Safety

Roundabouts are a commonly adopted intersection treatment in Western Australia due to their road safety benefits (i.e. low speeds and improved impact angles). To achieve the desired safety improvements offered by a roundabout, speeds are…

As part of Perth’s new Smart Freeways project, long-lever (between 16-22 m) cantilever sign structures were constructed and installed in along the northbound carriageway of the Kwinana Freeway. Due to limited stock of steel circular…

Every year over a hundred lives are lost on West Australian roads. While any death on the road is unacceptable, the State Government is committed to substantially reducing this toll. As a result, the Government…

With an extensive rural network that has immense sections of road that have reduced visibility at night, WARRIP investigated some of the emerging technologies to improve visibility on regional roads. Whilst potential technologies look promising,…

ARRB, Main Roads Western Australia, WALGA, Curtin University and the University of WA developed the concept for a Western Australian Pavement Asset Research Centre (WAPARC). The purpose of the centre was two-fold.  The first objective…

Full depth asphalt pavements are designed to have little flexibility and can suffer from fatigue damage. The main factors contributing to fatigue damage are design parameters, climate (temperature), and traffic speed. Balancing these factors and…