A Road Safety Audit is a formal examination of an existing or future road or
traffic project, or any project which interacts with road users, in which an
independent, accredited auditor reports on the project's accident/crash potential
and safety performance. The objectives of road safety audit are to identify
potential safety risks for road users and to ensure that measures to eliminate
or reduce the risks are fully considered. Road safety audit works in two ways to
ensure that safety is improved, namely by removing preventable crash producing
elements at the design stage and by mitigating the effects of any remaining
risks by the inclusion of suitable crash-reducing elements.
Audits
may be undertaken at one or more phases of a project.
There are five opportunities at which audits may be undertaken:
- Concept / Planning
- Preliminary design
- Detailed design
- Pre opening or during construction
- Audit once under 'normal' operation
A road safety audit can also be carried out during the
construction phase of a scheme (roadwork traffic management), during major
maintenance works as part of land use developments, for the review of an
existing road scheme, and for special road user needs/groups. It is considered
that the earlier the audits are undertaken, the easier it will be to incorporate
any recommendations into the final project. Note that, in practice, a
'combination' audit is possible whereby the audit may overlap between stages,
eg detailed design/ partial construction, although this particular example is not
desirable as a 'first' audit in a project.
As a guide, for any project which involves a change in road alignment
or the erection / alteration of roadside structures, a Road Safety Audit should be carried
out at the end of the detailed design stage at the very least. For complex projects,
involving high volumes of traffic, at least two audits should be carried out during the
life of the project.
Audits and the resulting recommendations are prepared with the single
focus of maximising safety and generally compromises between safety and efficiency
and/or cost are not considered by the auditors.
The
objectives of road safety auditing in Local Government are to:
- Encourage good road safety practice
- Improve Local Government personnel's knowledge of road safety in general
- Adopt a pro-active approach to road safety and crash prevention
- Develop accredited Local Government personnel in road safety auditing
- Achieve improved economic returns (risk management, benefit cost ratio of project)
- Address safety and design issues prior to construction commencing to minimise costly changes after project completed
- Assess safety issues on roads before crashes occur, and
- Provide a coordinated and standardised approach to road safety auditing within Local Government and the RTA
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