Roadway Infrastructure in Various 3D Visualization Modes

Utilizing enhanced visualization in transportation planning and design gained popularity in the last decade. The proof-of-concept work aimed at demonstrating the concept of utilizing a highly immersive, virtual reality simulation engine for creating dynamic, interactive, full-scale, three-dimensional (3D) models of highway infrastructure. For that project, the highway infrastructure element chosen was a two-way, stop-controlled intersection (TWSCI). VirtuTrace, a virtual reality simulation engine developed by the principal investigator, was used to construct the dynamic 3D model of the TWSCI. The model was implemented in C6, which is Iowa State University’s Cave Automatic Virtual Environment (CAVE). This continuation of the project is threefold: (1) Utilize crash data to Identify three types of intersections with high crash rates (2) Investigate as follows: a. Develop 3D models for the intersections identified. b. Use VirtuTrace, the virtual reality simulation engine developed by the principal investigator (PI), to present full-scale, interactive simulations for the intersections, where designers can change various characteristics of the intersections and road conditions in real time. The simulation will include interactive traffic elements, too, such as various types of vehicles, traveling paths, and speeds). c. Identify a group of experts and use a focus-group approach to examine the intersections for safety deficiencies. The group will examine intersections in two visualization modes (computer monitor vs. C6 (ISU’s CAVE)) and will be asked to identify safety deficiencies and use the real-time component of the simulator to correct the deficiencies (e.g., remove a house located upstream of a two-way stop-controlled intersection or lengthen a merge lane). The simulator will allow examining the scene from a bird’s-eye view, providing a high-level perspective on the intersection and the flow of traffic. d. Data collected during the previous phase will be compared between the two modes of visualizations. The group of experts will be gathered then as a single group. They will be provided with a summary of the data and will discuss the strengths and weaknesses of the different visualization modes and provide recommendations for future efforts and directions. (3) The PI will work with the instructor of the Highway Design course in the Iowa State University Department of Construction Engineering on developing educational modules that utilize the developments.

Language

  • English

Project

  • Status: Active
  • Funding: $202701
  • Contract Numbers:

    DTRT13-G-UTC37

  • Sponsor Organizations:

    Office of the Assistant Secretary for Research and Technology

    University Transportation Centers Program
    Department of Transportation
    Washington, DC  United States  20590

    Midwest Transportation Center

    Iowa State University
    2711 S Loop Drive, Suite 4700
    Ames, IA  United States  50010-8664
  • Performing Organizations:

    Midwest Transportation Center

    Iowa State University
    2711 S Loop Drive, Suite 4700
    Ames, IA  United States  50010-8664
  • Principal Investigators:

    Keren, Nir

  • Start Date: 20150701
  • Expected Completion Date: 20161231
  • Actual Completion Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 01578152
  • Record Type: Research project
  • Source Agency: Midwest Transportation Center
  • Contract Numbers: DTRT13-G-UTC37
  • Files: UTC, RiP
  • Created Date: Oct 13 2015 4:43PM