%0 Book %A Transportation Research Board %A National Academies of Sciences, Engineering, and Medicine %E Lohrey, Eric C. %T Permanent Signs Mounted on Median Barriers %D 2014 %U https://nap.nationalacademies.org/catalog/22344/permanent-signs-mounted-on-median-barriers %> https://nap.nationalacademies.org/catalog/22344/permanent-signs-mounted-on-median-barriers %I The National Academies Press %C Washington, DC %G English %K Transportation and Infrastructure %P 36 %R doi:10.17226/22344 %X TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 465: Permanent Signs Mounted on Median Barriers reports on the current state of practice for mounting permanent highway signs on top of rigid median barriers throughout the United States.