NEW TRAFFIC FLOW RECORDER IN USE ON CLEVELAND TRAFFIC SURVEY

A DEVICE IS DESCRIBED WHERE A CAR FLOATING WITH THE TRAFFIC CAN MEASURE AND RECORD THE SPEED AT ANY INSTANT DURING A TRIP AS WELL AS THE ELAPSED TIME AND DISTANCES SINCE THE START. IT CONSISTS, ESSENTIALLY, OF A CLOCK, SPEEDOMETER, AND ODOMETER, SO MOUNTED THAT THE THREE CAN BE PHOTOGRAPHED SIMULTANEOUSLY AT ANY INSTANT BY A MOTION PICTURE CAMERA.

• Record URL:
  https://onlinepubs.trb.org/Onlinepubs/hrbproceedings/7/7-031.pdf
• Supplemental Notes:
  • Vol 7, Part I, PP 247-258, 3 FIG, 1 PHOT. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • McKay, J G
• Publication Date: 1928

Media Info

• Media Type: Digital/other
• Monograph Title: Proceedings of the Seventh Annual Meeting of the Highway Research Board Held at Washington, D.C. December 1-2, 1927. Part I: Reports of Research Committees and of Special Investigations and Papers
• Serial:
  • Highway Research Board Proceedings
  • Volume: 7
  • Publisher: Highway Research Board

Subject/Index Terms

• TRT Terms: Distance; Speed; Time; Time lapse photography; Traffic flow
• Subject Areas: Highways; Operations and Traffic Management;

Filing Info

• Accession Number: 00227271
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Aug 1 1971 12:00AM