Advanced Traffic Management System (ATMS) collects traffic information released by Advanced Traveler Information Systems (ATIS) to achieve the effect of traffic information dissemination. The Changeable Message Sign (CMS) is the most important source of traffic information for the drivers on their trips. CMS mainly displays the traffic safety messages, real-time travel time, and the traffic information through the incident response plan automatically, etc. This study provides some suggestions to CMS, like word size, brightness, display time and message display priority. By using this principle, the degree of satisfaction of road users reaches 91% (2010) by questionnaires. This study also conducts feasibility analysis of Taiwan's CMS bilingually both in Chinese and English. However, with the limitation of layout space, response time, and system conversion time and characters of being unable to choose language, CMS can not display Chinese and English at the same time. Therefore, this study tries to evaluate the optimum use of CMS. Finally, the paper selects partial CMS to display travel time in English in the road section where more foreigners will drive on.%先進交通管理系统(advanced traffic management systems,ATMS)所蒐集之交通資訊及交通管理策略,需經由先造用路人資訊系统(advanced traveler information systems,ATIS)發怖後方顯現效用,其中資訊可燮標誌(changeable message sign,CMS)為駕駛者在旅途中最重要的訊息來源.CMS主要顯示内容包括交通宣專訊息、即時路段旅行時間及透過事件反應計(壹)自勤顯示之路況資訊等,本研究釬封CMS顯示幕顯示字體大小、輝度、顯示時間,以及顯示内容研提建議.依前述原則執行後,臺灣地區高速公路用路人封CMS資訊内容的滿意度逹86.8％(2010).本研究並分析臺灣地區CMS中英文(筻)語化之可行性,受限於版面空間、反應時間、系统轉换時間及無法自由選择語言之特性,無法同時顯示中英文資訊,故建議以使用中文之用路人為主；惟國外旅客較多之路段,建議挑選部分CMS顯示英文旅行訊息,其餘路段則維持發怖中文資訊.
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