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 Experiment Videos

Congested traffic states in empirical observations and microscopic simulations

Treiber1, Hennecke, Helbing

  • 1II. Institute of Theoretical Physics, University of Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|November 23, 2000
PubMed
Summary

Traffic congestion patterns near road bottlenecks like lane closures and intersections were observed on German freeways. Simulations using the intelligent driver model reproduced these diverse traffic states, confirming a theoretical phase diagram for traffic flow.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Freezing by heating in a driven mesoscopic system

Physical review letters·2000
Same author

Femtosecond pump-probe photoelectron spectroscopy: Mapping of vibrational wave-packet motion.

Physical review. A, Atomic, molecular, and optical physics·1996
Same author

Gas-kinetic derivation of Navier-Stokes-like traffic equations.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·1996
Same author

Origin of traveling rolls in electroconvection of nematic liquid crystals.

Physical review letters·1996
Same author

Analytic expressions for the stochastic amplitude equation for Taylor-Couette flow.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·1996
Same author

Social force model for pedestrian dynamics.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·1995

Area of Science:

  • Traffic flow dynamics
  • Statistical physics of transportation systems
  • Road safety and traffic management

Background:

  • Traffic congestion is a complex phenomenon influenced by road infrastructure.
  • Previous theoretical models have described traffic flow near specific road features like on-ramps.
  • Understanding diverse congestion states is crucial for traffic optimization.

Purpose of the Study:

  • To analyze and categorize different types of traffic congestion observed near road inhomogeneities.
  • To validate a theoretical traffic phase diagram using real-world freeway data.
  • To simulate and reproduce observed congestion phenomena with a microscopic traffic model.

Main Methods:

  • Analysis of empirical traffic data from German freeways.

Related Experiment Videos

  • Simulation using a continuous microscopic single-lane model (Intelligent Driver Model).
  • Introduction of local parameter variations in the model to represent road inhomogeneities.

    • Main Results:

    • Observed congested traffic states include localized, extended, homogeneous, and oscillating patterns.
    • Coexistence of different states, such as moving and pinned clusters, was documented.
    • Simulations qualitatively reproduced all observed states, including state coexistence.
    • Local drops in road capacity were shown to mimic the effects of on-ramps.

    Conclusions:

    • Road inhomogeneities significantly influence traffic congestion states.
    • The Intelligent Driver Model effectively reproduces diverse traffic congestion phenomena.
    • A generalized theoretical phase diagram for bottlenecks is proposed, consistent with empirical findings.