An update on the situation
The completely saturated Rondeau interchange − image borrowed from DL Previous posts on the blog have caused quite a stir. So I deleted them. I will therefore try to clarify the situation, in the most readable way possible, to avoid misunderstandings: I am not abandoning the project It was never in question. On the other hand, it is certain that I cannot continue "as is", that is to say alone and with too many means...