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There are not lists provided by NHTSA of the changes to the DRE student and instructor manuals. Here is a dropbox link for DEOD members to access and download the DRE instructor manuals, going back to the 2007 revision: https://www.dropbox.com/sh/l0ic1u6lbnjdcsx/AAD0wnOiwB7jLInf524ScpP6a?dl=0