Development of Nova Scotia traffic census system.

Author(s)
Zaghloul, S. Kerr, J.B. & Speiran, K.
Year
Abstract

This paper was presented at the `Traffic management strategies for the future' session. An ongoing effort is underway to develop a Transportation Management Information System (TMIS) for the Nova Scotia Department of Transportation and Public Works (TPW). Four major components are integrated in TMIS, a Pavement Management System (PMS), a Bridge Management System (BMS), a Safety Management System and a Traffic Census System (TCS). This paper presents an overview of the TCS and its functions and components. TCS has three main functions: to manage and store the traffic data collected using permanent and portable traffic stations, to perform analysis on the collected data and to feed the PMS, BMS and SMS with traffic attributes. Traffic data collected using permanent Weigh-in-Motion (WIM) stations and classified traffic counters (CTC) as well as that collected using portable classified traffic counters (CTC) and unclassified traffic counters (UTC) is downloaded to TCS. Before storing this data into the TCS database, TCS performs comprehensive data checks. Data that does not pass the quality control checks are stored in a separate table (Questionable Data Table) for further consideration. The user has to either verify or reject the data stored in the questionable data table. Once this data is verified, it will be directed to the TCS database. TCS performs three levels of analysis on the data that passes the quality control checks: initial analysis of the permanent station data, analysis for model assignment, and detailed analysis for all highway segments. Results of the analysis steps, which are stored in the TCS database, are used to feed the other components of TMIS with traffic attributes. Typical traffic attributes supplied to the PMS, BMS and SMS include AADT, year and location of the traffic count, truck configurations, axle weights, speed and growth rates. These attributes are supplied for all the network segments. The source of the traffi data for these attributes are identified as) measured from the field or estimated. (A

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Publication

Library number
C 16401 (In: C 16354 CD-ROM) /10 /72 / ITRD E200817
Source

In: Strategic investments for sustainable transportation in the new millennium : proceedings of the 1999 Transportation Association of Canada TAC annual conference and exhibition, Saint John, New Brunswick, September 26 to 29, 1999, p. -

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