Browsing Qatar Transportation and Traffic Safety Center by Publication Date
Now showing items 81-100 of 225
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Water and carbon footprint reduction potential of renewable energy in the United States: A policy analysis using system dynamics
( Elsevier , 2019 , Article)Renewable energy has gained popularity as an alternative to fossil fuels, which regularly emit large amounts of Greenhouse Gases and consume/withdraw large amounts of water, but renewable energy market penetration is still ... -
How sustainable is electric mobility? A comprehensive sustainability assessment approach for the case of Qatar
( Elsevier , 2019 , Article)Electric mobility is a trending topic around the world, and many countries are supporting electric vehicle technologies to reduce environmental impacts from transportation such as greenhouse gas emissions and air pollution ... -
Innovative countermeasures for red light running prevention at signalized intersections: A driving simulator study
( Elsevier , 2019 , Article)The change interval, which includes the yellow and all-red times, plays a crucial role in the safety and operation of signalized intersections. During this interval, drivers not only need to decide to stop or go but also ... -
Urban Traffic Monitoring and Modeling System: An IoT Solution for Enhancing Road Safety
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Qatar expects more than a million visitors during the 2022 World Cup, which will pose significant challenges. The high number of people will likely cause a rise in road traffic congestion, vehicle crashes, injuries and ... -
The State of Qatar and the United Arab Emirates
( Elsevier , 2019 , Article)This chapter discusses the principles of road traffic signal control in the State of Qatar and the United Arab Emirate (UAE). In the first section, traffic control standards used in both countries are presented with a focus ... -
Effectiveness of Speed Limit Pavement Markings at Transition Zones Along Expressways
( IEEE , 2020 , Conference Paper)Transition zones are usually equipped with speed limit signs only. Drivers usually miss the speed limit information provided through the roadside signs and travel faster than the posted speed limit. This driving simulator ... -
A vision-based zebra crossing detection method for people with visual impairments
( IEEE , 2020 , Conference Paper)Safe navigation for visually impaired is challenging without assistive technology. This paper proposes a pedestrian crossing detection approach to help visually impaired people. We introduce the use of multiple convolutional ... -
Extraction of Vehicle Turning Trajectories at Signalized Intersections Using Convolutional Neural Networks
( SpringerLink , 2020 , Article)This paper aims at developing a convolutional neural network (CNN)-based tool that can automatically detect the left-turning vehicles (right-hand traffic rule) at signalized intersections and extract their trajectories ... -
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 ... -
Nature-inspired cellular structure design for electric vehicle battery compartment: Application to crashworthiness
( MDPI AG , 2020 , Article)This paper discusses the potential of using lightweight nature-inspired cellular structured designs as energy absorbers in crashworthiness applications for electric vehicles (EV). As EVs are becoming popular with their ... -
Study of mild steel sandwich structure energy absorption performance subjected to localized impulsive loading
( MDPI AG , 2020 , Article)Extensive research focus had been given to sacrificial sandwich panels to mitigate the effects of blast loads. This is due to their ability to distribute the load and absorb a significant portion of the blast energy. This ... -
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 ... -
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 Paper)"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 ... -
Evaluating the Operational Impact of Left-Turn Exclusive Number of Lanes: A Case Study from Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Left-turning movements can significantly reduce the overall capacity of signalized intersections due to the queueing built up. Intersections with heavy left-turning volumes tend to use multiple lanes to accommodate left-turn ... -
Application of Vehicle Restraint Systems (VRSs) in the State of Qatar: A Case Study from Northern Roads
( Qatar Univesrity Press , 2020 , Conference Paper)Recent developments within Infrastructural Road Safety and especially in the Sector of Vehicle Restraint Systems (VRS) have enabled Transport Authorities to significantly reduce road fatalities and severe injuries. ... -
Emerging Transit Technology: Implementing an Urban Gondola System over Al Corniche, Doha, Qatar - A Cost Estimation Study
( Qatar Univesrity Press , 2020 , Conference Paper)Urban gondolas are a type of driverless transit vehicles, which are increasingly drawing the attention as a viable mass transit alternative in urban environments and touristic areas. The system is distinctive with high ... -
Impact of the geometric field of view on drivers’ speed perception and lateral position in driving simulators
( Elsevier , 2020 , Conference Paper)Driving simulators have become an effective tool in road safety research. In recent years, the validity of simulators raised debates concerning the extant to which driving in the simulator resembles driving in the reality. ... -
Dynamic travel information strategies in advance traveler information systems and their effect on route choices along highways
( Elsevier , 2020 , Article)Advance Traveler Information Systems (ATIS) inform drivers about traffic incidences and expected travel times/ delays en-route. An online computer study was conducted in Qatar to investigate drivers' willingness ... -
Empirical evaluation of drivers’ start-up behavior at signalized intersection using driving simulator
( Elsevier , 2020 , Article)Start-up behavior at signalized intersection mainly depends on perception reaction time of drivers to the green phase. This study investigated the start-up behavior at signalized intersections by considering reaction time, ... -
Life cycle sustainability assessment of sport utility vehicles: The case for Qatar
( Springer Verlag , 2020 , Article)Electric vehicle technologies are attractive alternatives to traditional vehicles towards achieving sustainable transportation. The adoption of these technologies has a great potential in reducing road transportation ...