The FDOT Civil 3D 2018 State Kit is now available (2017-12-22).
You probably received this announcement from FDOT.
FDOT2018 C3D 2018 & AutoCAD State Kit Release, (version 01.00.00) is now available.
Installation Guide and Download from:
There are a few things you need to do to your existing installation of Civil 3D 2018 prior to installing this new State Kit. The link in the installation guide does not give you the necessary details of what to find and what to install for updates. This short video I made for someone installing an older version of Civil 3D is applicable to what you need to look for and how to find it for Civil 3D 2018. Remember, you need to find and install service packs for AutoCAD, AutoCAD Map 3D, and AutoCAD Civil 3D. They are released separately so make a thorough search and take notes while you are searching. Your best choice and sometimes your only choice to find the latest updates are by logging into https://manage.autodesk.com Follow the advice in the video about reading the release notes for each service pack.