Hiway Road informantion system

As the LED brightness increases in recent years, this makes real-time information highway billboards have another choice.

Can be simply for a single trip information provision, can also be used as part of a mutiple element  road dymatic informantion broadcast system. 

Above : Show travel time to next exit.

Above:  Shows a car accident happen, Please take No 2 Freeway if want go to the area north of Shizi(汐止).