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Experience Gained in Road Safety in Implementing Safer Surfacings

Gain insights into road management, road user demands, surfacing skid resistance, network response, and conclusions from Dr. R.J. Dunlop's experience in road safety. Presented by DRD Consulting Ltd.

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Experience Gained in Road Safety in Implementing Safer Surfacings

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  1. Experience Gained in Road Safety in Implementing Safer Surfacings Dr R J Dunlop BE(Hons), PhD, QSO DRD Consulting Ltd.

  2. Outline of Presentation • Road Management • Road Users Demands to Focus on • Surfacing Skid Resistance • Network Response • Conclusions DRD Consulting Ltd.

  3. Road Management • Roads are fabric of society • Need to consider the whole corridor • Need to manage safety of corridor users • Risk analysis • Defence against challenges DRD Consulting Ltd.

  4. Road Users Views • Road system reliability • Comfort and low stress • Safety of the road • Efficiency • Price and level of service DRD Consulting Ltd.

  5. Road User Demands to Focus on • Fitness for purpose • No surprises to the driver • Ensuring balance between mobility and safety • Where appropriate and economic use new technology to assist in road management DRD Consulting Ltd.

  6. Surfacing Skid Resistance • In order to focus on these few points and in particular the “no surprises” environment how does the driver weigh up; • vehicle speed • surface texture • water depth and tyre characteristics • seasonal variations • road geometry • surface contamination DRD Consulting Ltd.

  7. Overcoming Lack of Visible Driver Evidence • Easy way out - erect signs • Lowest common denominator results in non observance • In carrying out safety audits look for discontinuities in the network DRD Consulting Ltd.

  8. Surface Treatment Crash Reduction DRD Consulting Ltd.

  9. Network Response • Convince the powers to be • Documented process using data collected and then analyses • Establish investigatory levels for the network • Carry out Cost Benefit analysis on the worst 5% • Submit your proposal • Remember to always ask the question “how will you look if we fail to take action” DRD Consulting Ltd.

  10. Conclusions • No road network operator/owner can ignore the importance of surfacing skid resistance • Always focus on the “no surprises” environment DRD Consulting Ltd.

  11. THANK YOU R J Dunlop Email llandaff@xtra.co.nz DRD Consulting Ltd.

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