Road Safety Audit - Ireland

TTRSA's qualified, experienced and approved Road Safety Auditors, work as an Audit Team to deliver Road Safety Audits (RSA). We undertake RSA for all types of highway scheme anywhere within the country, including:

  • New highway schemes;
  • Highway improvements and other related schemes involving changes to the highway -
    • Development led schemes as part of the planning application process;
    • Modifications to road junctions and site accesses;
    • Traffic management measures;
    • Temporary traffic management plans and schemes;
    • Remedial safety schemes;
    • Pedestrian and cycling crossing facilities;
    • Bus priority measures; and,
    • Urban design and home zone schemes.

Our Audit Team meets the competence requirements of Transport Infrastructure Ireland (TII) and is registered on TII's computerised audit approvals system. This ensures that we can provide a rapid turn-around of RSAs even on the national road network. At TTRSA, we understand that many people are unfamiliar with RSAs, so have outlined the main elements of the process and requirements below.

The Road Safety Audit Standard

In Ireland, TII and the vast majority of highway authorities follow the TII Road Safety Audit standard GE-STY-01024, formerly HD19/15.

The GE-STY-01024 defines a RSA as the evaluation of a road scheme during design and construction, before the scheme is open to traffic, to identify potential safety hazards which may affect any type of road user and to suggest measures to eliminate or mitigate those problems. Further defining a road scheme as all works that involve new road construction or permanent change to the existing road layout.

RSAs and the recommended actions contained within, should be undertaken at 5 distinct stages within the design process and construction of the scheme.

Stages of Road Safety Audit
  • A Feasibility Stage RSA is undertaken as part of the route selection element of major schemes and major developments.
  • A Stage 1 RSA is undertaken at the preliminary design stage of the scheme, often prior to submitting a planning application or in response to a request for further information. A Stage RSA involves undertaking an assessment of the outline design including a site visit by at least two members of the audit team. The identification of road safety issues at the earliest stage in the design of the scheme can reduce redundant design revisions and associated costs at the detailed design stage.
  • A Stage 2 RSA is undertaken at the detailed design stage of the scheme and involves undertaking an assessment of the design detail and operation of the scheme including elements such as drainage, street lighting, and road signage and road marking provision, and junction operation (for example the operation of signalised junction). A site visit will be undertaken by at least two members of the audit team. A combined Stage 1/2 RSA is undertaken in situations where a Stage 1 can be omitted or a Stage 1 can be combined with a Stage 2, for example for minor schemes or temporary road schemes. A Stage 1-2 RSA will involve undertaking an assessment of the design detail, as per a Stage 2 Audit.
  • A Stage 3 RSA is undertaken at the construction stage of the scheme upon completion of construction but prior to the opening of the scheme to traffic (whenever possible), and involves an assessment of the physical construction for road user safety including any changes to the design of the scheme following a Stage 2 RSA. A Stage 3 RSA will involve a site visit during both daylight and nightime hours, and will include a formal invitation to a representative of the highway authority and a member of An Garda Siochana.
  • A Stage 4 RSA is undertaken shortly after opening considering actual road user behaviour and looking for signs of collision, typically 2-4 months after opening to live traffic.
The Road Safety Audit Brief

To undertake any stage of RSA, the audit team needs to be provided with an Audit Brief containing appropriate information on both the design and on the background information for the road scheme. GE-STY-01024 states that, as appropriate, this should include:

  • A design brief, e.g. detailing the aims of the scheme and what it is intended that the scheme will achieve and key dates such as when the scheme is expected to be constructed or open;
  • Scheme drawings and design details, e.g. road signs or details of traffic signal operation;
  • Details of any departures from TII standards;
  • Traffic surveys, e.g. vehicle flows, vehicles speeds or vehicle turning movements;
  • Collision data for the existing roads, available from the Road Safety Authority;
  • Previous RSA reports for the scheme, particularly for Stage 2 and Stage 3 audits; and,
  • Specifics relating the the scope of the audit, e.g. is anything to be excluded.
The Road Safety Audit Report

At each stage of RSA, the Audit Team produces an Audit Report. This includes:

  • A description of the scheme being audited;
  • Details of the Audit Site Visit;
  • A list of Audit Team Members and others attending the Audit Site Visit, and a statement signed by the Audit Team Members to certify that they have examined the scheme;
  • A list of plans and other information examined by the Audit Team;
  • Details of specific road safety problems with background reasoning and practical recommendations to eliminate or mitigate the hazards identified; and,
  • An Audit Feedback Form.
Completion of the Road Safety Audit

A RSA is not deemed to be complete unless the Audit Feedback Form is fully completed and signed off. On receipt of the Audit Report, the Scheme Employer and Design Team Leader have the opportunity to discuss or clarify the problems identified with the Audit Team. The Design Team Leader then needs to indicate on the Audit Feedback Form whether they accept the problem identified and whether they accept the proposed solution or propose an alternative solution. The feedback form is then returned to the Audit Team Leader for review, and needs to be signed by the Design Team Leader, Scheme Employer and Audit Team Leader.

Exception Reporting

In exceptional circumstances if it is not possible to reach agreement between the Design Team and Audit Team, either in terms of a problem or recommendation, an Exception Report is prepared and submitted to the Scheme Employer, who must send it to the Director of the 'overseeing organisation', usually TII for National Roads and either the relevant City or County Council for other roads. Once the Scheme Employer is notified of the Director's decision, the Scheme Employer is required to instruct the Design Team in relation to any changes that are required.

How TTRSA can help you

We are always happy to discuss your Road Safety Auditing requirements, compliance with the NRA Standard, and to provide competitive quotations for RSAs. Call us without hesitation on 0719853847, or if you prefer contact us by e-mail at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .