This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
vehicles above 3.5 tons longer than 7m: 50 metres distance minimum outside towns if cruising at the same speed (Code de la route R412-12 II)
it’s illegal to attempt overtaking if it would impede the flow of traffic and the relative speeds do not allow for overtaking within a sufficiently short time (Code de la route R414-4 II)
a lot of busy roads have a sign forbidding overtaking for heavy vehicles, sometimes with specific times listed.
None of it is enforced so you should always expect to be cut off.
Also of note: whenever there are random checks of trucks by police they find around 50% in violation of important regulations like rest times and the administrative situation of a work vehicle. They willfully avoid checking too much because it would mean the means of transport for 85% of freight suddenly becomes way more expensive.
In a lot of countries it is illegal.
France:
None of it is enforced so you should always expect to be cut off.
Also of note: whenever there are random checks of trucks by police they find around 50% in violation of important regulations like rest times and the administrative situation of a work vehicle. They willfully avoid checking too much because it would mean the means of transport for 85% of freight suddenly becomes way more expensive.