Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

19.9K
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...
19.9K
Study Design in Statistics01:15

Study Design in Statistics

9.8K
A study design is a set of techniques that allow a researcher to collect and analyze data from different variables defined for a specific research problem. Statistics is commonly for effective study design and more robust experiments,
Does aspirin reduce the risk of heart attacks? Is one brand of fertilizer more effective at growing roses than another? Is fatigue as dangerous to a driver as the influence of alcohol? Questions like these are answered using randomized experiments with proper...
9.8K
Sight Distance in a Vertical Curve01:29

Sight Distance in a Vertical Curve

258
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
258
Archival Research01:40

Archival Research

16.9K
Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...
16.9K
Collisions in Multiple Dimensions: Problem Solving01:06

Collisions in Multiple Dimensions: Problem Solving

5.0K
In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
5.0K
Types of Collisions - II01:19

Types of Collisions - II

9.4K
When two or more objects collide with each other, they can stick together to form one single composite object (after collision). The total mass of the object after the collision is the sum of the masses of the original objects, and it moves with a velocity dictated by the conservation of momentum. Although the system's total momentum remains constant, the kinetic energy decreases, and thus such a collision is an inelastic collision. Most of the collisions between objects in daily life are...
9.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An Overview and Perspectives on the Materials Genome Initiative-Based Asphalt Mix Design Framework.

Materials (Basel, Switzerland)·2026
Same author

A Meta-analysis of the intervention effects of ball sports on children with autism Spectrum disorder.

Acta psychologica·2026
Same author

Sustainability in Asphalt, Concrete and Other Pavement Materials: Design, Performance, and Characterization.

Materials (Basel, Switzerland)·2026
Same author

Evaluation of Moisture Damage in Asphalt Mixtures Under Dynamic Water Pressure Using 3D Laser Scanning.

Materials (Basel, Switzerland)·2026
Same author

Characterization of Viscoelastic Performance and VOC Emission of Warm-Mixed SBS Asphalt Binder Under Different Dosages of Warm-Mixed Additive.

Materials (Basel, Switzerland)·2026
Same author

Neurophysiological mechanisms and predictive modeling of SSRI treatment response in depression disorder based on multidimensional EEG features.

Journal of affective disorders·2025

Related Experiment Video

Updated: Dec 17, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

4.0K

Understanding crashes involving roadway objects with SHRP 2 naturalistic driving study data.

Haiyan Hao1, Yingfeng Eric Li1, Alejandra Medina1

  • 1Virginia Tech Transportation Institute, 3500 Transportation Research Plaza, Blacksburg, VA 24060, United States.

Journal of Safety Research
|June 22, 2020
PubMed
Summary

Driver errors and roadway conditions significantly increase the risk of crashes involving objects and animals. Improper turns, avoiding obstacles, and distractions are key factors in crash occurrence and severity.

Keywords:
AnimalCrashFixed objectLogistic regressionNaturalistic driving studySupport vector machine

More Related Videos

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.8K
Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research
07:15

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research

Published on: December 18, 2020

4.8K

Related Experiment Videos

Last Updated: Dec 17, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

4.0K
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.8K
Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research
07:15

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research

Published on: December 18, 2020

4.8K

Area of Science:

  • Road safety
  • Traffic engineering
  • Human factors in driving

Background:

  • Crashes involving roadway objects and animals pose significant risks, causing severe injuries and property damage.
  • These events are a major concern for the public, transportation agencies, and the automotive industry.

Purpose of the Study:

  • To investigate the factors contributing to the occurrence and severity of crashes involving roadway objects and animals.
  • To identify key risk factors for developing effective safety countermeasures.

Main Methods:

  • Analysis of 2,689 events from the Strategic Highway Research Program (SHRP 2) Naturalistic Driving Study (NDS) data.
  • Utilized logistic regression, Support Vector Machine (SVM) analyses, and detailed case studies.

Main Results:

  • Driver behaviors (e.g., improper turns, avoiding obstacles, distractions) and roadway characteristics significantly influence crash occurrence and severity.
  • Factors like lighting, pavement condition, speeding, and driver fatigue also play crucial roles.
  • SVM analysis confirmed driver behavior, critical speed, struck object type, and reaction time as major determinants.

Conclusions:

  • Understanding these risk factors is essential for improving road safety.
  • Findings can inform the development of targeted roadway and vehicle-based safety strategies.