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Article: Short-period counts with a focus on truck traffic estimation
- Article from:
- Institute of Transportation Engineers. ITE Journal
- Article date:
- November 1, 2002
- Author:
CopyrightCopyright Institute of Transportation Engineers Nov 2002. Provided by ProQuest LLC. (Hide copyright information)
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THIS FEATURE FOCUSES ON RELIABILITY OF TRUCK TRAFFIC ESTIMATES FROM 12-- HOUR OR SHORTER TRAFFIC COUNTS. FIFTEEN STUDY SITES LOCATED ON THE HIGHWAY NETWORK OF SASKATCHEWAN, CANADA, WERE INVESTIGATED. STUDY RESULTS INDICATE THAT THE RELIABILITY OF TRUCK VOLUME ESTIMATES IS HIGHLY SENSITIVE TO THE LENGTH OF COUNTS.
INTRODUCTION
The existing literature on short-- period traffic or vehicle classification counts indicates that highway agencies carry out such counts for a duration that ranges from less than 12 hours to several days at a time.1 A number of transportation agencies in Canada undertake shortperiod manual traffic counts for collecting information on turning movements at ...