Research publications

Automated manufacturing of smart tunnel segments (external link)

Characterization and piezo-resistivity studies on graphite-enabled self-sensing cementitious composites with high stress and strain sensitivity (external link)

Clutter study report

Constructs of leading indicators: A synthesis of safety literature (external link)

Effect of SAPs and polypropylene fibres on the freeze-thaw resistance of low carbon roller compacted concrete pavement (external link)

Embodied intelligence in transportation systems: road network computing (external link)

Enhanced safety in complex socio-technical systems via safety-in-cohesion (external link)

Environmentally optimal tyres and brakes

Graphite-enabled cementitious composites: a smart and resilient solution for future infrastructure (external link)

Integration of circular economy approaches into a major infrastructure project case study

Investigation of the compressive self-sensing response of filler-free metakaolin geopolymer binders and coatings (external link)

Large-scale laboratory trials of self-healing technologies (external link)

Life cycle assessment of microcapsule based self-healing in concrete (external link)

M1 SmogStop® air quality barrier trial final report

Measurement techniques for self-sensing cementitious composites under flexure (external link)

Microplastics and contaminants of concern in the Strategic Road Network

• Appendix A: Quantifying tyre wear particles and other microplastics from the Strategic Road Network
• Appendix B: Initial assessment to identify future contaminants of concern

Navigating mixed traffic: Current state and future challenges in integrating autonomous and human-driven vehicles (external link)

A review on constructing and maintaining geometric digital twins of highways (external link)

Roughness prediction of jointed plain concrete pavement using physics informed neural networks (external link)

Segment-to-track for pavement crack with light-weight neural network on unmanned wheeled robot (external link)

A review of safety risk theories and models and the development of a digital highway construction safety risk model (external link)

CEDR - Intelligent transport systems for safe, green and efficient traffic on the European road network

Geotechnical asset performance: deterioration modelling for decision support

HelmUK final report

Microbially induced carbonate precipitation (MICP) for soil strengthening: A comprehensive review

Deep neural networks for visual bridge inspections and defect visualisation in civil engineering (external link)

Microplastics phase 2 - literature review supplement

Filtering protocol for innovative paving materials, including waste derived materials

Guide to designing for motorcyclists

Photobiological effects from lighting in tunnels

SPaTs statistical pass-by measurements

Tool to assess air quality impacts of elevated roads within the Strategic Road Network

Wrong way driving: mitigation toolkit

Comprehensive review of asphalt recycling with a view to increasing recycled content in the medium-term:

• Subtask 1 – establishing the current situation
• Subtask 3 – technical demonstration of solutions – thin surface recourse recycling

Investigation of 'microplastics' from brake and tyre wear in road runoff

Perceptions of compliance and enforcement on the Strategic Road Network - Focus groups and interviews

Perceptions of safety - final report

Air Quality Trial – one way traffic flow A35 Chideock

Light vehicle motorway nitrogen oxide exhaust emissions - A review of Highways motorway speed banding methodology

UK CITE Communications Infrastructure Evaluation Report

• Air Quality Barrier Computational Fluid Dynamic (CFD) Modelling
• Air Quality Barrier Report – Preliminary Feasibility Study
• Air Quality Feasibility Study – Green Infrastructure – A5036 Port of Liverpool Access Scheme
• Air Quality Pilot Study – Mineral Polymer Barrier – Summary
• Collaborative research project-replacement of rolling straight edge and reduction of rolling tolerances
  • Sub Task 1.1 – Next Generation Asphalts Surfacings – Road Trials (Phase II)
  • Sub Task 1.2 – Inspection Panel Report
  • Sub Task 2 – Evaluation Modification of QA Test Methods
• Driving Change – Applying Behavioural Insights to Improve Air Quality on the UK’s Strategic Road Network – Report 1 of 2
• Driving Change – Applying Behavioural Insights to Improve Air Quality on the UK’s Strategic Road Network – Report 2 of 2
• Eco-driving test results
• Incident Timeline Mapping Phase 1

• A Human Centric approach to capturing project memories for Lean Improvement
• A2 M2 Connected Corridor Infrastructure Feasibility Study Project 1
• A2 M2 Connected Corridor Data and Services Feasibility study Project 3
• Air Quality Geographic Pilot Study – A38 Derby – Executive Summary
• Air Quality Geographic Pilot Study – A38 Derby – Final Report
• Air Quality Geographic Pilot Study – Birmingham M6_M6 Toll
• Air Quality Geographic Pilot Study – M1 Tinsley – Non-Technical Summary
• Air Quality Geographic Pilot Study – M1 Tinsley – Final Report
• Air Quality Geographic Pilot Study – M60 Manchester – Summary
• Air Quality Geographical Pilot Study – Manchester M60 – Final Report
• An intervention framework for safer Driver Behaviour on the SRN
• An Intervention Framework for Safer Driver Behaviour on the SRN
• Application of Remote Survey Data for Geotechnical Asset Condition and peformance
• Application of remote survey data for geotechnical asset condition and performance
• Better understanding of the surface tyre interface
• Building on 2014 Fatality Research undertaken in 2015/16 developing the knowledge bank to include next 3 years data
  • HE Towards Zero – Fatality Research Report
  • Towards Zero – 2014 to 2016 fatal collisions
• Collaborative research into new asphalt surfacing: Road trials
  • Sub-Task 1 Premium Asphalt Surfacing System Road Trial
  • Sub-Task 2.1 Premium Asphalt Surfacing System Road Trial
  • Sub-Task 2.2 RFID Tags installed in Highways Trials
  • Sub-Task 3 – Noise Evaluation
  • Sub-Task 4 – Best Practice and Specification for Joint Construction
  • Sub-Task 5 Best Practice for Recycling Asphalt Pavements
• Data Fusion Reporting
• Delivering Demand and Utilisation
• Develop Intelligence Capabilities – Customer Insight & Social Demographics utilising MAST (Mosaic Public Sector)
  • Commuters involved in collisions on the Strategic Road Network
  • Young drivers involved in collisions on the Strategic Road Network
  • Towing Drivers involved in collisions on the Strategic Road Network
  • Towards Zero Study on fatal collisions on the SRN during 2014
  • Small goods vehicle drivers involved in collisions on the strategic road network
  • Senior drivers involved in collisions on the Strategic Road Network
  • Pedestrians and Pedal Cyclists on the Strategic Road Network
  • Motorcyclists on the Strategic Road Network
  • HGV and bus drivers involved in collisions on the Strategic Road Network
• Dynamic Speed Limits – Air Quality Analysis Summary
• Dynamic Speed Limits – Peer review of Air Quality Analysis
• Electric Van Demonstrator Project – Final Report
• Evaluation of Scheme Forecasting Phase 2
• Experiments investigating the effect of fog and the transition between lit and unlit sections of road
• Expressways customer insight and engagement
• Fatigue and road works – Driving simulator study
• Handover of Geotechnical As-Built Data
• Highways England Electric van demostrator Project
• Innovation in High Speed Friction Measurement – 1st
• Algorithm Improvement – 2nd
• Geometric Research – Corner Radius Horizontal Alignment and Loop Selection
• Geotechnical hazard knowledge
• Geotechnical resilience enhancement measures
• Impairment to peripheral detection when driving
• Implementation of risk-based portfolio planning
• Improved Determination of Pollutants in Highway Runoff Phase 2
• Improved use of information in Geotechics – Pt 2
• Improved use of Information in Geotechnics – Pt 1
• Improving Durability TSCS – Measuring Asphalt Density
• Improving Vulnerable User Design Tools
• Innovative Geotechnical Repair Techniques
  • Innovative Geotechnical Repair Techniques – Comparative LCA
  • Innovative Geotechnical Repair Techniques-Effectiveness of EKG
  • Innovative Geotechnical Repair Techniques-Effectiveness of FRS
  • Innovative Geotechnical Repair Techniques-Effectiveness of Willow Poles
  • Innovative Geotechnical Repair Techniques-Future Trials
• In-service performance of EME2
• Motorway Fuel Price Trial
• Maintenanace Assistance Vehicles- Functional design specification
• National warning letter service
• Paraffinic Fuels Emission Testing – Final Report
• Production and delivery of Guidance on Sustainable Drainage Systems
  • Highways England – Introduction to Drainage and Water Awareness and Training
  • Sustainable Drainage Systems – Innovation Literature Review
• Review of Geotechnical asset data
• Review of Impact of Road Lighting
  • effect of fog on detection of driving
  • Impairment to peripheral detection when driving
  • transition between lit and unlit sections of road and detection of driving hazards after dark
• Review of recent research and operational experience in the use of brine and other liquid de-icers
• Road surface properties and high speed friction-The effect of permeability
• Self-healing asphalt using embedded capsules.pdf Functions
• Spectroscopic Analysis of Roads at Traffic Speed.pdf Functions
• Stationary Vehicle Detection System (SVD) Monitoring
• Strategic road network simulation sprint
• Strengthened Earthworks
• Support goods vehicle incident prevention
  • Support Goods Vehicle Incident Prevention – Diesel Spillages
  • Support Goods Vehicle Incident Prevention – Diesel Spillages (DS2)
  • Support Goods Vehicle Incident Prevention – Drivers’ Hours
  • Support Goods Vehicle Incident Prevention – Tyre Management
  • HGV Incident Prevention Project – Interim Diesel spills report
  • HGV Incident Prevention Project – Interim Drivers’ Hours report
  • HGV Incident Prevention Project – Interim Tyres Report
• Surface treatment options for concrete Roads
• TD 41 & TD 42 Safety Research
• The Determination of VMS Display Requirements for Expressways
• Use of VSS to replace ground signs Stage 2

• Air Quality Dynamic Control and Junction Management Pilot Study Technical Report
• Air Quality State Aid – HGV Incentivisation Scheme
• Assessment Procedure for ‘Innovative’ techniques and materials
• Canopy Research and Development Report
• Circular Economy – Approach and Routemap
• Geotechnical considerations and techniques for widening highway earthworks
• Guide to Road Safety Route Treatments
• Lean Collaborative Research with Academia 2015-16 – Final Reports:
  • Highways England Earthworks Overview Document
  • Increasing Efficiency of Earthmoving and Pavement Processes at Highways England
  • Optimising Handover Overview Document
  • Optimising Handover of As-Built Data from Highways England Major Schemes to Maintenance Service Providers
  • Advancing the Implementation of Lean in Highways Overview Document
  • Advancing the Implementation of Lean within Highways England’s Small and Medium Sized Enterprises
  • Visual Management/Visual Controls Implementation Pilot: 5S in Highways Construction and Maintenance
  • Accelerating BIM adoption in the supply chain
  • Realising Social Value Within the Desgn and Delivery of Highways England Infrastructure Projects
  • Monetising Human Impacts – CLeMM final report
  • Monetising Human Impacts – CLeMM user Guide
  • Continuous Improvement in the Highways Supply Chain Benefits and Challenges
  • From Construction to Production: Enablers, Barriers and Opportunities for the Highways Supply Chain
  • Intelligent Products Overview Document
  • Intelligent Products in Highways England
• Resilience of geotechnical assets on the Strategic Road Network to severe weather events Phase 2 – Final report
• Towards Zero — Study on fatal collisions on the SRN during 2014
• Understanding and Influencing Driver Compliance
• Vehicle Roadworthiness

• Collaborative Lean Research Projects MoU 2014-15 – Final Reports:
  • Snapshot Final Report
  • Lean and SMEs
  • Principles for Appropriate Contracting
  • Visual Controls at Workface of Highway Construction and Maintenance Preliminary Report
  • Earthworks Control Automation
  • Appendix A – Research Funding Source
  • Appendix B – UK Road Transport network
  • Horizon Scanning
• Development of a reference surface for the assessment of pavement skid resistance measurement devices
• Hazardous Material in Infrastructure Construction Project Report
• M25 J5-7 Twelve Month Evaluation Report, Version 2.0 Final
• M25 J23-27 Twelve Month Evaluation Report, Version 2.0 Final
• Performance review of skid measurement devices
• Re-Validation of Speed Flow Curves Final Report Final
• Skid Support 2014:
  • Calculation of Local Equilibrium Correction Factors for the 2014 skid surveys
  • Crash model
  • Skid resistance benchmark sites report 2014 surveys
• Smart Motorways – Call Off Support publications:
  • All lane running GD04assessment report
  • All lane running generic safety report
  • Controlled motorways generic report
• Surface Treatment Options for Concrete Roads – Ultra thin surfacing systems
• Understanding the durability of high friction surfacing

• Climate Change (Carbon Reduction and Connectivity):
  • Carbon Routemap Infographic
  • Highways Agency Carbon Routemap: opportunities for a national low carbon transportation system
• Comparison of SCRIM and SKM sideway-force skid resistance devices
• Highways Agency skid resistance survey policy 2014: a review
• Infrastructure and material criticality – project findings report
• Laboratory studies investigating the use of blended PSV aggregates
• Motorways Programme Productivity Research Report – M25 Outputs
• Pothole Development Scoping Study – Final Report
• Preparing the Strategic Road Network for electric vehicles:
  • Feasibility Study – Powering electric vehicles on England’s major roads
  • Preparing the Strategic Road Network for electric vehicles
• Preventing entry to the Strategic Road Network
• Scoping Study Report for Monitoring of the First Managed Motorways – All Lane Running
• Thin surfacing performance review (2013): Final Report
• Understanding the origins and traceability of key materials used on the strategic road network
• Use of MS4 Variable Signs and Signals to Display Signs for Advance Warning of Road Works

• 515681 Information for Managing Safety on the Highways Agency Network 2009 Issue 1
• All Lanes Running (ALR) Alternative Temporary Traffic Management techniques Simulation studies
• Alternative Legends for Close Following
• Brine Spreading Trials Final Report
• Carbon data analysis and verification findings report
• Collaborative Planning and BIM
  • Challenges and Opportunities in Implementing Lean and BIM on an Infrastructure Project
  • Collaborative Planning & BIM – M4 M5 VisiLean Implementation Report
• Cooperative Vehicle Highway Systems Advice Project Report
• Defining Enforcement Technology for Managed Motorways ALR
  • Approach to Trial of Multi Function Enforcement Equipment
  • Enforcement Technology Road Map
• Detection of changes in pavement texture condition using high resolution 3D surface measurements – Research into pavement surface disintegration
• Development of the Measurement of Injury Risk (MIRi) Index Report
• Economics of climate change adaptation and risks
• Effectiveness of Close Following Deterrents
• Effectiveness of Preservatives on Asphalt Mixtures Project Report
• Extreme Cold Treatments Report
• Future Managed Motorways Concept Development – Simulation Studies
  • Future Managed Motorways Concept Development– Task 1 Design Comparison Final Report
  • Future Managed Motorways Concept Development Task 2 Design Assurance Final Report
  • Future manage Motorways Concept Development Task 3 Synthesis Study Final Report
  • Future Managed Motorways Concept Development Additional Task – ADS Obscuration Final Report
• HA Road Lighting Control System Phase 1 Project Report
• Highways Agency State of the Network Construction Report Waste Data
• Highways Agency Sustainability Leadership Assessment
• Impact of roads on wellbeing
  • Impact of roads on wellbeing – consultation document
  • Impact of roads on wellbeing – Methodology for Health, Stress and Anxiety
  • Impact of roads on wellbeing – Methodology for Consideration of Life Satisfacton
  • Impact of roads on wellbeing – Methodology for Consideration of Safety and Security
• Implementing Lean in construction
  • Lean tools and techniques – an introduction
  • Overview of CIRIA’s guides and a brief introduction to Lean
  • Lean and the Sustainability Agenda
  • A Lean guide for client organisations
  • Lean Benefits Realisation Management
  • Lean Construction and BIM
  • Selecting and Working with a Lean Consultant
• In Vehicle Traffic Management – The Trial – Summary Report
• Managed Motorways – All lane running
  • Interim Advice Note (IAN) 161/13
  • Managed Motorways – All lane running – Hazard elimination schedule
  • Managed Motorways – All lane running – Generic safety report
  • Managed Motorways – Demonstration of meeting safety objective report
  • Managed Motorways – All lane running – Provision of adequate guidance review
  • Managed Motorways – All Lanes Running – All-Purpose Trunk Roads/Dual 3-lane Motorway Analysis and Hazard Assessment
  • Managed Motorways – All Lanes Running – Evaluation of the Provision of Refuge Areas
  • Managed Motorways – All Lanes Running – Maintenance – ERIC Assessment
• Managed Motorways Future Design
  • Interim Advice Notice (IAN) 161/12
  • Managed Motorways – All Lanes Running – Designers Risk Assessment
  • Managed Motorways – All LanesRunning – Generic Safety Report
  • Managed Motorways – All Lanes Running – Demonstration of Meeting Safety Objective Report
• Monitoring of Emergency Refuge Areas (ERAs) Final Report
• Optical Spectroscopy of Binder Condition at Traffic Speed – Final Report
• Optimum Interventions for Thin Surfacing
• Reducing Cost of Road Lighting Implementation Paper
• Reduced Energy Lighting – White Light Sources
  • 10 Month Monitoring Report
  • ISD Lessons Learnt Report
  • ORD Lessons Learnt Report
  • WLC Assessment Version 3.0
• Sign Size Design Review of TTM Signs
• Surface Treatment Options for Concrete Roads
• Traffic Officer Vehicle Conspicuity Final Report
• Treatment Matrix Review Final Report
• Use of high-resolution 3-D surface data to monitor change over time on pavement surfaces
• Water Use in the Supply Chain
  • Water Use in the Supply Chain — Short Summary
  • Water Use in the Supply Chain

• Fate of Highway Contaminants in the Unsaturated Zone - Final Synthesis Report
• 515681 Information for Managing Safety on the Highways Agency Network 2009 Issue 1
• Acoustic durability of timber noise barriers:
  • The acoustic durability of timber noise barriers on England’s strategic road network
  • Annex to - The acoustic durability of timber noise barriers on England’s strategic road network
• A Review of Bat Mitigation in Relation to Highway Severance (Highways Agency 2011)
• A Risk-based framework for geotechnical asset management - phase 2 report
• Asphalt Preservatives Report
• Brine Spreading Trials Final Report
• Conemaster Report
• Control Room Human Factors Review - Guidance Document
• Cooperative Vehicle Highway Systems Implications for the Highways Agency
• Deformation of Thin Surfacing Report
• De-icing materials and corrosion
  • De-icing Materials and Corrosion - Laboratory Testing Report
  • De-Icing Materials and Corrosion Site Trial Report
• Development of the Measurement of Injury Risk (MIRi) Index Report
• DMRB Air Quality Model Verification - A Good Practice Guide
• DMRB Geology Soils Scoping Report FINAL
• European Cost Comparison - Cost differences between English and Dutch Highway Construction (2009) EC Harris and TRL
• Gibson J (2010). Foresighting Project - Global approaches to managed motorways and research activities. Arup
• Grooved Concrete & Skid Resistance
  • Sanders P D, Viner H (2010). Frictional properties of longitudinally diamond ground concrete on the A12 Chelmsford bypass. TRL. Wokingham
  • Sanders P D, Viner H, Chandler J (2010). Surface properties of longitudinally diamond ground concrete — Interim report. TRL. Wokingham
• HA Water Footprinting Report
• Highways Agency State of the Network Construction Report Waste Data
• Improving Stability of Emergency Traffic Management Signs
• Incident Management on Managed Motorways Report
• Inundation on pavements report
• Lean benchmarking of Highways Agency supply chian (2011). Mott McDonald
• Long term trends in emissions and air pollution (2007-2010):
  • The Highways Agency roadside air pollution monitoring network report - 2007
  • The Highways Agency roadside air pollution monitoring network report - 2008 volume I
  • The Highways Agency roadside air pollution monitoring network report - 2008 volume II
  • The Highways Agency roadside air pollution monitoring network report - 2009 volume I
  • The Highways Agency roadside air pollution monitoring network report - 2009 volume II
  • The Highways Agency roadside air pollution monitoring network report - 2010 volume I
  • The Highways Agency roadside air pollution monitoring network report - 2010 volume II
  • M60 hourly 2007 data
  • M60 hourly 2008 data
  • M60 hourly 2009 data
  • M60 hourly 2010 data
  • M4 Theale site 2 2007 data
  • M4 Theale site 2 2008 data
  • M4 Theale site 2 2009 data
  • M4 Theale site 2 2010 data
  • M25 site B hourly 2007 data
  • M25 site B hourly 2008 data
  • M25 site B hourly 2009 data
  • M25 site B hourly 2010 data
  • Bell Common hourly 2007 data
  • Bell Common hourly 2008 data
  • Bell Common hourly 2009 data
• M42 MM Monitoring and Evaluation Three Year Safety Review (2011) Mott MacDonald
• Managed Motorways In-Vehicle Data Requirements:
  • The journey ahead: Delivering Managed Motorway information directly to in-vehicle devices Summary report. (2010). Scott Wilson, Bristol, UK. REF:511502
  • The journey ahead: Delivering Managed Motorway information directly to in-vehicle devices Analysis report. (2010). Scott Wilson, Bristol, UK. REF:511502
• Managed Motorways 2 Concept Development - Simulation Studies:
  • Managed Motorways 2 - Concept Development Tasks 2 3 4 and 5 Key Findings Report
  • Task 1 Managed Motorways 2 Evidence and Documentation Index
• Managed Motorway Ground Investigation Process Improvement Presentation
• Managed Motorways - Additional Simulation Studies:
  • Full Time Through Junction Running with Designated Green Lane Simulation Study
  • Full Time Through Junction Running Simulation Study
• MTTV Final Report
• Optimization of Thin Asphalt Layers Report
• Performance of quieter surfaces over time
• Reduced Energy Lighting - White Light Sources:
  • 10 Month Monitoring Report
  • ORD Lessons Learnt Report
  • ISD Lessons Learnt Report
  • WLC Assessment Version 3.0
• Review of Traffic Officer Service Crewing Levels Reports
  • Variable Crewing Implementation Study
  • Test Design for Single Crew Traffic Officers
  • Review of Crewing Levels Report
• Risk Approach to Prioritising Maintenance - Risk Factors for Value Management Report
• Road accidents involving deer
  • Monitoring reported deer road casualties and related accidents in England to 2010 Report
  • National Deer-Vehicle Collisions Project England (2003 - 2005). The deer initiative. (2007) Ref Y204282
  • Deer and Existing Structures Final report (Y204282)
• Road Worker Conspicuity:
  • Road Worker Conspicuity - Briefing Note
  • Helman S and Palmer M (2010). Road Worker Conspicuity - Daytime and Nigh Time. TRL. Wokingham
• Rock slope hazard assessment. (2010). Mott MacDonald, Bristol, UK. Ref: 652(666)MTSC
• Single Crew Test Design Main Report:
  • Single Crew Test Design Main Report
  • Single Crew Test Design - Appendices
• Simplification of Temporary Traffic Management Signage
  • Driver Interaction with Temporary Traffic Management Report
  • Driver Interaction with Temporary Traffic Management Phase 1 Project Report
  • Driver Interaction with Temporary Traffic Management Phase 2 Project Report
  • Safety Argument for Changes to Temporary Traffic Management Sign Sizes Report
• Speciman Monitoring Final Phase
  • Speciman Monitoring - Cast-in Corrosion Inhibitors Report
  • Speciman Monitoring - Light Weight Aggregate Concrete Report
  • Speciman Monitoring - Recycled Concrete Report
• Speed compliance in overnight road works report
• Sustainable Construction, Maintenance and Operations Reports
  • Sustainable Construction Literature Review
  • Summary of Sustainable Construction Review
  • Review of DMRB
  • Implementing and Environmental Assessment Approach
  • A Review of Sustainable Procurement Initiatives
  • Understanding Resource Use and Waste Generation within the Network: A Mass Balance Approach
  • Reporting and Performance - Review of HA and SP Tools
  • An Overview of HA Cost Benefit Processes and Sustainability
  • Environmental Sustainability in Value Management for Highway Maintenance Schemes
  • Identifying Resource Efficiency Indicator Mechanisms for the HA
  • Exploring Resource Efficiency Measurement Methods on HA Schemes
  • Case Study: Construction of the A30 Bodmin
  • Case Study: Construction of the A590 High
  • Case Study: Construction of the M40
  • Case Study: Construction of the M60 Junction
• Traffic Officer Service - Specialist Human Behaviour Evaluation of Single Crewing Deployment:
  • Feasibility Report - Test B
  • Feasibility Report Appendices - Test B
• Use of New Materials to Reduce Traffic Sign Lighting Report
• Variable Crewing Research and Policy Feasibility Report:
  • Variable Crewing Research and Policy Feasibility Report
  • Variable Crewing Research and Policy Feasibility Report - Appendices

Pre 2009 archive

• Road Safety Audit Newsletter - January to March 2025
• Road Safety Audit Newsletter - October to December 2024
• Road Safety Audit Newsletter - July to September 2024
• Road Safety Audit Newsletter - April to June 2024
• Road Safety Audit Newsletter - January to March 2024
• Road Safety Audit Newsletter - October to December 2023
• Road Safety Audit Newsletter - July to September 2023
• Road Safety Audit Newsletter - January to June 2023
• Quarterly review October-December 2022
• Road Safety Audit - July to Sept 2022
• Quarterly review April-June 2022
• Quarterly Review - January to March 2022
• Quarterly Review - October to December 2021
• Quarterly Review - July to September 2021
• Quarterly Review - April to June 2021
• Quarterly Review - January to March 2021
• Road Safety Audit Quarterly Review - October to December 2020
• Quarterly reports July - Sept 2020
• Road Safety Audit Bi - Annual Review Jan - June 2020
• Quarterly report October 2019 – December 2019
• Quarterly report July 2019 – September 2019
• Quarterly report April 2019 – June 2019
• Quarterly report January 2019 – March 2019
• Quarterly factsheet – October 2018 – December 2018
• Quarterly report October 2018 – December 2018
• Quarterly report July 2018 – September 2018
• Quarterly reports April 2018 – June 2018
• Quarterly reports January 2018 – March 2018
• Quarterly reporting and factsheets guidance notes 2017
• Quarterly reports October 2017 – December 2017
• Quarterly reports July 2017 – September 2017
• Quarterly reports April 2017 – June 2017
• Quarterly reports January 2017 – March 2017
• Quarterly reports October 2016 – December 2016
• Quarterly reports July 2016 – September 2016
• Quarterly reports April 2016 – June 2016
• Quarterly reports January 2016 – March 2016
• Quarterly Rrport October 2015 to December 2015
• Quarterly factsheet – July 2015 to September 2015 (Rev. 3)
• Quarterly report and guidance notes – July 2015 to September 2015