You will recall the question I asked about the need for barrier protection at median crossovers during our discussion Wed afternoon. As I mentioned, this question has been raised at the director level, and I will need to report back to them within the next 2 weeks. You both provided some excellent insight and perspectives that Erik, Bill and I were very satisfied with; however, I would like to pose this question again as a consultant request for a more formal response.
Like many states, we build median crossovers during construction to shift traffic from one set of pavements to another. Occasionally, we decide to leave these crossovers in-place rather than remove them at the end of the project. A question has been raised as to whether these median crossovers should have some sort of barrier protection or just delineated. It has been suggested that we install end protected temporary concrete barrier at these crossovers as soon as possible. Others have suggested we investigate installing cable barrier at these locations. I believe that some think having a paved surface connecting the two roadways poses a greater risk for a CMC; and therefore protection is warranted. I don't believe this question is directed providing a safe, proper design for the crossovers. I think that is a separate issue.
I've been asked to report on this issue in about 2 weeks at our May Safety Engineering Executive Group meeting that is comprised mostly of directors within our Division.
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