Plan to limit crashes


North Coast Times - - NEWS - Lucy Jarvis

THE speed limit on In­dian Ocean Drive dropped to 100km/h be­tween Two Rocks and Lancelin last week.

Main Roads WA re­duced the limit by 10km/h on Novem­ber 9, a day af­ter the In­dian Ocean Drive High­way Safety Re­view Group re­leased its road safety re­view.

The change in speed limit was one of the rec­om­men­da­tions iden­ti­fied in the re­view that fol­lowed sev­eral fa­tal and se­ri­ous crashes on the road this year.

The posted 100km/h limit ap­plies be­tween the end of the ex­ist­ing 90km/h zone near Break­wa­ter Drive, with the speed zone re­vert­ing back to 90km/h just af­ter K.W. Road.

Main Roads will also fin­ish in­stalling au­di­ble cen­tre and edge lines on that stretch by Fe­bru­ary 2018, pro­vid­ing driv­ers with an au­di­ble warn­ing if their ve­hi­cle crosses painted lines.

The re­view group in­cluded staff from the Road Safety Com­mis­sion, WA Po­lice and Main Roads, and was chaired by act­ing Road Safety Com­mis­sioner Iain Cameron.

Mr Cameron said while there was ev­i­dence of un­safe driver be­hav­iour, such as speed­ing and dan­ger­ous over­tak­ing, po­lice only iden­ti­fied traf­fic of­fences as con­tribut­ing fac­tors in two of the 28 crashes.

“Sub­se­quent anal­y­sis by the re­view group showed that ve­hi­cles on the wrong side of the road were in a drift or loss-of-con­trol sit­u­a­tion due to po­ten­tial con­tribut­ing fac­tors in­volv­ing fa­tigue, steer­ing task and road ge­om­e­try,” he said.

“This would nor­mally have re­sulted in a sin­gle ve­hi­cle run-off road crash.

“How­ever, when com­bined with a growth in ve­hi­cles us­ing the road, the drift or loss of con­trol over the cen­tre­lines to the right re­sulted in a side swipe and head-on crash oc­cur­ring at rates above the net­work av­er­age.

“While tourists were in­volved in some crashes, they were not the norm or the ma­jor­ity.”

Mr Cameron said the cur­rent me­dian op­er­at­ing speed var­ied from 99-103km/h on the road, although speed sur­veys also found some mo­torists ex­ceeded the limit.

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