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  • The evolution of practical safety audits in the United States

    Creator:
    Houghton, Tegan Marie
    Abstract:
    This thesis evaluates pre-construction auditing procedures used in the United Kingdom, Australia, and New Zealand in order to help create post-construction auditing procedures for the state of Oregon. It was funded as part of the development of the Oregon Department of Transportation (ODOT) Safety Investigation Manual, and also evaluates content...
    Resource Type:
    Masters Thesis
    Full Text:
    . planning versus final design stage), and meet the qualifications of a Senior Road Safety Auditor

  • Impact of access density on number of crashes at commercial roadways

    Creator:
    Yi, Xiang
    Abstract:
    Numerous research efforts have proven the safety benefits of access management. There are several access management techniques, including unsignalized access spacing, signalized intersection spacing, left-turn lanes, right-turn lanes, Two-Way Left-Turn lanes (TWLTLs), nontraversable median, U-turns, interchange access separation distances and so on. This project explores the correlation between access density...
    Resource Type:
    Masters Thesis
    Full Text:
    improve safety. Although the specific relationships vary according to road geometry, travel speeds, and

  • Cross-section fatal crash type prediction models

    Creator:
    Zhu, Hong
    Abstract:
    The rural two-lane highway in the southeastern United States is frequently associated with a disproportionate number of serious and fatal crashes. The major research objectives are to investigate the relations between probabilities of fatal crash type occurrence and potential contributing factors from road geometric design characteristics and roadside, environmental features....
    Resource Type:
    Dissertation
    Full Text:
    road geometric design characteristics and roadside, environmental features. This dissertation