Navigating New Flashing Yellow Arrow Intersections

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Pop quiz:  when approaching an intersection with a flashing yellow left turn arrow  do you slow down, speed up, stop or proceed with caution?

Not even those who have recently taken a driver's test may be able to tell you.  But those light are popping up at more and more intersections in Missouri. MODOT Assistant District Engineer Tom Blair explains why the lights are changing.