I don't think this is controversial but HGVs tend to have even more stringent traffic laws, ones that cars don't have to follow. In my country HGVs have lower

I don't think this is controversial but HGVs tend to have even more stringent traffic laws, ones that cars don't have to follow. In my country HGVs have lower speed limits than cars, for example. I don't think this is controversial but it would be strange for cars to follow rules that only apply to HGVs.