Related Experiment Video
Updated: Jun 25, 2026
07:30
A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
Published on: September 21, 2017
Motorcycle crash characteristics in Nigeria: implication for control
K S Oluwadiya1, I K Kolawole, O O Adegbehingbe
1Department of Surgery, Ladoke Akintola University of Technology (LAUTECH) Teaching Hospital, Osogbo, Osun State, Nigeria. oluwadiya@gmail.com
Accident; Analysis and Prevention
|February 28, 2009
Summary
Motorcycle crashes in Nigeria are often caused by rider behavior, chaotic traffic, and poor road design, especially at junctions. Prevention strategies must address these factors to reduce road traffic injuries.
Area of Science:
- Public Health
- Transportation Safety
- Epidemiology
Background:
- Motorcycle injuries are a significant public health issue in Nigeria, being the second leading cause of road traffic injuries (RTIs).
- Previous research has not specifically investigated the unique characteristics of motorcycle crash sites in Nigeria.
Purpose of the Study:
- To examine the specific characteristics of motorcycle crash sites contributing to road traffic injuries in Nigeria.
- To identify factors associated with motorcycle crashes in the Nigerian context.
Main Methods:
- A study involving the examination and interviews of 363 patients with motorcycle-related RTIs.
- Data collected from three tertiary hospitals in southwest Nigeria.
- Analysis of crash circumstances, including vehicle types, traffic interactions, road design, and rider behaviors.
Main Results:
- Most motorcycles involved were small (80-125cm3).
- Crashes frequently occurred with moving vehicles (48.5%) and involved vehicles moving against traffic (22.3%).
- Junctions without roundabouts were sites for 37.8% of crashes, compared to 5% at junctions with roundabouts. Risky practices included carrying multiple passengers (15.02%), riding without headlights at night (31.7%), and non-helmet use (96.5%).
Conclusions:
- Risky rider behavior, chaotic traffic conditions, and road design flaws are primary contributors to motorcycle crashes in Nigeria.
- Findings highlight the need for targeted interventions to improve motorcycle safety and reduce injury rates.
Related Concept Videos
01:22Controller Configurations
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller aligns...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller aligns...
01:18Hierarchy of Motor Control
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
01:13Impulse
According to Newton’s second law of motion, the rate of change of the momentum of an object is the net external force acting on it. The total change in momentum between two timepoints thus depends on both the external force acting on it and the time over which it acts. Describing this mathematically, the total change of an object’s motion is proportional to the force vector and the time over which it is applied. This product is called impulse.
Additionally, it can be shown that the total...
Additionally, it can be shown that the total...
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
01:07Time-Domain Interpretation of PD Control
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
01:24Drug Toxicity: Risk factors
Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...