![]() Improving the efficiency at urban intersections with high truck traffic can address the freight-traffic congestion, leading to optimized goods movement as well as decreased delays, congestion, and emissions, thus enhancing the air quality in and around the communities. Intersections for urban freight-roadway networks are one of the major freight bottlenecks and are considered to be a significant contributor for congestion and delay. Freight bottlenecks are a major cause of recurring congestion which accounts for about 40% of total vehicle hours of delay in the United States. The demand for freight transportation in the United States has grown rapidly in the past couple of decades the rate at which the highway capacity is growing is not able to meet the freight-trans- portation needs, resulting in congestion and delay, ultimately affecting the users and the public with increased prices for the goods delivered, unreliable delivery times, and air-pollution concerns. Received 7 September 2015 accepted 21 November 2015 published 24 November 2015 This work is licensed under the Creative Commons Attribution International License (CC BY). Sign up here.1Upper Great Plains Transportation Institute, North Dakota State University, Fargo, USAĢDepartment of Civil Engineering, Kansas State University, Manhattan, USAĬopyright © 2015 by authors and Scientific Research Publishing Inc. "More than 60 per cent of the state's road fatalities occur in regional WA, despite it being home to just 20 per cent of the population." Great Southern newsletter: Local news in your inboxĪBC Great Southern will deliver a wrap of the week's news, stories and photos every Thursday. "Someone is killed or seriously injured on our roads every five hours," he said. RAC WA spokesperson Will Golsby said the survey would help amplify calls for improved safety on regional roads. Three of the top 10 worst intersections were listed on the busy Forrest Highway, which links Perth with the South West region. 10.Great Northern Highway - Port Hedland to Newman.7.Great Southern Highway - York to Brookton.5.South Coast Highway - Walpole to Esperance.4.Indian Ocean Drive - Yanchep to Arrowsmith.2.Great Eastern Highway - The Lakes to Coolgardie.1.South Western Highway - Bunbury to Walpole.South Western Highway between Bunbury and Walpole was listed as the worst section of road due to narrow roads, lanes and bridges, lack of overtaking lanes, and tight curves and blind bends. "Traffic signals are not a suitable solution at this instruction due to the limited stacking distance available within this roundabout," he said. Mr Duffield said it would be difficult to install traffic lights at the intersection and Main Roads had no plans to do so. "If you do have a crash, that's typically a property-damage-only crash." "The roundabout is one of the busiest intersections in the state, carrying 50,000 vehicles per day," he said. Main Roads Great Southern regional manager Andrew Duffield said over five years there had been 180 crashes at the roundabout, with 91 per cent property damage only. The RAC recommends traffic lights for the roundabout, which would be the first installed in Albany. 10.South Coast Highway and Strickland Street.8.East Hyden Bin Road and Hyden-Lake King Road.1.Albany Highway - Chesterpass Road roundabout.( ABC Great Southern: John Dobson) Top 10 riskiest intersections (Regional WA) Main Roads Great Southern manager Andrew Duffield. ![]()
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