Hon Dean Nalder BBus GradDip(AppFin&Inv) MLA

Hon Dean Nalder BBus GradDip(AppFin&Inv) MLA

Former Minister for Agriculture and Food; Transport

    Traffic light review cuts journey times

    25/08/2016 9:00 AM
    • Traffic signal timing improvement project reduces travel time on 20 routes across the metropolitan area over two years 2014-15 and 2015-16
    • Average journey times on specific routes have improved by up to 28% 

    A key initiative in the Liberal National Government's strategy to reduce congestion and improve traffic flow across the metropolitan area has delivered positive results in its second year.


    The traffic signal timing improvement project, which started in 2014-15, has improved average journey times on specific routes by up to 28 per cent and further improvements are scheduled for 2016-17.


    "This project reviewed 201 sets of traffic signals over 20 key traffic routes, covering a total of 145 kilometres of roads," Transport Minister Dean Nalder said.


    "Traffic signal timing can decline over time and, as part of this review, Main Roads Western Australia undertook extensive modelling to determine the optimum peak traffic signal timings and sequencing.


    "As a result, with a minimal investment, the State Government has significantly improved journey times and congestion for road network users by better optimising existing infrastructure."


    Mr Nalder said the 2015-16 project included signal timing changes to 10 new traffic routes and a reassessment of 10 routes where traffic signal improvements were initiated in 2014-15.


    "This project has produced positive outcomes along every route that was reviewed," he said.


    "Key sections of road where there was a major reduction in average journey times included along Stock Road, which reduced by 28 per cent in the afternoon peak, and Great Eastern Highway - Lloyd Street to Coolgardie Avenue - which reduced by 22 per cent in the morning peak.  Stirling Highway also saw journey times reduced by 12 per cent in the afternoon peak."


    Traffic signal timing and sequencing routes changed in 2015-16 were:

    1. Leach Highway - High Road to Welshpool Road
    2. Great Eastern Highway - Lloyd Street to Coolgardie Avenue
    3. Great Eastern Highway - Craig Street to Brearley Avenue
    4. West Coast Highway - Manning Street to Claremont Crescent
    5. Stirling Highway - Eric Street to Hackett Drive
    6. Wanneroo Road - Beach Road to Ocean Reef Road
    7. Stock Road - Marmion Street to Russell Road
    8. Guildford Road - Walcott Street to Tonkin Highway
    9. Canning Highway - North Lake Road to Queen Victoria Street
    10. Karrinyup Road - Jeanes Road to Main Street. 

    The Minister said the Government would double the signal timing review to include more than 400 sets of traffic signals in 2016-17.


    Fact File

    Minister's office - 6552 6400


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