RSUs are 802.11p WLAN-based radio modules that reliably and securely transmit information such as speed limits, warnings of icy roads or other dangerous situations, traffic jams and construction warnings within a fraction of a second to passing vehicles and traffic control centers.

Source: safecarnews.com

Here’s the chicken, now we need the egg. For at least a dozen years V2X has struggled to see who would go first, the roadside infrastructure or the carmakers. If the traffic lights are sending messages to equipped cars, we get immediate value from DSRC. Let’s go!