Assessment of Multilane Highway Capacity Through Simulation Process by Considering the Effect of Behavior of Driver of a
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ORIGINAL CONTRIBUTION
Assessment of Multilane Highway Capacity Through Simulation Process by Considering the Effect of Behavior of Driver of a Vehicle Tanumoy Ghosh1
•
Sudip Kumar Roy2 • Subhamay Gangopadhyay3
Received: 3 June 2020 / Accepted: 5 October 2020 The Institution of Engineers (India) 2020
Abstract In case of a non-lane based heterogeneous traffic flow, the vehicle driver’s behavior becomes one of the major considering aspects for proper traffic maneuverability. In the present study, microscopic simulation model has been used, as it contains abundant autonomous parameters to illustrate the features of traffic flow, behavior of drivers and traffic regulatory processes. The present traffic simulation model follows two modified models based on vehicle following theories and behaviors as modified by Wiedemann. A driver in the micro-simulation model considers the preceding vehicle as well as neighboring lane vehicles in a traffic stream. The methodological description of a vehicle technically, behavior and interdependency of a driver and a vehicle as a unit is attributes of a driver and his or her vehicle in a traffic stream. Thus, hysteresis plots of relative speed against relative distance are made for aggregated leader and follower vehicles of each vehicle type based on follower vehicular category to get the calibrated coefficient of correlation parameters (CC). A new simulation model with calibrated CC
& Tanumoy Ghosh [email protected]; [email protected] Sudip Kumar Roy [email protected]; [email protected] Subhamay Gangopadhyay [email protected] 1
Indian Institute of Engineering Science and Technology, Shibpur, Howrah, West Bengal 711103, India
2
Civil Engineering Department, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, West Bengal 711103, India
3
CSIR-CRRI, Mathura Road, New Delhi, Delhi 110025, India
parameters is made to get a realistic capacity estimate of different multilane highways in Indian conditions. Keywords Heterogeneous Microscopic Simulation Hysteresis Correlation
Introduction The multilane highways are high speed roads with high traffic volume that provide unhindered traffic movement and better connectivity to various places of importance in a country. In most of the multilane interurban highways of India, the share of non-motorized traffic has become insignificant. However, the characteristics of motorized traffic on the above class of highways continue to be diverse in nature due to the fact that the motorized two wheelers and three wheelers (possessing varying size and speed characteristics) share the same road space with other vehicle types like cars, buses and varying types of goods vehicles. This situation arises due to the reason that there is no centralized monitoring system over the traffic movement and the drivers of the vehicles are also not educated enough to understand the importance of moving in a particular lane for a better traffic flow. This notable difference in the nature of the traf
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