Browsing by Author "Dias, Charitha"
Now showing items 1-20 of 45
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Are Professional Drivers more Aggressive than General Drivers? A Case Study from Doha, Qatar
( Elsevier B.V. , 2022 , Conference)Previous studies have revealed that aggressive and reckless driving can largely affect the occurrence and severity of road crashes. There could be intentional aggressive and unsafe acts, which could significantly affect ... -
Assessment of turn signal use at two-lane roundabouts in Doha city
( Elsevier B.V , 2022 , Conference)Turn signal and lane change indicators can be identified as an effective way for drivers to communicate with each other. Additionally, the use of turn signals has significant safety implications. This study explored the ... -
Case studies on COVID-19 and environment
( Elsevier , 2021 , Book chapter)Coronavirus drastically changes people's travel behavior all over the world. This study aims to investigate the effect of people's adaptive travel behavior on greenhouse gas (GHG) emission in south Asian countries. We ... -
COVID 19 PANDEMIC: IMPACTS AND FUTURE IMPLICATIONS ON PERSONAL TRAVEL BEHAVIOR IN THE STATE OF QATAR
( Qatar University Press , 2020 , Poster)In December 2019, a novel and contagious coronavirus also known as Covid-19 outbroke in Wuhan, China. In response to the virus, many countries implemented strict travel restrictions and lockdowns to hold back the spread ... -
Crowd Dynamics, Management and Control at Tourist Attractions during Special Events: A Case Study at Souq Waqif Using Pedestride® Crowd Simulation Tool
( Qatar Univesrity Press , 2020 , Conference)"Large crowds can be expected at famous tourist attractions, e.g., Souq Waqif, during special events such as the FIFA World Cup 2022. A comprehensive understanding of crowd dynamics is extremely important in order to ... -
Crowd Evacuation through Crossing Configurations: Effect of Crossing Angles and Walking Speeds on Speed Variation and Evacuation Time
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)The design of safe and efficient pedestrian facilities necessitates the knowledge of complex human movements, such as intersecting pedestrian streams, under different conditions. This study aims to experimentally investigate ... -
Deciphering motorcyclists' decision-making: influence of variable message signs on route preferences
( Taylor and Francis Ltd. , 2024 , Article)Motorcycles, popular in developing countries for their flexibility and affordability, often exacerbate traffic issues like congestion in mixed-traffic settings. This study investigates motorcyclists' route choice behaviour ... -
Defensive or competitive Autonomous Vehicles: Which one interacts safely and efficiently with pedestrians?
( Elsevier , 2022 , Article)The emergence of Autonomous Vehicles (AVs) could provoke unexpected challenges in urban traffic environments. One such crucial challenge is the conflicts between pedestrians and AVs, particularly on unsignalized mid-block ... -
Effect of U-turns and heavy vehicles on the saturation flow rates of left-turn lanes at signalized intersections
( MDPI , 2020 , Article)© 2020 by the authors. The Saturation Flow Rate (SFR) is a primary measure that can be used when estimating intersection capacity. Further, the efficiency of signal control parameters also depends on the accuracy of assumed ... -
Empirical analysis of car-following behavior: Impacts of driver demographics, leading vehicle types, and speed limits on driver behavior and safety
( Elsevier , 2025 , Article)Car-following behavior is the most fundamental and common driving behavior and is crucial for road safety and traffic efficiency. Traffic flow dynamics are greatly affected by this behavior, and driver-related factors in ... -
Empirical evaluation of change in crash risk due to lane marking reallocation: A case study in Kochi City, Japan
( Elsevier , 2023 , Article)Lane markings are considered an essential component of a road system. As highlighted in previous studies, they are directly linked to efficiency and safety. The rearrangement or reallocation of lane markings can be an ... -
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
( Elsevier , 2021 , Article)Flooding can be considered as the most frequent type of natural disaster, and it is an unavoidable phenomenon in many parts of the world. Ensuring the safety of people during such natural disasters is extremely important. ... -
Examining access to daily functions through the lens of the 15-minute city concept in a highly populated city
( Taylor and Francis Ltd. , 2025 , Article)The concept of 15-min city has gained popularity during COVID-19 for its proximity-based services accessible by active travel in a neighborhood walk of 15-min. It has potential to enhance urban quality of life, contribute ... -
Experimental Investigation of Pedestrians Interacting with E-Scooter Riders on Residential Roads
( Elsevier , 2024 , Conference)The integration of e-scooters in urban environments particularly on residential sidewalks has raised significant concerns about pedestrian safety and comfort. Therefore, it is crucial to understand pedestrian behaviour ... -
Exploratory study on self-awareness and self-preparedness of Malaysian rail passengers for emergency evacuations
( Elsevier Ltd , 2022 , Article)This study explores the self-awareness and self-preparedness among Malaysian rail passengers during potential emergency evacuations. A questionnaire survey was carried out at a major rail transit terminal in Kuala Lumpur, ... -
Exploring Commuter's Preferences and Future Intentions to Use Ride-Sharing: A Case Study From a Developing Country
( John Wiley and Sons Ltd , 2025 , Article)This study investigates transportation choices with a specific focus on ride-sharing practices. The main aim of the study was to understand the current modes of transport, the primary reasons for choosing them, ride-sharing ... -
Exploring Crowd Management and Evacuation Strategies using Microscopic Pedestrian Simulation: A Case Study of Souq Waqif
( Qatar University Press , 2023 , Conference)Safe egress plans are critical for crowd evacuation at touristic attractions, particularly during special events, as visitors are often unaware of their options. Identification of bottlenecks in the walking spaces are vital ... -
Exploring Microscopic Characteristics of Bicycle Riders’ following Behaviors in a Single-File Movement
( MDPI , 2023 , Article)Cycling can bring a wide range of social, economic, and health benefits to individuals and communities. The safety and efficiency of bicycle facilities can be significantly impacted by the interactions among riders. This ... -
Exploring the impact of perceived in-vehicle distractions on crashes and violations: investigating the mediating effects of inside-vehicle activities
( Elsevier , 2025 , Conference)Inside-vehicle distractions have a profound impact on road safety by substantially increasing the risk of crashes and near-crash incidents. These distractions result in visual, manual, and cognitive impairments, which ... -
Exploring the impacts of COVID-19 on travel behavior and mode preferences
( ElsevierLtd. , 2020 , Article)Various measures were recommended or imposed by the governments to control the spread of COVID-19. Travel behaviors are significantly influenced due to such measures. However, people have various travel needs ranging from ...
