Do ever feel that you would like to edit a Steam Workshop map that you like to play?

I like to adjust the ‘car factor’ of maps that I play to produce an acceptable level of traffic using my personal ruleset. An excessive amount of traffic (‘car factor’ too high) simply renders a game unplayable unless you remove all your transport off road. You may also want to edit a map in other ways to facilitate game play in any way you like?

Since the Steam Workshop has stopped working this is the only way you can download Workshop maps, these will be editable by default.

The maps you have shared are still accessable in a folder on your computer (Windows).
The map folders are found in the folder (Windows) 'C:\Program Files (x86)\Steam\userdata\79832872\ugc\referenced'.
You will find the maps in the individule numbered folders within the folder, copy the maps (*.map files), [not the folders or other files in the folder] into your 'maps' folder. (C:\Users\user_name\AppData\LocalLow\Colossal Order\Cities in Motion 2\Maps)
The map names you find in the Steam folders are very long strings of text (the city name is in there somewhere).
You will want to rename the maps to a sensible name. You now play the map, you can also edit the maps if wish using the map editor.
You can add further maps from the workshop by 'subscribing' as before.