Wikipedia has a surprisingly (or should I be surprised?) extensive collection of articles on road signs.⁰ It’s interesting to observe, e.g., that road signs in Albania seem to be very similar to those in Italy, even though it is unlikely that there were that many standardised road signs during the Italian occupation.<p>0. <a href="https://en.wikipedia.org/wiki/Traffic_sign" rel="nofollow">https://en.wikipedia.org/wiki/Traffic_sign</a>