Why Suna Traffic Channel information will help you

Making sense of speed and delay messages

When you are using your navigation device with Suna Traffic Channel, you may receive delay messages. These give you the information about how the traffic on your route is flowing.

Relating your vehicle’s average speed to a warning message is simple:

On freeways we broadcast messages in steps of 10kph.
We begin broadcasting if estimated speeds drop to around 50% or less of normal ‘free-flow’ speed. ‘Stationary Traffic’ suggests crawling below 5kph. Each speed message is an average measure between freeway junctions.

On other roads although the content of warnings is similar, most delay on arterial roads occurs at intersections. Average speed therefore takes into account the time stopped at traffic lights, as well as your actual speed while moving.

Keeping you moving