Ezenwa Chinenye Amanamba,  Performance Evaluation of a ‘Priority-Controlled’ Intersection Converted to Signal-Controlled Intersection.   journal   = {International Journal of Urban and Civil Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2016, vol. 115(7). 969 - 978
    [viewed 23 September 2019]. Available from: https://publications.waset.org/pdf/10005965.