DC Rainmaker - Got a Garmin device and a Varia radar? Check this out! Here's how to start logging all the data and then create maps of the vehicle traffic around you.
![Garmin Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away, 010-02376-00, One Size : Electronics Garmin Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away, 010-02376-00, One Size : Electronics](https://m.media-amazon.com/images/I/61-uY4VbzaL._AC_SL1500_.jpg)
Garmin Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away, 010-02376-00, One Size : Electronics
![Garmin Varia RVR315, Cycling Rearview Radar with Visual and Audible Alerts for Vehicles Up to 153 Yards Away : Electronics Garmin Varia RVR315, Cycling Rearview Radar with Visual and Audible Alerts for Vehicles Up to 153 Yards Away : Electronics](https://m.media-amazon.com/images/I/61GB+mdF-6L._AC_SX522_.jpg)