Regarding "easily swap out" - In theory, swapping out restrictions should be a matter of checking some boxes on a web form or something, which would generate a

Regarding "easily swap out" - In theory, swapping out restrictions should be a matter of checking some boxes on a web form or something, which would generate an appropriate image and send it to a printer, with - based on a quick Google - at most a few days' turnaround time, for (possibly well) below $100 per sign. In practice, their process will probably be less efficient :)