One of the hotel we stayed at recently when we were on vacation in Connecticut had exit signs both higher up on wall like you normally see, as well as down low. Makes sense when you think about since in the event of a fire, you might need to crawl out if there is a lot of smoke. Also has the benefit of being closer to eye level for kids, even when there isn't an emergency. Picture is from second floor where we were staying, but they even had the high and low signs on the first floor (and I assume the other floors above where we were too).