Search
Now showing items 21-30 of 50
Analysis of the Trajectories of Left-turning Vehicles at Signalized Intersections
(
Elsevier B.V.
, 2020 , Conference Paper)
Internationally, an annual number of more than a million fatalities are caused by road traffic crashes, with particularly signalized intersections being crash prone locations within the highway system. An accumulation of ...
Are Professional Drivers more Aggressive than General Drivers? A Case Study from Doha, Qatar
(
Elsevier B.V.
, 2022 , Conference Paper)
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 School Bus Assistant’s Safety Perspective in the State of Qatar
(
Elsevier B.V.
, 2022 , Conference Paper)
School Bus Assistants (SBA) are appointed to bridge the communication gap between students and drivers, and to ensure the safety of students on the school buses. The purpose of this study is to assess the safety procedures ...
Assessment of turn signal use at two-lane roundabouts in Doha city
(
Elsevier B.V
, 2022 , Conference Paper)
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 ...
Applied Internet of Things IoT: Car monitoring system for Modeling of Road Safety and Traffic System in the State of Qatar
(
Hamad bin Khalifa University Press (HBKU Press)
, 2018 , Conference Paper)
One of the most interesting new approaches in the transportation research field is the Naturalistic Driver Behavior which is intended to provide insight into driver behavior during everyday trips by recording details about ...
The Assessment of Pedestrian-Vehicle Conflicts at Crosswalks Considering Sudden Pedestrian Speed Change Events
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Introduction: Pedestrians are vulnerable road users. In Japan, more than one-third of the fatalities in traffic crashes are pedestrians and most accidents occur as the pedestrians cross a road. To evaluate alternative ...
Variable Message Sign strategies for Congestion Warning on Motorways
(
Hamad bin Khalifa University Press (HBKU Press)
, 2018 , Conference Paper)
Introduction Motorways are the safest roads by design and regulation. Still, motorways in the European Union accounted for nearly 27,500 fatalities from 2004 to 2013 (Adminaite, Allsop, & Jost, 2015). The likelihood ...
Queue Discharge at Freeway On-Ramps Using Coordinated Operation of a Ramp Meter and an Upstream Traffic Signal
(
Elsevier
, 2020 , Conference Paper)
Ramp metering is an effective way of maintaining optimum traffic conditions and mitigating congestion on freeways. Several strategies for ramp metering exist in the literature. They are typically based on the freeway traffic ...
Exploring Crowd Management and Evacuation Strategies using Microscopic Pedestrian Simulation: A Case Study of Souq Waqif
(
Qatar University Press
, 2023 , Conference Paper)
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 ...
Application of PERS to Evaluate Walkability in State of Qatar
(
Qatar University Press
, 2023 , Conference Paper)
Well-designed pedestrian facilities are essential to promote walking among residents. These facilities also act as safe space for use of cycling and other personal mobility vehicles. In 2018, Ministry of Transport developed ...