Keywords: application software, traffic data processing, weigh-in-motion, road pavement design, traffic engineering parameters, database.

This paper presents the functionality of an application software designed to process and report weigh-in-motion traffic data. The study is focused on flexible road pavement design. The traffic data is collected by a high-speed weigh-in-motion system installed in Romania, which provides separate files for each day. The application software uses the Microsoft Access 2010 database management system, which is based on the Visual Basic for Applications programming language. Dedicated software functions were designed to provide information on a wide range of traffic engineering parameters. The application also evaluates road pavement design parameters. The main achievement of the work described in this paper is the software's ability to process, analyse and report the collected traffic data, according to the user function request. The software provides essential results and information, used in both traffic studies and pavement design, for single facilities or an entire network. A comparative flexible pavement design was carried out in two hypotheses, based on standardised design values and application-processed factors, respectively. The study used data collected between April 2013 and February 2015, concluding that different design approaches may lead to significant advantages and that the designed application software is an essential data processing tool.

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