Details:

Alternative Title:
Off-road axle detection sensor (ORADS) : occlusion feasibility study, executive summary, August 27, 1997;Off-road axle detection sensor (ORADS) occlusion feasibility study, state job no. 14669(0) : executive summary, 27 August, 1997;Off-road axle detection sensor (ORADS) occlusion feasibility study, state job no. 14669(0) : executive summary, August 27, 1997;
Creators:
Capozzi, Jerry V.
Corporate Creators:
Spectra Research
Corporate Contributors:
Ohio. Dept. of Transportation
Subject/TRT Terms:
[+]
Detectors Interference Lane Usage Laser Beams Radar Traffic Counters Traffic Estimation Traffic Flow Traffic Monitoring Traffic Volume
Publication/ Report Number:
OHIO/HWY-04/97 ; ORADS-1-970901-0FS
OHIO/HWY-04/97 ; ORADS-1-970901-0FS Less -
Resource Type:
Tech Report
Geographical Coverage:
Ohio
Edition:
Executive summary.
Corporate Publisher:
Spectra Research
Abstract:
The work accomplished under this initiative is in direct relation to the development effort proposed by Spectra Research, Inc. (S*R) for an "Off-Road Axle Detection Sensor (ORADS)". The feasibility study was performed to investigate potential occlusions that may arise from the use of a laser-radar (LADAR) based sensor configuration. This feasibility study was suggested to determine any potential risk in the development. S*R was awarded a contract to perform video analysis work over a six month period. S*R performed video tests to visually inspect situations under which occlusion may occur during peak, unidirectional traffic flow on a highly populated, multiple lane interstate. The test site was selected by ODOT representatives, 1-275 northbound at exit 46 during peak traffic times (4-6 p.m.). Data was collected for approximately one hour using two video cameras. Camera 1 was used to record on-coming traffic for lane and volume data. Camera 2 was positioned to act as the LADAR sensor to provide axle count and occlusion data. The results of this effort show that across a multiple lane roadway exhibiting high volume traffic flow, the aggregate probability of axle occlusion is 4.21%. These results were anticipated and conform to the error requirements ( 4 0%) identified by ODOT officials. Recommendation is made for further funding of the ORADS Phase II development.
Format:
PDF
Funding:
14669(0)
Collection(s):
US Transportation Collection
Main Document Checksum:
[+]
urn:sha256:d2cf56b9de38afdee5a6c88a7f66508d5bf2f0a2c80c4c691910183bd53775cc
Download URL:
https://rosap.ntl.bts.gov/view/dot/17577/dot_17577_DS1.pdf
File Type:

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