WASET
    Anwaar Ahmed and  Muhammad Bilal Khurshid and  Samuel Labi,  Impact of Vehicle Travel Characteristics on Level of Service: A Comparative Analysis of Rural and Urban Freeways.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 95(11). 1156 - 1160
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9999727.