Downloading CONTRAM 8.3 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. Commonly, this program's installer has the following filenames: c8_32.exe and cnt1.exe etc.
The program is included in Photo & Graphics Tools. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This program is an intellectual property of Mott MacDonald Ltd. and TRL. The following version: 8.3 is the most frequently downloaded one by the program users.
From the developer:
CONTRAM (CONtinuous TRaffic Assignment Model) is a suite of transport modelling software designed for transport professionals.
CONTRAM has been the leading dynamic traffic modelling software used around the world for over 20 years. It has a wide range of modelling tools for representing a variety of situations from congested urban networks to inter-urban regions.
You may want to check out more software, such as Baldor Electronic Catalog, AutoCAD OwnerGuard or Block CAD, which might be similar to CONTRAM.