Speed Measurement with Inductance Loop Speed Traps

Woods, Donald L.; Cronin, Brian P.; Hamm, Robert A.

i

Speed Measurement with Inductance Loop Speed Traps

1994-08-01
By Woods, Donald L. ; Cronin, Brian P. ; Hamm, Robert A.

File Language:

English

Details

Creators:

Woods, Donald L. ; Cronin, Brian P. ; Hamm, Robert A.
Corporate Creators:

Texas Transportation Institute. Texas A&M University
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology Transfer Office ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHW A/TX-95/1392-8
Resource Type:

Tech Report
Geographical Coverage:

United States ; Texas
Edition:

Interim: September 1993 -August 1994
Corporate Publisher:

Texas Transportation Institute. Texas A&M University
Abstract:

This research effort evaluated the use of inductance loop detectors in a freeway management situation to determine optimal speed trap distance, best wire type, shortest response time condition, and most accurate speed detection scenario. Five speed trap distances were evaluated with a variety of detector units. An optimal speed trap distance was not identifiable. However, the research consistently identified that the best method for obtaining accurate speeds requires the use of inductance loop detectors utilizing identical make and model detector units. The researchers also compared single conductor wire and multiconductor cable inductance loops for accuracy of speed measurement. It was found that the response times for multiconductor cable inductance loops are significantly shorter and more uniform than response times using loops formed with single conductor wire.
Format:

PDF
Funding:

0-1392
Download URL:

https://rosap.ntl.bts.gov/view/dot/82690/dot_82690_DS1.pdf
File Type:

[PDF - 2.17 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:0aabdd77204b5b10d3eb21757291bc0ea655d080b6c6bd102c6a11eaf761c9e1aec0333da70ebb43d17352eefe88f9dce05f8abb36bcc71d1317a9c1c82605de

File Language:

English

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