United States Department of Transportation
i
West Des Moines: A City's Approach to Vehicle-based Technologies
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2018-09-11
[PDF-1.75 MB]
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Abstract:The Weather-Savvy Roads effort deploys two distinct road weather management solutions that allow State and local agencies to proactively manage the surface transportation system ahead of and during adverse weather events: Pathfinder and Integrating Mobile Observations (IMO). IMO promotes the collection of mobile weather, road, and vehicle data from agency fleets to improve situational awareness of road conditions. This case study reviews a local agency approach to leverage available technologies to enhance winter maintenance operations in West Des Moines, Iowa. The city of West Des Moines is a suburban community in central Iowa of about 68,000 residents with 800 lane miles of pavement that are all maintained by the West Des Moines Department of Public Services. Located at an interstate crossroads, the city’s daytime population increases to over 150,000. West Des Moines Public Services has been very proactive over the years on winter maintenance operations, incrementally enhancing agency practices and continuously improving performance by leveraging available resources to deploy new technologies and equipment. This has included the deployment of road weather information systems (RWIS); infrared sensors for pavement friction determination; automatic vehicle location (AVL); mobile sensors on plows and other agency vehicles; and software, including that for route optimization and a maintenance decision support system (MDSS) for material type and application determination. These efforts have been accomplished by identifying trends and pushing technology to continuously improve and automate agency practices.
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