IJE TRANSACTIONS C: Aspects Vol. 31, No. 6 (June 2018) 1167-1175   

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A. D, R. M and RAVI S. K V
( Received: September 27, 2017 – Accepted: March 02, 2018 )

Abstract    Uncontrolled intersections are the intersections where there are no external signs or signals to control the movement of vehicles. In mixed traffic conditions priority rules are often violated by the road users. In All-way-stop-controlled intersections (AWSC), the vehicle should stop themselves before they enter the intersection and should check whether any vehicles are present in the other approaches of the intersection. If no vehicle is present, then they can cross the intersection. For this study, data were collected from two uncontrolled three-legged intersections located at various parts of India and critical gap required for each vehicle combination to cross the intersection are extracted. Gap Acceptance method is used for mixed traffic condition because it is based on the critical gap and follow-up time, which in turn depends on the type of vehicles and traffic conditions. This study tries to analyze the effect of vehicle type on gap acceptance behaviour at uncontrolled intersection. From this study, it is observed that size of the vehicles and traffic volumes has an influence on the critical gap.


Keywords    Gap Acceptance, Critical Gap,Mixed traffic, Uncontrolled intersections.


References    Shahi, J., and Amini, B., “The influence of urban network Feautures on the quality of Traffic service”, International Journal of Engineering, Vol. 11, No. 3,(1998),167-174.Faghri, A., “Signal design at isolated intersections using expert system technology”, International Journal of Engineering, Vol. 8, No. 4, (1995), 181-189.Vaziri, M., “Traffic flow characteristics of isolated      off-ramps in Iranian expressways”, International Journal of Engineering, Vol. 11, No. 3, (1998), 135-145.HCM, “Em Highway Capacity Manual”, Highway Capacity Manual, SR 209, Transportation Research Board, National Research Council, Washington, D.C., (1985).HCM, “Em Highway Capacity Manual,Highway Capacity Manual, SR 209. Transportation Research Board, National Research Council, Washington, D.C,(1994)HCM,  “Em Highway Capacity Manual, Highway Capacity Manual, SR 209. Transportation Research Board, National Research Council, Washington, D.C,(2000)Ashalatha, R., and Chandra, S., “Critical gap through clearing behavior at unsignalised intersection”, KSCE Journal of Civil Engineering, Vol. 15, No.8, (2011), 1424-1434.HCM, “Em Highway Capacity Manual, Highway Capacity Manual, SR 209. Transportation Research Board, National Research Council, Washington, D.C,(2010)Kyte, M., Kittelson, W., Tian, Z., Brilon, W., Troutbeck, R., and Mir, S., “New measurements for saturation headways and critical gaps at stop-controlled intersections”, Proceedings 2nd International Symposium on Highway Capacity at Sydney, Australian Road Research Board, 1994, 345-364.Alexander, J., Barham, P., and Black, I., “Factors influencing the probability of an incident at a junction: results from an interactive driving simulator”, Accident Analysis & Prevention, Vol. 34, No.6, (2002), 779–792.Ashworth, R., and Bottom, C. G., “Some observations of driver gap-acceptance behavior at a priority intersection”, Transportation Engineering, Vol. 18, No.2, (1977), 569-571.Adebisi, O., and Sama, G. N., “Influence of stopped delay on driver gap acceptance behavior”, Journal of Transportation Engineering, ASCE, Vol. 115, No.3, (1989), 305-315.Khattak, A. J., and Jovanis, P. P., “Capacity and delay estimation for priority unsignalized intersections: conceptual and empirical issues”, Transportation Research Record: Journal of the Transportation Research Board, 1287, (1992), 129-137.Fitzpatrick, K., “Gaps accepted at stop-controlled intersections”, Transportation Research Record, 1303,(1991),103-122.Hamed, M. M., Easa, S. M., and Batayneh, R. R., “Disaggregate gap acceptance model for unsignalised T-intersections”, Journal of Transportation Engineering, ASCE, Vol. 123, No.1, (1997), 36-42.Solberg, P., and Oppenlander, J. C., “Lag and gap acceptances at stop controlled intersections”, Highway Research Record 118, Highway Research Board, Washington D.C., (1966), 48-67.Wu, N., “A New Model for Estimating Critical Gap and its Distribution at Unsignalized Intersections”, Proceedings of the Fifth International Symposium of Highway Capacity and Quality of Service, Japan Society of Traffic Engineers, Yokohama, (2006). Daganzo, C. F., “Estimation of gap acceptance parameters within and across the population from direct roadside observation”, Transportation Research, Vol.15B, No.1,(1981), 1-15.Mahmassani, H., and Sheffi, Y., “Using gap sequences to estimate gap acceptance functions”, Transportation Research, Vol.15B, No.3, (1981), 143-148.   Maze, T. H., “A probabilistic model of gap acceptance behavior”, Transportation Research Record, 795, (1981), 8-13.Devarasetty, P. C., Zhang, Y., and Fitzpatrick, K., (2011) “Differentiating between Left-Turn Gap and Lag Acceptance at Unsignalized Intersections as a Function of the Site Characteristics”, Journal of Transportation Engineering, ASCE, Vol.138, No. 5, (2011), 580-588. Raff, M. S., and Hart, J. W., “A volume warrent for urban stop signs”, Eno Foundation for Highway Traffic Control. Saugatuck, Connecticut, (1950).Patil, G. R., and Pawar, D. S., “Temporal and Spatial Gap Acceptance for Minor Road at Uncontrolled Intersections in India”, Transportation Research Record, 2461,(2014), 129–136.Sangole, J. P., Patil, G. R., and Patare, P. S., “Modelling Gap Acceptance Behavior of Two-Wheelers at Uncontrolled Intersection Using Neuro- Fuzzy”, Procedia-Social and Behavioral Science, Vol. 20, (2011), 927–941.Abhigna, D., Kondreddy, S., and Ravi Shankar, K. V. R., “ Effect of Vehicle composition and delay on roundabout capacity under mixed traffic conditions”,Archives of Transport, Vol. 40. No. 4,(2016), 7-14.

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