Downloading Autosign ENG 2017 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the Autosign ENG 2017 and 4.1. This software is a product of CGS Labs. The tool is sometimes distributed under different names, such as "Autosign by CGS". We recommend checking the downloaded files with any free antivirus. The program lies within Photo & Graphics Tools, more precisely 3D Design.
From the developer:
Autosign is a traffic signs and road markings design tool for AutoCAD Civil 3D and BricsCAD. It allows you to place traffic sign assemblies, design road markings and overhead sign supports, build interactive plans of sign placements, create reports and evaluate sign designs in your CAD drawings.
You may want to check out more software, such as AutoSignal, The Secret Order - Beyond Time ENG or Magic Gate - Faces of Darkness ENG, which might be related to Autosign ENG.