It is now 20 years since publication of the Strategic Plan for Intelligent Vehicle Highway Systems. A select group of luminary figures of the ITS industry give their assessment of progress to date This year the IVHS Strategic Plan turns 20, signaling the graduation of the field of Intelligent Transportation Systems from its tumultuous teens to young adulthood. After two decades tethered by the cords of youth and protected by the strict control of adult institutions, ITS has reached a turning point. Its y