBH19.

  13. 26 November 2024

      Banbury Road, Stoneton Lane and Wormleighton Road - file attachment created

  14. 3 October 2024

      Princes Risborough to Aylesbury (PRA) Rail Line Underpass Footpaths - file attachment updated

  15. 28 August 2024

      The following SEI reports were added: Temporary closure of Dalehouse Lane Canterbury Works Ventilation Shaft S1

  16. 16 August 2024

      The following SEI reports have been added: Princes Risborough to Aylesbury (PRA) Rail Line Princes Risborough to Aylesbury (PRA) Rail Line Underpass Footpaths Banbury Road, Stoneton Lane and Wormleighton Road

  17. 8 December 2023

      First published.

Documents

Temporary closure of A38 northbound and southbound slip roads at Streethay

PDF, 1.74 MB, 97 pages

This file may not be suitable for users of assistive technology.

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Princes Risborough to Aylesbury (PRA) Rail Line

PDF, 1.1 MB, 30 pages

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Princes Risborough to Aylesbury (PRA) Rail Line Underpass Footpaths

PDF, 770 KB, 16 pages

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Temporary closure of Dalehouse Lane

PDF, 5.42 MB, 94 pages

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Canterbury Works Ventilation Shaft S1

PDF, 482 KB, 28 pages

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Banbury Road, Stoneton Lane and Wormleighton Road

PDF, 946 KB, 24 pages

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Footpath SBH27 and Bridleway SBH19

PDF, 758 KB, 19 pages

Temporary closure of Rocky Lane

PDF, 600 KB, 18 pages

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Temporary phased closures of Station Road, Quainton

PDF, 765 KB, 25 pages

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Temporary closure of Banbury Road, Greatworth

PDF, 765 KB, 21 pages

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Temporary Closure of Public Rights of Way in CFA 10

PDF, 536 KB, 20 pages

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Temporary Closure of Public Rights of Way in CFA 11

PDF, 680 KB, 20 pages

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Temporary Closure of Public Rights of Way in CFA 12

PDF, 445 KB, 21 pages

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Temporary Closure of Public Rights of Way in CFA 13

PDF, 402 KB, 20 pages

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Temporary Closure of Public Rights of Way in CFA 14

PDF, 740 KB, 22 pages

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Temporary Closure of Public Rights of Way in CFA 15

PDF, 768 KB, 23 pages

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Temporary Closure of Public Rights of Way in CFA 16

PDF, 673 KB, 21 pages

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Supplementary Environmental Information Report - Temporary closure of Leather Lane

PDF, 1.21 MB, 23 pages

Supplementary environmental information report - Temporary closure of Edgcott Road

PDF, 697 KB, 17 pages

Temporary Closure of Aston Church Road

PDF, 3.28 MB, 63 pages

Temporary closure of Radstone Road

PDF, 723 KB, 18 pages

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Temporary closure of Boddington (Claydon) Road

PDF, 669 KB, 15 pages

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Greenford Road Gas Main Protection Works

PDF, 526 KB, 22 pages

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Temporary Closure of Crackley Lane

PDF, 818 KB, 16 pages

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Temporary Closure of Cromwell Lane

PDF, 1.14 MB, 16 pages

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Temporary closure of Waste Lane

PDF, 922 KB, 17 pages

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Temporary Closure of Featherbed Lane

PDF, 739 KB, 15 pages

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Community Forum Area 5 - Mandeville Road Vent Shaft S2

PDF, 788 KB, 37 pages

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Details

HS2 Ltd is required by the General Principles of the High Speed Rail (London – West Midlands) Environmental Minimum Requirements to report any new significant environmental effects that exceed those which were reported in the Phase 1 Environmental Statement (as amended).

If through the design and/or construction process, there are predicted to be new residual significant environmental effects that HS2 Ltd is unable to minimise or reduce through taking all reasonable steps then they must be reported. This reporting is done through Supplementary Environmental Information (SEI).