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  • Removing Residual Lane Markings to Reduce Driver Confusion

    Creator:
    Weber, Jane B.
    Abstract:
    When pavement markings on roadways are removed, scarring can occur leaving behind traces of where the marking used to be called ghost lines. These ghost lines can confuse drivers on the roadway and divert their attention from the correct lane markings leading them into the false lane. Previous research has...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: ______________________________________________________ David S. Hurwitz When

  • Utilizing smart manufacturing information in a job shop to support job selection and processing speed decisions

    Creator:
    Houck, Christopher
    Abstract:
    Creating schedules for the job shop manufacturing system is an extremely difficult task. Although researchers have devoted a lot of attention to generating optimal solutions, these solutions are static, thus they do not update as random events occur that disrupt the system. As smart manufacturing has grown, researchers have been...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ David S. Kim Creating schedules for the job shop manufacturing system is an extremely

  • A safety evaluation of turn lane-adjacent bike lane configurations in Portland, Oregon

    Creator:
    Wyman, Amy
    Abstract:
    The Manual on Uniform Traffic Control Devices prohibits positioning a bike lane right-adjacent to a vehicle turn-only lane to mitigate the potential for right-hook crashes. However, it provides no specific guidance on positioning with respect to bus-only lanes. This thesis describes a before/after safety evaluation of bike lanes positioned left...
    Resource Type:
    Masters Thesis
    Full Text:
    . Abstract approved: ______________________________________________________ David Hurwitz The

  • Impact of Bicycle Rolling Stop Laws on Safety-Relevant Behaviors in the Pacific Northwest

    Creator:
    Woodside, Jasmin Barnes
    Abstract:
    Previous research has found some bicyclists disregard circular red indications and stop signs. Possible justifications include a desire to increase safety, save energy, save time, and increase visibility. Because of this, many bicyclists feel as though stopping at stop signs, especially in the absence of conflicting vehicular traffic, is an...
    Resource Type:
    Masters Thesis
    Full Text:
    Pacific Northwest Abstract approved: ____________________________________________ David S

  • Preliminary Assessment of Driver Parking Decisions From A Heavy Vehicle Driving Simulator To Inform Curb Management Decisions

    Creator:
    Liu, Yujun
    Abstract:
    As e-commerce and urban deliveries spike, there is an increasing demand for curbside loading/unloading space. However, commercial vehicle drivers face numerous challenges while navigating dense urban road networks. Previous literature on the topic of how commercial vehicle drivers make choices about when and where to park is scarce, and data...
    Resource Type:
    Masters Thesis
    Full Text:
    Decisions Abstract approved: ________________________________________________ David S

  • Evaluation of Setback Crosswalk to Mitigate Vehicle-Pedestrian Conflicts at Intersections

    Creator:
    Chai, Eileen Pei Ying
    Abstract:
    It is considered best practice when designing pedestrian access at intersections to provide two curb ramps at each street corner. In Oregon, there are many locations where long ramp runs cause curb ramps to be set back a significant distance from the apex of the intersection corner to meet this...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: ______________________________________________________ David S. Hurwitz It is considered

  • Selecting Probability Distributions for Use in Complex Discrete Event Simulation Models

    Creator:
    Moria, Eyad A.
    Abstract:
    In discrete event simulation, probability distributions are used as models of various unpredictable system components. The times between equipment failures and job processing times are examples of such random system components. The commonly recommended and taught practice for selecting a probability distribution to represent a random component is a multistep...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: ______________________________________________________ David S. Kim In discrete event

  • Analysis and Comparison of Fixed-Size Lot and Fixed-Time Lot Batch Production Systems

    Creator:
    Tiwari, Prashant
    Abstract:
    In high volume automated discrete item batch production systems, the batches or lots are typically fixed quantity (i.e., size), with setups incurred between the different production lots. Processing times for the fixed-size lots are relatively constant when the workstation is operating however, random workstation disruptions cause variability in the lot...
    Resource Type:
    Dissertation
    Full Text:
    approved: _____________________________________________________ David S. Kim In high volume

  • Assessing the Impact of Three Intersection Treatments on Bicyclist Safety

    Creator:
    Scott-Deeter, Logan K..
    Abstract:
    Bicyclist safety at urban intersections is a critical element for encouraging an increase in bicycle commuting. With bicycle injury and fatality rates rising due to collisions with vehicles at signalized intersections, increasing the safety of riders continues to be an important consideration when promoting this mode of transportation. Previous research...
    Resource Type:
    Masters Thesis
    Full Text:
    Safety Abstract approved: ______________________________________________________ David S

  • Measuring Instrument Precision Estimation in Destructive Testing

    Creator:
    Sunil Raj, Sayooj
    Abstract:
    The variability introduced into measurements by a measuring instrument is referred to as measurement instrument precision. Experimental procedures and analysis methods exist when measurements are repeatable and can be repeated on the same item. However, when the measurements are destructive and repeated measurements are not possible, estimating measuring instrument precision...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ David S Kim Variability introduced into measurements by a measuring instrument is