Due to the lack of a plan, there is no plan. Since they couldn't decide exactly how to do it, they are not going to do it at all.
Metric sign replacement on I-19 has been indefinitiely postponed, and the funds committed to another project. http://www.azstarnet.com/news/local/article_d7dec8f6-26f5-11df-b567-001cc4c03286.html
