The crash data for January 2012 to December 2016 shows the fifteen traffic intersections with the highest reports of vehicle accidents in the City of Cockburn. They are ranked according to the number of people injured, the frequency of accidents and the cost of injury and damage. The road improvements are funded under the state and federal Black Spot Programs to provide a safer road network for drivers, motorcycle riders, pedestrians and cyclists.
For the five-year period to the end of 2016, the top 15 black spot intersections in the City of Cockburn were:
Armadale Road, Tapper Road and Verde Drive79 accidents/19 injuries over five years
Noticeable spike in crashes - 28 in 2016 and 8 in 2015. Sudden increase in rear-end accidents (82 per cent of crashes). Recommended action: Armadale Road is a State road. This intersection will benefit from the Armadale Road widening scheduled by the State Government to start in mid-2018. A “duck n dive” intersection and additional traffic lanes have been proposed.
89 accidents/19 injuries over five years
The staggered T-intersections at this location have been realigned in early 2015 to form one four-way intersection with traffic lights. As a result, the crash rate dropped from an average of 17.2 crashes a year over five years to 13 crashes in 2016. Recommended action: completed.
Midgeroo Avenue, Beeliar Drive and Gateways north access136 accidents/19 injuries over five years
Mainly rear-end/side-swipe crashes (110 out of 136). Accidents, particularly rear-end accidents, have reduced since 2014 possibly due to intersection improvements that were funded by Perron Group to support the Gateways Shopping Centre expansion. 15 crashes reported in 2016. Recommended action: completed. City to review intersection safety and performance before any further expansion of the shopping centre.
Armadale Road and Warton Road55 accidents/18 injuries over five years
Mainly rear-end/side-swipe crashes (34 out of 55 crashes) followed by right-angle crashes (17 out of 55). No right-angle crashes in 2016. Recommended action: Armadale Road is a State road. This intersection has been upgraded to include a free flow left-turn lane, improved lighting and signals, and upgraded pedestrian crossing.
Kwinana Freeway south, Russell Road and Gibb Road64 accidents/18 injuries over five years
Mainly rear-end/side-swipe crashes (42 out of 64 crashes). Intersection upgraded as part of Russell Road/Gibbs Road works by Main Roads WA. Recommended action: completed.
Stock Road and Phoenix Road106 accidents/18 injuries over five years
Mainly rear-end/side-swipe crashes (81 out of 106 crashes) with a high accident rate in 2016. High number of rear-end crashes turning left from Phoenix Road (westbound) into Stock Road (southbound). Recommended action: Stock Road is a state road. City will ask Main Roads WA to add a free flow left-turn lane, improved lighting and signals, and upgraded pedestrian crossing facilities.
Beeliar Drive and Wentworth Parade59 accidents/13 injuries over five years
Traffic signals installed in 2013 as part of Beeliar Drive widening works by Perron Group. High proportion of rear-end crashes in Wentworth Parade involving vehicles turning left. Crash numbers have reduced in recent years (11 in 2016). Recommended action: City will apply for Black Spot funds for the 2018/19 financial year to extend the left-turn lane in Wentworth Parade.
Stock Road northbound and Winterfold Road54 accidents/13 injuries over five years
Mainly rear-end/side-swipe crashes (33 out of 54 crashes). Recommended action: Stock Road is a State Road. City will ask Main Roads WA to install separate left and right turn lanes on both approaches on Stock Road and improved lighting.
North Lake Road and Farrington Road66 accidents/13 injuries over five years
Mainly a rear-end crash problem (61 out of 66 crashes). Improvements funded by Black Spot Program to install overhead traffic lights in 2014. Crash numbers have reduced in past two years to 12 in 2016. Recommended action: Significant demand for right-turn from North Lake Road into Farrington Road in peak hours. Second right-turn lane required.
Spearwood Avenue and Beeliar Drive roundabout83 accidents/11 injuries over five years
Mainly rear-end/side-swipe crashes (62 out of 83 crashes). Recommended action: Opportunity for Black Spot Program funding for traffic lights.
North Lake Road and Berrigan Drive49 accidents/11 injuries over five years
Mainly rear-end crashes (38 out of 49 crashes). This intersection was modified as a 2015/2016 Black Spot Program project by extending turn lanes and improving road lighting. Recommended action: Monitor effectiveness of improvements and safety at the petrol station driveway on Berrigan Drive.
Phoenix Road and Sudlow Road28 accidents/11 injuries over five years
Mainly rear-end crashes (13 out of 28 crashes), although some right-angle and right-turn crashes as well (14). Recommended action: Submit as a Black Spot Program project for traffic signal phasing changes to reduce right-turn through crashes.
Phoenix Road and Rockingham Road59 accidents/10 injuries over five years
Mainly right-angle and right turn through crashes (32) and rear-end crashes (25). Difficult intersection to improve due to physical and infrastructure constraints. Recommended action: Potential Black Spot project as part of the planned upgrade of Rockingham Road, south of Phoenix Road.
Stock Road and Beeliar Drive2 accidents/10 injuries over five years
Mainly rear-end/side-swipe type crashes (44 out of 52). Recommended action: Main Roads WA is investigating the upgrade of this intersection with potential funding from 2017/18 Black Spot program.
North Lake Road and Osprey Drive26 accidents/10 injuries over five years
Mainly rear-end/side-swipe crashes (20 out of 26 crashes). Intersection modified in 2014/15 under Black Spot Program. Only one reported crash in 2016. Recommended action: No further action.
Intersection of Spearwood Avenue/Rockingham RoadInstalled right-turn arrows at existing traffic signals to control right-turns from east and west approaches on Spearwood Avenue.
Intersection of Jandakot Road/Warton Road/Mason RoadInstalled a second approach lane on Jandakot Road to serve as a left-turn slip with a give way sign.
The District Traffic Study 2018 provides the foundation for future road network planning of the City of Cockburn. It does this in terms of setting road network upgrade priorities and providing a framework for ongoing analysis of the road network.