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Civil Engineer Dominic Waterhouse has shared Arup’s experience obtaining iRAP Certification for the proposed design of the Tonkin Highway Extension project in Western Australia, and the value it brought to project partners.

Arup, on behalf of Main Roads Western Australia (MRWA), was awarded iRAP Certification for achieving 3, 4 and 5-star safety ratings for the proposed design. The design achieved a 5-star iRAP safety rating for active users – pedestrians and bicyclists.

Hear Dominic’s reflections (1 min 30 secs):

Star Rating Certification can help road owners celebrate the life-saving impact of their investments in safer roads and raise awareness about their commitment to achieving UN Targets 3 and 4, the Global Plan and Sustainable Development Goals (SDGs).

Any road or design that has been assessed using the iRAP Star Rating methodology is eligible for iRAP Certification.

Certification is a voluntary process and can be performed for vehicle occupants, motorcyclists, pedestrians and/or bicyclists.

Read more on iRAP Certification and how to apply at

Read more on the Tonkin Highway Extension Project here.

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The International Road Assessment Programme (iRAP) is a Registered Charity with UN ECOSOC Consultative Status.
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