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Weigh-in-Motion "WIM" is a new system for weighing process of trucks loading material loads which is strongly required to be operated on highways anywhere, it is required to replace Stationary Axle Weigh "SAW" system which is now used for weighing process of trucks with their loaded materials in many countries and the systems are managed by local transporting authorities. WIM holds many advantages; it can give effective results and assist to preserve roads from damages and defects more than SAW. The size of transporting materials has maximized in recent years and average of trucks numbers with extra loads has much increased. SAW is operated now but it cannot balance progressed state, millions of trucks with their loads are move now on highways worldwide, in order to make balance with new state, it is too required to use new system of WIM on highways, therefore the installation is vital issue and comparison between WIM and SAW is necessary to know their operating data. Many studies have affirmed that WIM can give greater advantages than SAW and higher quality level can be obtained because WIM consists of two stages of weighing process and contains new equipment and devices, and it can better monitor the process, and preserve roads component. SAW will lead to more time and losses, and there are many differences between them. As a new topic, the comparison between SAW and WIM is regarded as new approach to indicate their system's operating, required specific equipments, differences, and advantages of both systems. As a new tactic, the comparison between them comes via detailed data about components, installation, quality standards, and discusses their comparison elements.

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Total quality management TQM, Information systems IS, elements of TQM, maintainability attributes of IS, Compatibility model, quality level. Total quality management "TQM" is an arranged system of quality, it deals with requirements of customers and uses strategy to integrate quality discipline with other activities, it strives to provide customers with required products and services in any organization. "TQM" has eight elements in order to enhance quality level and avoid defects in other systems such as information system "IS". Here, the "IS" is an organizational arrangement of information and depends on four maintainability attributes of how such system stores, processes, manages and makes information available for use by both software and hardware systems. Four maintainability attributes of "IS" can be inserted into eight elements of "TQM" and make integration between their tasks to develop a model of compatibility in an organization, because the compatibility is a state in which two functioning systems are able to unify their tasks such as "TQM" and "IS" in one integrated system, constituting a model of compatibility. Here, this model comprises of four compound elements and several procedures. Many studies affirmed that inserting quality system into other systems leads to better control and services by 86% and 73% respectively which return as advantages to our study here, and to improve "IS" outcomes as well. As a new topic, the compatibility is regarded as a new model to increase stability, repair, restoring, and quality level of "IS" outcomes. As a new tactic, the compatibility procedures are come by the way of integrating and inserting four main attributes of maintainability of "IS" into eight key elements of "TQM".