Freedom of information (FOI) releases from National Highways

This is a disclosure log of National Highways' responses to freedom of information (FOI) or environmental information regulations (EIR) requests that might be of wider public interest.

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262 disclosures

  1. Variation to M25 DBFO Contract (Notice 2023/S 000-033920)

    Please provide the following records relating to the variation of the “M25 Design Build Finance and Operate (DBFO) Contract”, published in Voluntary Ex-Ante Transparency Notice 2023/S 000-033920 on 16 November 2023 and awarded to Connect Plus (M25) Ltd:

    1. The executed contract-variation agreement (including schedules) that adds routine and cyclical roadside-technology maintenance to the DBFO Contract.

    2. Any internal approval papers, business-case summaries, board or committee minutes that supported the decision to approve this variation.

    3. The evaluation or assessment report (cost–benefit analysis, risk assessment, value-for-money appraisal) produced for the variation.

    4. Updated payment schedules or financial-model extracts showing the stated £160 million variation value and indexation assumptions.

    5. Stand-still letters, notices of intention to vary, or other correspondence issued to Connect Plus (M25) Ltd in connection with this variation.

    Published: 18 December 2025

  2. A list of emergency sos box locations

    Can I have a list of SOS boxes and their locations including road names.

    Published: 18 December 2025

  3. A11 trunk road notice 3147625

    Could you please confirm whether the notice, Road Traffic Acts | The Gazette numbered 3147625, published in The Gazette, was formally adopted by Highways England or National Highways or the relevant local authority and became **legally enforceable**.

    Specifically:

    1. Does the authority hold any recorded information confirming adoption or legal enforcement of notice 3147625?

    2. If so, please provide copies of such records including decisions, correspondence, official orders or similar documents.

    Published: 18 December 2025

  4. A428 Black Cat to Caxton Gibbet - Cambridge Road Junction, Eltisley.

    1) Please share the dates of any meetings that were held with Eltisley Parish Council about the reopening of the Cambridge Road junction

    2) Were these meetings minuted? If so please can you share the minutes of the meetings - either in full or in relation only to discussion/decision relating to the reopening of the Cambridge Road junction

    3) What was the basis for the decision to open the road out of the village only (in the direction of the present A428?)

    4) What representations have you received from Eltisley Parish Council in respect of any decision to reopen Cambridge Road Junction?

    5) What modelling was offered or presented to Eltisley Parish Council about expected traffic movements through the village? Please share anything that was offered on this basis, or provide any correspondence relating to it.

    6) During the recent live event Thursday 31 July it was said there had considerable engagement with Eltisley village about the decision to open the junction. What engagement took place beyond any meetings with the Parish Council and what, if any, part of that engagement was documented such that it could be said to have formally informed the decision about the Cambridge Road junction?

    7) Please share any correspondence National Highways had with Eltisley Parish Council confirming the basis for the decision to reopen the Cambridge Road Junction outbound only.

    8) Was National Highways told that there had been any formal consultation with Eltisley Village from the Parish Council? If so what form was this alleged to have taken? And what was the result

    Published: 18 December 2025

  5. A20 Sidcup Bypass (Drainage, Flooding, and Agency Liaison)

    Please provide the following information in relation to the A20 Sidcup Bypass, specifically the stretch between Crittall’s Corner and McDonald’s, for the period from 1 January 2019 to the present:

    1. Whether National Highways has been consulted, informed, or involved in any capacity (technical, advisory, or operational) concerning:

    • Gully performance, drainage failures, or water-shedding issues on or affecting this stretch of road

    • Surface water flooding, aquaplaning risk, or standing water problems reported in this area

    • Any safety, engineering, or flooding-related discussions with Transport for London or the Metropolitan Police

    2. Copies of any correspondence, reports, site reviews, or recommendations produced by or sent to National Highways that refer to:

    • The condition or design of gullies or drainage infrastructure affecting the A20 in this location

    • Engineering assessments or advice on flooding mitigation, especially in response to repeated collisions or weather-related incidents

    3. If National Highways has not been involved in this location, please confirm whether:

    • The A20 in this area lies entirely outside your operational remit

    • You hold any historic drainage-related alerts, mapping data, or water run-off records that overlap or affect this corridor

    Published: 18 December 2025

  6. Highways major schemes - cost estimates vs outturn cost

    Please provide the following commercial information for the completed major highway infrastructure projects listed below:

    1. A14 Cambridge to Huntingdon Improvement

    2. A1 Leeming to Barton Improvement

    3. M4 Smart Motorway (Junctions 3–12)

    4. M6 Toll

    5. M25 Widening (Junctions 16–23 and 27–30)

    6. A19 Testo’s Roundabout

    7. A19 Norton to Wynyard Improvement

    8. A1 Coal House to Metrocentre Widening

    9. M1 Junctions 6a–10 Widening

    10. A2 Bean and Ebbsfleet Junction Improvements

    11. A556 Knutsford to Bowdon Dual Carriageway

    12. M20 Junction 10a Improvement Scheme

    13. M62 Junctions 10–12 Widening

    14. A43 Corby Link Road

    15. A46 Newark to Widmerpool Improvement

    16. A2/A282 Dartford Improvement

    17. A3 Hindhead Tunnel

    18. M74 Completion Project (Scotland, if applicable under remit)

    19. A46 Coventry Junction Improvement

    20. A421 Bedford to M1 Dualling

    For each project, please provide:

    1. The initial approved cost estimate (e.g. Strategic Outline Business Case or Outline Business Case stage)

    2. Any revised estimates (e.g. Full Business Case, contract award)

    3. The final outturn cost (upon project completion)

    4. The dates of each cost estimate and completion

    5. A brief explanation (if available) for any significant variance between early estimates and the final outturn cost (e.g. scope changes, inflation, delays, unforeseen events)

    Published: 18 December 2025

  7. System development date, project plan and brief

    Please can you share the system development date and project plan and the brief that was given to the supplier(s) which developed the system, any specific points included to manage /incorporate issues for dyslexic people etc.

    Published: 18 December 2025

  8. Details of Proposals for Revisions to M1 Junction 28

    Please supply the latest version of proposals, or updated versions thereof, in your possession for M1 J28 as referenced in this BBC News Article:

    https://www.bbc.co.uk/news/uk-england-derbyshire-67661397

    I appreciate that many documents may exist. If it is necessary to limit the response, I am particularly interested in:

    • Overall design documents, plans and the related narrative.

    • Cost benefit analysis and return on investment.

    • Aspects related to allowing for, and improving or supporting, public transport and walking/wheeling and cycling. Within this category I am also especially in any information related to improving or supporting the use of non-motorised modes of travel to cross the motorway.

    • Information showing how the scheme will be addressing the Public Sector Equality Duty from the Equality Act 2010.

    Published: 18 December 2025

  9. Funding for replanting A14 trees

    Could you please be a bit more specific when you state the replanting will be funded from existing project and contingency funds please?

    Which project - the original A14 scheme project, or other project funds?

    And which contingency funds - those attached to the A14 scheme or separate?

    Was any funding, for example, from designated funds?

    Published: 17 December 2025

  10. Dartford crossing traffic enforcement and road charging 2022/2023/2024

    I would be grateful if you could provide the following information for the financial year 2022/2023/2024 for Dartford crossing.

    1. The total number of road charges that were successfully paid by motorists (organised by month).

    2. The total number of instances where the charge was not paid and a PCN was subsequently issued (organised by month).

    3. Of the PCNs issued:

    * How many escalated to a higher charge (e.g. doubled).

    * How many progressed into formal enforcement procedures.

    Published: 17 December 2025