LIFI in traffic

Soon there will be driving smart cars on European roads. Moreover, there are more and more cars on European roads. To guide all that traffic efficiently through the cities, there is a need for intelligent solutions.  
 

Challenge:

Use existing light fixtures to develop a LIFI system to communicate at least two different messages in traffic.

15-18 years old students: Make a scale model.

Young professionals: Use the IEEE standardization for LIFI.