Marisamynathan Sankaran

• Doctor of Philosophy
• Assistant Professor at National Institute of Technology Tiruchirappalli

Speeding is one of the most common aberrant driving behaviors among the driving population. Although research on speeding behavior among drivers has been increased over the decades, little is known about the motivating factors associated with speeding behavior among Long-Haul Truck Drivers (LHTDs), especially in developing nations like India. This...

Road traffic injuries and crashes are one of the major public concerns contributing to mortality and morbidity figures across the globe. Researchers estimated that around 90% of all causative factors for crashes are attributed to road users of which drivers are the principal controlling elements. Therefore, understanding complex human driver behavi...

Introduction: Long-haul Truck drivers (LHTDs) have long working hours, insufficient rest, and poor health conditions and often experience fatigue that substantially may lead to crashes and injuries. Despite its potential harmfulness, we have little understanding on non-linear hidden patterns of influential factors on fatigue driving, especially in...

Pedestrians are considered the most vulnerable road users at intersections, and their crossing behaviors significantly impact the perception of safety. But it is very difficult to analyze pedestrian crossing behavior due to pedestrians' complex and diverse nature. Therefore, this study aimed to develop pedestrian crossing behavior and safety index...

Children are one of the most vulnerable road user groups, experiencing a higher rate of crashes and injuries in India. Children under the age of 18 account for 37.30% of fatalities in traffic accidents. Thus, the objectives of this study are to examine how various factors affect safe road crossing behaviour of Children and propose models for estima...

To mitigate environmental problems and develop sustainable modes of transport in India, the government is trying to boost the electric vehicle (EV) market by introducing policies and subsidies. However, despite all the efforts, the share of EVs on Indian roads is quite negligible. Understanding the potential barrier and potential area to improve wi...

This study aims to identify the influencing factors that affect users’ acceptance of plug-in charging stations or battery swapping stations (BSSs) facilities to charge their electric vehicles. After conducting a detailed literature review, the authors identified the motivating and demotivating factors affecting road users using the charging method...

This study aims to identify the various influencing factors that affect Individual householders’ (IHHs) decision to adopt Home-based charging (HBC) facility supported by the solar rooftop (SRT) system for EV charging. Also, this study aims to prioritize the most suitable policy options to encourage IHHs to adopt HBC and SRT facilities. For this pur...

Electric vehicles are introduced in India as an alternative to internal combustion engine vehicles to mitigate environmental pollution and ensure energy security by reducing oil imports. The central and state governments have announced several incentives/subsidies for electric vehicle adopters, but India's present electric vehicle sales are signifi...

As per statistics, two-wheeler (TW) alone shares the highest number of vehicle registrations in India, which develops the various transportation-related issues such as traffic conflicts, congestions, and pollutions. Electric two-wheelers (E-TW) are a better alternative to conventional two-wheelers because of their significant advantage in mitigatin...

Internal combustion engine vehicles (ICEVs) contribute to air pollution, and greenhouse gas emissions are a major concern globally, especially in India. To mitigate environmental problems and develop sustainable modes of transport in India, the government is trying to boost the electric vehicle (EV) market by introducing policies and subsidies. How...

Electric vehicles (EVs) are introduced to mitigate air pollution, greenhouse gas (GHG) emissions and reduce the dependency on fossil fuels. But the present EV sales are not impressive in India compared with other countries. Previous studies have attempted to identify the challenges to EV adoption based on the opinions of experts or road users. But...

The establishment needs to investigate the supply chain variables and freight trip activity to understand its impact on the freight system. With Tiruchirappalli as a study city, an Establishment-Based Freight Survey (EBFS) was conducted in the pure receiver establishments, resulting in 212 samples. The supply chain variables were categorized into t...

This study aims to investigate the rider’s mode shifting intention from motorized two-wheeler (TW or Bike) to EB using the Integrated Choice and Latent Variable model (ICLV) through the structural equation model (SEM) framework. For this purpose, rider’s socio-demographic characteristics, travel characteristics, and psychological mind-sets such as...

The objective of this study is to develop the Freight Trip Generation (FTG) models concerning establishment classification process for estimating freight trip activity. Establishment Based Freight Survey (EBFS) was performed to collect various supply chain variables involved in the urban freight system. Extensive data of 647 samples were collected...

Freight trip generation (FTG) plays an essential role in urban planning and traffic assessments for developing long-term transportation demand modeling. This study explored the spatial interaction effects on the development of FTG models for intermediate and pure receiver establishment using spatial econometric techniques. FTG models are developed...

State of the art in understanding the urban freight system is quite challenging in developing countries, and India is one of them. Consequently, there is a paucity of knowledge in comprehending the urban freight system's supply chain characteristics and its impact on operation, infrastructure, and the environment. Therefore, this study aims to anal...

The actual movements of freight vehicles demonstrate comprehensive tour activities instead of a single trip. Freight vehicle tours activity represent trip chaining relationship between shippers, receivers, and carriers as a journey of tours. In India, identifying and modeling tour activity is complex because disaggregated freight tour activity data...

The large proportions of pedestrian fatalities led researchers to make the improvements of pedestrian safety at intersections. Thus, this paper proposes a methodology to evaluate crosswalk safety at signalized intersections using Surrogate Safety Measures (SSM) under mixed traffic conditions. The required pedestrian, traffic, and geometric data wer...

Motorcycle crashes make up a large proportion of road casualties in all over the world, particularly in developing countries like India, where motorcycle ownership is high. Wearing helmet decreases the risk and severity of injuries. To increase helmet usage, government has introduced a mandatory helmet usage law for two-wheeler driver and pillion r...

Pedestrian level of service (PLOS) is an important measure of performance in the analysis of existing pedestrian crosswalk conditions. Many researchers have developed PLOS models based on pedestrian delay, turning vehicle effect, etc., using the conventional regression method. However, these factors may not effectively reflect the pedestrians’ perc...

Evolution of small, medium, and large-scale industries and national economy globalization create a necessity to develop a freight transport demand model for developing countries. In India, inappropriate policies, mixed traffic condition, inadequate information about movement of goods, and an increase in online shopping lead the urban freight transp...

Pedestrian noncompliance behavior is one of the most critical causes of pedestrian involved traffic crashes at intersections in India. Thus, the objectives of this study are to examine how various factors affect pedestrian crossing behavior and to propose models for pedestrian crossing behavior and level of safety at signalized intersections which...

The movement of pedestrians in the urban environment is a key factor in sustaining the social and economic relationships which are essential to the quality of life and maintaining a healthy life. To enhance pedestrian safety, there is a need to improve the pedestrian facilities at signalized intersections. The study objective is to develop pedestri...

Developing countries such as India need to have the proper pedestrian level of service (PLOS) criteria for various facilities to help in planning, designing, and maintaining pedestrian facilities. Thus, the objective of this study was to develop a suitable method for estimating the PLOS model under mixed traffic conditions and also to define thresh...

For the construction of new sidewalks and maintenance of existing sidewalks, the estimation of pedestrian level of service (PLOS) is needed, for which there is no proper methodology in India. The aim of this study is to propose a method for the evaluation of PLOS at sidewalk, based on quantitative and qualitative data. The required model parameters...

Enhancing pedestrian safety and improving the design standards of pedestrian facilities at signalized intersection requires a clear understanding of pedestrian delay model and pedestrian crossing behaviours under mixed traffic condition. The existing delay models do not consider the behavioural constrains of pedestrians. This research has been unde...

In India pedestrian crashes mostly occurs when pedestrians cross the road, especially at signalized intersections. This study examines various factors affecting pedestrian crossing behaviours at signalized intersections under mixed traffic conditions. The pedestrian crossing movements were captured throughvideographic survey conducted at selected 8...

A clear understanding of pedestrian crossing behavior under mixed traffic conditions is needed for providing necessary infrastructure and also for enhancing pedestrian safety at signalized intersections. This paper attempts to analyze the crossing behavior of pedestrians like crossing speed, compliance with signal, and pedestrian-vehicular interact...

Enhancing pedestrian safety and the design standards of pedestrian facilities at signalized intersections requires a clear understanding of pedestrian delay model based on pedestrian crossing behaviours under mixed traffic condition. The existing delay models have been founded on some typical situations and would not always consider the behavioural...