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

Survey Safety01:28

Survey Safety

331
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...
331
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

258
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
258
Sight Distance in a Vertical Curve01:29

Sight Distance in a Vertical Curve

264
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...
264
Elevation of Intermediate Points on Vertical Curves01:20

Elevation of Intermediate Points on Vertical Curves

212
Vertical curves are essential in roadway design because they provide smooth transitions between varying roadway grades. Designing vertical curves involves calculating intermediate elevations and identifying the curve's highest or lowest point, which is essential for optimal roadway performance.Intermediate elevations on a vertical curve are determined using the tangent offset method. This method considers the initial elevation at the start of the curve, the grades, and the curve's geometry. The...
212
Introduction to Vertical Curves01:24

Introduction to Vertical Curves

465
Vertical curves are parabolic transitions that connect different grades on highways and railroads, ensuring a smooth alignment between back and forward tangents. The back tangent represents the initial grade, while the forward tangent defines the subsequent grade. These curves can be symmetrical, with equal tangent lengths, or nonsymmetrical, with varying lengths. The key points defining a vertical curve include the Point of Vertical Intersection (P.V.I.), where the tangents meet; the Point of...
465
Introduction to Horizontal Curves01:19

Introduction to Horizontal Curves

486
Horizontal curves are essential in highway and railroad design, ensuring smooth and safe transitions between straight path segments, or tangents. These curves allow vehicles to maintain speed without abrupt changes, minimizing accidents and improving travel efficiency.A horizontal curve is typically defined by its geometric relationship to two tangents that meet at an intersection point (P.I.), where a simple curve is introduced to connect them. The back tangent refers to the initial tangent...
486

You might also read

Related Articles

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

Sort by
Same author

Training numerousness to numerosity in the dog (Canis lupus familiaris).

Journal of the experimental analysis of behavior·2025
Same author

The association between self-reported traumatic brain injury, neuropsychological function, and compliance among people serving community sentences.

Brain impairment : a multidisciplinary journal of the Australian Society for the Study of Brain Impairment·2024
Same author

Executive function in individuals who are compliant and non-compliant with the conditions of a community-based sentence.

Psychiatry, psychology, and law : an interdisciplinary journal of the Australian and New Zealand Association of Psychiatry, Psychology and Law·2023
Same author

Protected and unprotected cycle lanes' effects on cyclists' behaviour.

Accident; analysis and prevention·2022
Same author

Commuting before and after COVID-19.

Transportation research interdisciplinary perspectives·2021
Same author

Psychosocial functioning at 4-years after pediatric mild traumatic brain injury.

Brain injury·2021
Same journal

Differential sensitivity of self-reported driving and collision measures to aspects of shiftwork, sleep, and fatigue.

Accident; analysis and prevention·2026
Same journal

Delving into the visual attention of pedestrians during street crossing under time pressure: An eye-tracking approach.

Accident; analysis and prevention·2026
Same journal

Differentiating high-frequency and high-severity hotspots: A robust risk-evolution-volume (REV) framework.

Accident; analysis and prevention·2026
Same journal

Modeling takeover decisions in driving automation: a multilevel drift-diffusion model (MDDM) framework integrating human, system, and environmental factors.

Accident; analysis and prevention·2026
Same journal

The state-dependent causal effect of a V2X-based beyond-line-of-sight warning system on young driver response: a causal machine learning approach.

Accident; analysis and prevention·2026
Same journal

How conservative driving behavior increases crash risk: Understanding the systemic safety impacts of older drivers in mixed traffic flows.

Accident; analysis and prevention·2026
See all related articles

Related Experiment Video

Updated: Dec 25, 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

4.1K

Transitions within a safe road system.

Samuel G Charlton1, Nicola J Starkey1

  • 1Transport Research Group, School of Psychology, University of Waikato, New Zealand.

Accident; Analysis and Prevention
|October 3, 2018
PubMed
Summary
This summary is machine-generated.

Road markings significantly influence driver behavior during transitions between road types. A traditional dashed white centreline best prepares drivers for rural curves, improving reactions and speed control.

Keywords:
Driver expectationsDriving schemaRisk perceptionRoad categoriesRoad markingsSpeed choice

More Related Videos

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

5.2K
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

Related Experiment Videos

Last Updated: Dec 25, 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

4.1K
Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

5.2K
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

Area of Science:

  • Road Safety
  • Human Factors in Transportation
  • Traffic Engineering

Background:

  • Driver expectations heavily influence speed choices and attention.
  • Transitions between different road types necessitate changes in driver expectations.
  • Effective road markings can aid drivers in adapting to new road conditions.

Purpose of the Study:

  • To evaluate the impact of different centreline road markings on driver behavior.
  • To assess the effectiveness of markings in preparing drivers for horizontal curves on rural roads.
  • To compare driver speed choices and hazard reactions during transitions from motorways to rural roads.

Main Methods:

  • A video-based simulated driving task was employed.
  • Fifty participants were recruited for the experiment.
  • Three distinct centreline marking types were compared for their effects on speed and hazard reaction.

Main Results:

  • A complex, high-risk marking initially reduced speed most significantly during the transition.
  • A traditional dashed white centreline was associated with superior hazard reactions (braking, speed reduction) before curves.
  • Clear, unambiguous road visual cues are crucial for driver adaptation.

Conclusions:

  • The visual appearance of a road must clearly signal its type to drivers.
  • Implementing markings typical of the target road type (e.g., dashed white for rural roads) facilitates smoother transitions.
  • Traditional rural road markings appear most effective for preparing drivers for hazards on such roads.