DESC: Receives Digital Information (Where Available) On Traffic And Road Construction Tie-ups And Sends It To Your Compatible Garmin Device Gives Prompt, Accurate Notification Of Accidents, Road Construction, Police Or Emergency Action, Etc. Plug-and-play Design Requires No Professional Installation Traffic Services Are Available Only In Select Cities Where Coverage Exists Subscription To The Total Traffic Network Is Required Save Drive Time, Gas And Your Sanity By Adding Traffic Services To Your Compatible Garmin.