First reported 21 Aug 2014•Latest report 6 Jul 2026
Definition
What this concern includes
Includes dedicated controls for preventing, detecting or mitigating icy and slippery surface hazards, including access to gritting or salting materials and equipment, instructions and procedures for private or managed driveways, and treatment or monitoring of public roads in adverse weather.
Not included
Excludes general winter-weather, road-safety or property-management deficiencies where no icy or slippery surface hazard is identified.
Excludes vehicle, pedestrian or user behaviour failures where the surface condition or its control is not deficient.
Excludes road hazards unrelated to ice or slipperiness, including visibility, speed, junction, vehicle-loading and roadside-obstacle concerns.
Excludes post-incident emergency response or medical treatment after an icy-surface incident.
Excludes generic maintenance or staffing deficiencies unless they directly impair a dedicated control for icy or slippery surfaces.
Reports
9
Distinct published reports
Individual concerns
9
A report can raise multiple concerns
Date range
2014–2026
First to latest report issue date
Stated actions
31
Described in published responses
Reports over time
Reports over time
Reports about this concern issued each year.
* 2026 is projected from reports observed to 7 Sep 2026.
Most frequent recipients
Most frequent recipients
Reports about this concern sent to each recipient.
Cornwall Council2
Department for Transport2
Association of Directors of Environment, Economy, Planning and Transport1
City of Doncaster Council1
Connect Plus (M25) Limited1
Cumbria County Council1
Howarth Properties LTD1
National Highways1
Recipient name withheld1
Road Surface Treatments Association1
South Wales Trunk Road Agent1
Transport for London1
Welsh Government1
English unitary authority2
Ministerial department2
National road infrastructure body2
Type not available2
Devolved government1
English county council1
English metropolitan district council1
Private limited company1
Public transport authority1
Transport sector body1
Concerns and responses across reports
Only concerns grouped under this recurring concern are included. Select any concern, action or position to view the source wording.
Buckinghamshire
Concerns raised1
Failure to ensure effective mitigation of icy driveway conditions
This report raised 2 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.2
Action
Advise tenants through notices and written confirmations to assess driveway conditions and avoid use until icy or dangerous conditions are safe.
Stated by Howarth Property LtdStated completedThe respondent said that this action was complete when they made their response on 21 August 2026.
Action
Install permanent driveway signage warning users to assess conditions and avoid use during icy or dangerous conditions, with routine inspection checks.
Stated by Howarth Property LtdStated plannedThe respondent said that this action was planned when they made their response on 21 August 2026.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Position
Day-to-day assessment of the driveway during winter conditions is assigned to household tenants and visitors.
Stated by Howarth Property LtdRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Hampshire, Portsmouth and Southampton
Concerns raised1
Lack of guidance on signage following application of thin surface treatments
This report raised 2 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.5
Action
Share relevant research, learning, best practice and technical guidance on thin surface treatments and road-user safety with members.
Stated by Association of Directors of Environment, Economy, Planning and TransportStated plannedThe respondent said that this action was planned when they made their response on 17 July 2025.
Action
Review the specifications, codes of practice and application processes for asphalt preservation systems with specialist members.
Stated by Road Surface Treatments AssociationStated completedThe respondent said that this action was complete when they made their response on 17 July 2025.
Action
Meet National Highways to discuss the Coroner’s concerns about asphalt preservation systems in the revised specification documents.
Stated by Road Surface Treatments AssociationStated plannedThe respondent said that this action was planned when they made their response on 17 July 2025.
Action
Review and update the Well Managed Highways Infrastructure Code of Practice to address the report’s recommendations and concerns.
Stated by Department for TransportStated plannedThe respondent said that this action was planned when they made their response on 17 July 2025.
Action
Consider whether signage should identify locations where thin surface treatments have been applied.
Stated by Department for TransportStated plannedThe respondent said that this action was planned when they made their response on 17 July 2025.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.5
Position
Research and road-user safety issues concerning thin surface treatments should be addressed by the Department for Transport and the Road Surface Treatments Association.
Stated by Association of Directors of Environment, Economy, Planning and TransportRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Position
Individual councils’ highways maintenance contractual requirements and specifications, and enforcement activities, fall outside the association’s remit.
Stated by Association of Directors of Environment, Economy, Planning and TransportOutside remitThe respondent said that this matter was outside its role or authority.
Position
Independent testing and accreditation ensure restored skid resistance, so asphalt preservation treatments do not require post-treatment signage.
Stated by Road Surface Treatments AssociationExisting arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
Position
Site-specific surveys and risk assessments address gradients, bends, sight lines and any required mitigation, including warning signage.
Stated by Road Surface Treatments AssociationExisting arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
Position
Local highway authorities are responsible for maintaining their networks and determining maintenance standards based on local knowledge and circumstances.
Stated by Department for TransportRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Surrey
Concerns raised1
Persistent road-surface flat spot and associated aquaplaning hazard
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.18
Action
Commission an independent review of the existing fixed warning sign’s effectiveness and possible visibility improvements.
Stated by National HighwaysStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Install temporary surface-water warning signs at Marker Posts 36/7 and 36/4.
Stated by National HighwaysStated completedThe respondent said that this action was complete when they made their response on 9 January 2023.
Action
Implement a wet-weather monitoring protocol and activate “Surface Water – Slow” variable-message signs when appropriate.
Stated by National HighwaysStated completedThe respondent said that this action was complete when they made their response on 9 January 2023.
Action
Commission an independent review of the drainage system to identify improvements likely to reduce carriageway flooding.
Stated by National HighwaysStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Commission investigations into carriageway reprofiling options, including outline designs and construction feasibility and cost.
Stated by National HighwaysStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Carry out weekly visual inspections of slot drains and catchpit surfaces to identify debris accumulation.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Develop and operate a severe-weather surface-water response procedure covering patrol deployment, incident logging, secondary response and CCTV monitoring.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Develop and issue an inspection guide defining acceptable debris levels for hardstrips, central reserves and slot drains.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Trial catchpit sensors to monitor water levels and flow and inform intervention frequency.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Maintain the newly installed temporary flooding warning signs and inspect them weekly for presence and function.
Stated by Connect Plus (M25) LimitedStated completedThe respondent said that this action was complete when they made their response on 9 January 2023.
Action
Undertake scheduled drainage inspections, cleansing of blocked or silted assets, and sweeping of the hardstrip and central reserve.
Stated by Connect Plus (M25) LimitedStated plannedThe respondent said that this action was planned when they made their response on 9 January 2023.
Action
Carry out vegetation cutting and remove excess vegetation from the adjacent landscape plot to reduce leaf burden.
Stated by Connect Plus (M25) LimitedStated plannedThe respondent said that this action was planned when they made their response on 9 January 2023.
Action
Review drainage maintenance and inspection requirements, assess best practice and determine whether enhanced requirements are justified.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Review and develop contingency plans for proactive management of heavy rain, surface water and associated warnings or restrictions.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Investigate flooding-hotspot anomalies and identify justified potential improvements to the drainage system.
Stated by Connect Plus (M25) LimitedStated plannedThe respondent said that this action was planned when they made their response on 9 January 2023.
Action
Assess carriageway profile and develop sufficiently detailed remediation proposals for cost-benefit analysis where issues are identified.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Review whether alternative carriageway surfacing could provide beneficial risk mitigation.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Action
Undertake a standards-based review of signage requirements, including whether the fixed warning sign should be illuminated.
Stated by Connect Plus (M25) LimitedStated in progressThe respondent said that this action was in progress when they made their response on 9 January 2023.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Position
National Highways retains control of safety-critical technology, including decisions on speed-limit signs and variable message warnings.
Stated by Connect Plus (M25) LimitedRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Cornwall and Isles of Scilly
Concerns raised1
Failure to implement feasible road drainage improvements
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.1
Action
Improve drainage by installing combined kerb drainage, additional surface-water gullies, and increased carrier-drain capacity.
Stated by Corserv Solutions LimitedStated completedThe respondent said that this action was complete when they made their response on 4 January 2023.
Cornwall and Isles of Scilly
Concerns raised1
Converging surface water on the A390 during heavy rainfall
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.3
Action
Erect warning signs on both approaches alerting drivers to possible surface water on the road ahead.
Stated by Cornwall CouncilStated plannedThe respondent said that this action was planned when they made their response on 27 May 2021.
Action
Replace existing Coliza Hill slip-road gully grids with larger-capacity gratings.
Stated by Cornwall CouncilStated plannedThe respondent said that this action was planned when they made their response on 27 May 2021.
Action
Undertake detailed drainage and topographical surveys of the main road alignment.
Stated by Cornwall CouncilStated plannedThe respondent said that this action was planned when they made their response on 27 May 2021.
South Yorkshire (Eastern)
Concerns raised1
Lack of warning signs for slippery road conditions
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.1
Action
Arrange installation of warning signs alerting road users to potentially slippery conditions.
Stated by City of Doncaster CouncilStated in progressThe respondent said that this action was in progress when they made their response on 28 July 2017.
Inner West London
Concerns raised1
Failure to provide CSH road surfaces with increased grip for cyclists
This report raised 2 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Cumbria
Concerns raised1
Failure to maintain the road surface in a safe condition
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Gwent
Concerns raised1
Failure to treat the road surface in accordance with adverse weather treatment guidance
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.1
Action
Undertake pre-salting of the A465 at Llangua at a 20g/sqm spread rate from 1700hrs on 9 February 2014.
Stated by South Wales Trunk Road AgentStated completedThe respondent said that this action was complete when they made their response on 21 August 2014.
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Includes dedicated controls for preventing, detecting or mitigating icy and slippery surface hazards, including access to gritting or salting materials and equipment, instructions and procedures for private or managed driveways, and treatment or monitoring of public roads in adverse weather.
