Related Experiment Video
Updated: Jun 18, 2026

14:55
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
Published on: January 20, 2023
In-depth analysis of pedestrian crashes in Riyadh
Naif Al-Shammari1, Salaheddine Bendak, Saad Al-Gadhi
1Department of Mechanical and Manufacturing Engineering, College of Engineering, The University of Birmingham, Edgbaston, Birmingham, United Kingdom.
Traffic Injury Prevention
|November 17, 2009
Summary
Pedestrian crashes in Riyadh are frequent, with high fatality rates and a concentration of incidents during evening hours. Young drivers and non-Saudi pedestrians face higher risks, necessitating targeted safety interventions.
Area of Science:
- Traffic Safety
- Public Health
- Urban Planning
Background:
- Road traffic accidents (RTAs) pose significant challenges in developing countries due to data scarcity.
- Limited information on pedestrian crashes hinders efforts to reduce their occurrence.
- This study addresses the critical need for detailed analysis of pedestrian crashes in Riyadh.
Purpose of the Study:
- To investigate the causes and characteristics of pedestrian crashes in Riyadh.
- To analyze the distribution of injuries sustained by pedestrian crash victims.
- To identify demographic and behavioral factors of pedestrians and drivers involved in these incidents.
Main Methods:
- Collected data on pedestrian-involved RTAs from July 2005 to June 2008 from multiple sources.
- Gathered comprehensive details including accident circumstances, victim/driver demographics, and injury patterns.
- Utilized a dataset of 460 investigated pedestrian crashes involving 551 victims.
Main Results:
- Pedestrian crashes resulted in a high fatality rate (0.32 per accident) and predominantly involved individuals under 30.
- Incidents frequently occurred between 4:00 pm and midnight, with non-Saudis and men at higher risk.
- Head, thorax, spinal, and extremity injuries were most common, with a disproportionate number of crashes in specific city regions.
Conclusions:
- The study highlights specific risk factors and vulnerable populations in Riyadh's pedestrian crashes.
- Findings provide a basis for targeted interventions by traffic authorities, researchers, and policymakers.
- Recommendations are proposed to mitigate the risk and impact of pedestrian crashes.
Related Concept Videos
Survey Safety
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
Elastic Collisions: Case Study
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
