The increasing number of trucks traveling on Virginia highways has resulted in growing demand for both public rest areas and private truck stops. Additionally, a lack of adequate parking spaces for large trucks may be a contributing factor to driver fatigue, and the unsafe practice of parking commercial trucks on highway shoulders and interchange ramps. Unless additional large truck parking spaces are provided, this situation will get worse. Unfortunately, information sufficient to provide for the planning of additional large truck parking spaces in Virginia is not available. This study developed a methodology to determine the supply and demand for commercial heavy truck parking, using Interstate 81 as a case study. In this study supply is defined as the number of parking spaces available for large truck parking and demand at a given time is the sum of the parking accumulation and the illegal parking at that time. Extensive data on the characteristics of large truck parking including duration and accumulation for different times in the day were obtained. Data were obtained at fourteen rest areas and twenty-nine truck stops. Detailed information was also obtained on the characteristics of each truck stop and rest area, including the location, number and types of parking spaces, and the availability of other facilities such as restaurants and showers. Two types of questionnaire surveys were conducted. The first involved truck drivers and the second involved truck stop managers/owners. The data collected were used to develop models that describe the relationship between parking accumulation and independent variables such as, traffic volume on the highway, truck percentage, parking duration and the distance a truck stop is from the interstate, etc. The models developed were then used to estimate future demand in ten and twenty years. The shortfall in supply with respect to the estimate demand was then determined for each truck stop and the entire highway.


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    Titel :

    Estimating the Supply and Demand for Commercial Heavy Truck Parking on Interstate Highways: A Case Study of I-81 in Virginia


    Beteiligte:
    H. Wang (Autor:in) / D. Charoenphol (Autor:in) / N. Garber (Autor:in)

    Erscheinungsdatum :

    2002


    Format / Umfang :

    82 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch