I had similar experiences with merges around Boston: the painted lane markings, if they were even visible, seemed to be treated as mere suggestions and people j

I had similar experiences with merges around Boston: the painted lane markings, if they were even visible, seemed to be treated as mere suggestions and people just squeezed in semi-randomly. Of course traffic barely moved, so it wasn't really dangerous, but I can imagine an automated, defensive-driving robot just waiting until the end of days.