Hi.
I've been playing SimCity 4 since 2015 and, since then, I've always had doubts regarding the planning of traffic systems - in this case, how to make functional and beautiful projects for streets, roads, avenues and highways - and I would have liked to know how to proceed with this question
Here are some links on the subject:
https://youtu.be/m3X-0uCV1xA
https://youtu.be/B6L_u1TaZrs
https://youtu.be/rwvSYLAamrA