Evaluation of dual-loop data accuracy using video ground truth [sic] data
By: by Nancy L Nihan, Xiaoping Zhang, Yinhai Wang.
Contributors: Wang, Yinhai.; Zhang, Xiaoping, 1973-; Transportation Northwest (Organization); Washington State Transportation Center.; Washington (State). Dept. of Transportation.; Washington State Transportation Commission. Planning and Capital Program Management.
Publisher: Transportation Northwest, Dept. of Civil Engineering, University of Washington; Washington State Department of Transportation; Available through the National Technical Information Service
Published: 2002
Place of publication: Seattle, Wash; Olympia, Wash; [Springfield, VA
Language: eng
Number of pages: 35
Subjects: Traffic flow -- Washington (State) -- Measurement; Trucks -- Washington (State) -- Speed -- Measurement; Detectors -- Evaluation
Other titles: Evaluation of dual-loop data accuracy using video ground truck data.
Notes: "March 2002."

Includes bibliographical references (p. 35).

Final research report.

Performed by Washington State Transportation Center, University of Washington, sponsored by Washington State Department of Transportation in cooperation with the Federal Highway Administration under agreement no. T1803. task 38.