Within　the　past　decades　although　massive　amounts　of　money　and　human　resources　have　been　put　to　solve　the　traffic　congestion　problem　through　the　world,　road　congestion　still　a　persistent　major　factor　which　has　a　strong　effect　on　daily　life.　How　to　get　useful　traffic　information　is　a　big　problem,　in　the　past,　such　as　loop　detects,　video　surveillance　is　a　good　idea.　Cell　phone　information　is　available　directly　from　the　mobile　carriers,　requiring　less　installation　cost　and　labour　work　compared　to　other　methods　such　as　conventional　loop-detectors　and　resident　surveys.