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Sharma, Vinay Kumar
- Modelling U-Turning Behaviour of Vehicles at Mid-Block Median Openings in Multilane Urban Roads
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Authors
Affiliations
1 Department of Civil Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, IN
1 Department of Civil Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, IN
Source
Current Science, Vol 114, No 07 (2018), Pagination: 1461-1473Abstract
Gap acceptance and lateral placing of vehicles are considered as prime parameters for analysing the behaviour of U-turning in vehicles at un-signalized median opening in urban areas. Critical gap is the sole parameter in gap acceptance phenomenon where critical position gives the vehicle’s location during U-turn operation. Data for this study were collected using video photography at six median openings on a sixlane road and three median openings on a four-lane road from two different cities of India. Data as extracted by categorizing the traffic stream into five different classes such as two-wheelers, three-wheelers, car/SUVs, LCVs (light commercial vehicles) and HCVs (heavy commercial vehicles). Three different methodologies (namely the traditional method, INAFOGA and modified Raff’s method) were utilized to estimate the critical gap. Critical position of vehicles is estimated using the markings on the pavement surface. Regression technique was used for modelling critical gap and position using different variables for each motorized mode. All the proposed models have a high coefficient of determination value which indicates its high significance level. Modelling of critical position for 3-wheelers was not framed as the P-value for each variable was higher than 0.05. The reason could be the randomness in data because of the undisciplined lateral movement of three-wheelers. A design recommendation for right turn pocket lanes near the median opening area is proposed especially for U-turning traffic based on the percentage of the U-turning traffic and maximum critical position of vehicles from the median edge.Keywords
Critical Position, Critical Gap, Gap Acceptance, Median Opening, U-Turning Vehicles.Full Text
References
- Sugiarto, S., Limanoond, T. and Nakatsuji, T., Dropped in capacity and traffic speed of urban arterial: a case study at U-turn section in Aceh Province, Indonesia Aceh. Int. J. Sci. Technol., 2012, 1(3), 86–93.
- Hamed, M. M., Easa, S. and Batayneh, R. R., Disaggregate gapacceptance model for unsignalized T-intersections. J. Transp. Eng., ASCE, 1997, 123(1), 36–42.
- Gurupackiam, S. and Lee, J. S., Empirical study of accepted gap and lane change duration within arterial traffic under recurrent and non-recurrent congestion. Int. J. Traffic Transp. Eng., 2012, 2(4), 306–322.
- Brilon, W., Koenig, R. and Troutbeck, R. J., Useful estimation procedures for critical gaps. Transp. Res. Part A: Policy Pract., 1999, 33, 161–186.
- Ashalatha, R. and Chandra, S., Critical gap through clearing behaviour of drivers at un-signalised intersections. J. Civil Eng., KSCE, 2011, 15(8), 1427–1434.
- Datta, S., Modelling Critical Gaps for U-turn Vehicles at Median Openings under Indian Mixed Traffic Conditions, Department of Civil Engineering, National Institute of Technology, Rourkela, 2014.
- Datta, S. and Bhuyan, P. K., Which method is appropriateINFOGA or probability equilibrium for critical gap estimation of U-turn vehicles at median openings in urban Indian context? Institute of Research Engineers and Doctors, ISBN: 978-1-63248-028-6; doi:10.15224/978-1-63248-028-6-03-92.
- Sharma, V. K., Mondal, S. and Gupta, A., Analysis of U-turning behaviour of vehicles at mid-block median opening in six lane urban road: a case study. Int. J. Traffic Transport. Eng., 2017, 7(2), 243–255.
- Shihan, H. and Mohammed, H. K., Traffic system studies at median U-turn in Baghdad city employing u-sim model. J. Eng, Develop., 2009, 13(1).
- Dash, S., Mohapatra, S. S. and Dey, P. P., Estimation of critical gap of U-turns at uncontrolled median openings. Transp. Lett., Int. J. Transp. Res., 2017.
- Cornelie, J. G., Driel, V., Ragnhild, J. D., Martin, F. A. M. and Maarseveen, V., The effects of an edge line on speed and lateral position: a meta-analysis. Accident Analysis Prevent., 2003, 36, 671–682.
- Dey, P. P., Chandra, S. and Gangopadhaya, S., Lateral distribution of mixed traffic on two-lane roads. J. Transp. Eng., ASCE, 2006, 132, 597–600.
- Yang, J., Estimation of vehicle’s lateral position via the Lucas-Kanade optical flow method. WSEAS Trans. Syst., 2015, 11(8), ISSN: 2224–2678.
- Mahapatra, G. and Maurya, A. K., Study on lateral placement and speed of vehicles under mixed traffic condition. Proc. Natl. Conf. Recent Adv. Traffic Eng. (RATE), 2015.
- Bunker, J. M. and Parajuli, A., Examining lateral positions of cars and heavy vehicles on a two lane, two-way motorway. Transp. Eng. Australia, 2006, 10(2), 129–139.
- Mohapatra, S. S., Dey, P. P. and Chandra, S., Modelling the critical position of u-turning vehicles at uncontrolled median openings. J. Civil Eng., KSCE, 2016, 20(1), 411–420.