I think I can answer your question. First, if you have EZ pass, (a electronic mointoring system), you may or may not have to enter a weigh station...
"No trucks this lane" restrictions are put in place to protect the motoring public as well as the truck drivers due to the low speed trucks travel...
Its only a matter of time until these lane violaters get caught, and when they do the fine is huge. Its all about attitude and good drivers v.s....