A QUICK, INTENSIVE DATA COLLECTION TECHNIQUE FOR APPROACH SPEED ANALYSIS

A study which was designed to analyze the effect of improving warning devices at a high accident rural grade crossing from 8-inch flashers to 12-inch flashers and automatic gates with strobe lights both actuated by Marguaradt speed predictor, evaluate suitable parameters to make the analysis, and study accident history and site conditions, used a variable speed movie camera to obtain spot speed data. The study also evaluated the data collection system. Spot speeds were made at sufficient locations to develop a speed profile as a vehicle approached the grade crossing. With this data, the vehicles rate of deceleration could be calculated and analyzed, and locations where the driver made significant speed changes is determined. Although the data collection system was effective in determining speed profiles and decelerations, several limitations became apparent. Suggestions are made for the resolution of these problems.

  • Corporate Authors:

    Institute of Traffic Engineers

    2029 K Street, NW
    Washington, DC    20006
  • Authors:
    • Russell, E R
    • Bucher, T
    • Michael, H L
  • Publication Date: 1976-5

Media Info

  • Features: Figures;
  • Pagination: p. 13-17
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00135401
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 22 1976 12:00AM