  == Rare metric signs. ==  Are metric signs in metres really rare and illegal? There is one near my house that is in metres. Could someone confirm if they are actually rare. Here is a google maps link to a sign in emtres near my house. https://maps.google.co.uk/maps?q=ll26&hl;=en&ll;=53.129419,-3.777752&spn;=0.036513,0.104628&sll;=49.5,22&sspn;=40.673602,107.138672&hnear;=LL26,+United+Kingdom&t;=m&z;=14&layer;=c&cbll;=53.129405,-3.777621&panoid;=458KEwkq2_2Vwbuo0J7RPw&cbp;=12,260.66,,1,5.49    