Browsing Qatar Transportation and Traffic Safety Center by Author "Pirdavani, Ali"
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Delay or travel time information? The impact of advanced traveler information systems on drivers’ behavior before freeway work zones
Nora, Reinolsmann; Alhajyaseen, Wael; Brijs, Tom; Pirdavani, Ali; Ross, Veerle; Hussain, Qinaat; Brijs, Kris... more authors ... less authors ( Elsevier , 2022 , Article)Peak travel times contribute to congestion formation at freeway work zones. Advanced Traveler Information Systems (ATIS) can inform drivers in real-time about the delays and travel times en-route and can provide information ... -
Do detection-based warning strategies improve vehicle yielding behavior at uncontrolled midblock crosswalks?
Hussain, Qinaat; Alhajyaseen, Wael K.M.; Pirdavani, Ali; Brijs, Kris; Shaaban, Khaled; Brijs, Tom... more authors ... less authors ( Elsevier Ltd , 2021 , Article)Pedestrians being the most vulnerable road users account for a large proportion of injuries and fatalities from road traffic crashes. Pedestrians are involved in around one-third of the whole fatalities coming from the ... -
Dynamic travel information strategies in advance traveler information systems and their effect on route choices along highways
Reinolsmann, Nora; Alhajyaseen, Wael; Brijs, Tom; Pirdavani, Ali; Ross, Veerle; Hussain, Qinaat; Brijs, Kris... more authors ... less authors ( 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 ... -
Improved Traffic Flow Efficiency during Yellow Interval at Signalized Intersections Using a Smart Countdown System
Hussain, Qinaat; Alhajyaseen, Wael; Brijs, Kris; Pirdavani, Ali; Brijs, Tom ( Institute of Electrical and Electronics Engineers , 2022 , Article)Inadequate and unnecessary stopping at signalized intersections reduces operational efficiency. The study aims at investigating the effect of a smart advanced warning system on driving behavior and the efficiency of ... -
Improved traffic safety at work zones through animation-based variable message signs
Almallah, Mustafa; Hussain, Qinaat; Alhajyaseen, Wael K.M.; Pirdavani, Ali; Brijs, Kris; Dias, Charitha; Brijs, Tom... more authors ... less authors ( Elsevier Ltd , 2021 , Article)Work zones are established to provide a safe environment for all road users and road workers. However, based on the statistics, they can be considered as crash prone zones due to changes in the road alignments and the ... -
Innovative countermeasures for red light running prevention at signalized intersections: A driving simulator study
Qinaat, Hussain; Alhajyaseen, Wael K.M.; Brijs, Kris; Pirdavani, Ali; Brijs, Tom ( Elsevier , 2020 , 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 ... -
Innovative countermeasures for red light running prevention at signalized intersections: A driving simulator study
Qinaat, Hussain; Alhajyaseen, Wael K.M.; Brijs, Kris; Pirdavani, Ali; Brijs, Tom ( 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 ... -
Investigating the impact of a novel active gap metering signalization strategy on driver behavior at highway merging sections
Reinolsmann, Nora; Alhajyaseen, Wael; Brijs, Tom; Pirdavani, Ali; Hussain, Qinaat; Brijs, Kris... more authors ... less authors ( Elsevier Ltd , 2021 , Article)A safe headway to the lead vehicle is important to reduce conflicts with merging vehicles from highway on-ramps. Previous research has outlined the advantage of gap metering strategies to yield sufficient space to merging ... -
Optical pavement treatments and their impact on speed and lateral position at transition zones: A driving simulator study
Hussain, Qinaat; Alhajyaseen, Wael K.M.; Reinolsmann, Nora; Brijs, Kris; Pirdavani, Ali; Wets, Geert; Brijs, Tom... more authors ... less authors ( Elsevier , 2021 , Article)Transition zones are a road section where posted speed drops from higher to lower limits. Due to the sudden changes in posted speed limits and road environment, drivers usually do not adapt to the posted speed limits and ... -
Sandstorm animations on rural expressways: The impact of variable message sign strategies on driver behavior in low visibility conditions
Reinolsmann, Nora; Alhajyaseen, Wael; Brijs, Tom; Pirdavani, Ali; Hussain, Qinaat; Brijs, Kris... more authors ... less authors ( Elsevier Ltd , 2021 , Article)Problem: Evolving sandstorms on rural expressways in desert countries impair drivers' contrast vision and increase the risk of serious crashes due to delayed speed adjustments. Intelligent Transport Systems (ITS) such as ...