This website is surprisingly useful. Recently I had to decide whether I could bring my ezpass transponder on the plane, and a quick search revealed a similar pa

This website is surprisingly useful. Recently I had to decide whether I could bring my ezpass transponder on the plane, and a quick search revealed a similar page answering exactly that question. Compare that to flying in Europe where afaik most airports won't have such detailed lists of ok/not ok items, to say nothing of the national differences.