最近在高速公路上看到很多會發藍光的東西...我覺得可能好像就是弄計程收費的..如下面這邊.https://maps.google.com/maps?q=%E6%9C%A8%E6%9F%B5%E4%BA%A4%E6%B5%81%E9%81%93&hl=zh-TW&ie=UTF8&ll=24.993371,121.60964&spn=0.013614,0.051069&sll=37.0625,-95.677068&sspn=26.812565,52.382813&hq=%E6%9C%A8%E6%9F%B5%E4%BA%A4%E6%B5%81%E9%81%93&t=m&z=14&layer=c&cbll=24.993399,121.59331&panoid=FsNydpfWX7oLkT3Sv_-N2g&cbp=11,2.18,,0,1.56原來還有新聞稿.http://tw.news.yahoo.com/%E6%9C%A8%E6%9F%B5%E9%9A%A7%E9%81%93%E7%8F%BE%E8%97%8D%E5%85%89-%E6%B0%91%E7%9C%BE-%E9%96%83%E5%91%80%E9%96%83%E5%A5%BD%E6%80%AA%E7%95%B0-012411346.html