▁the ▁same ▁except ▁for ▁the ▁weight ing . ▁Motor way ▁P erman ent ▁is ▁the ▁standard ▁weight , ▁and ▁is ▁used ▁for ▁pale ▁text ▁on ▁a ▁dark ▁background ▁( i . e . ▁white - on - blue ▁permanent ▁motor way ▁signs ) ▁while ▁Motor way ▁Tem por ary ▁is ▁heav ier , ▁and ▁is ▁used ▁for ▁dark ▁text ▁on ▁a ▁pale ▁background ▁( i . e . ▁black - on - yellow ▁temporary ▁motor way ▁signs ). ▁Both ▁type faces ▁have ▁a ▁limited ▁character ▁set ▁- ▁only ▁containing ▁the ▁numbers ▁ 0 ▁to ▁ 9 ; ▁the ▁letters ▁" M ", ▁" A ", ▁" B ", ▁" N ", ▁" E ", ▁" S ", ▁" W "; ▁parentheses ▁(" (", ▁") "); ▁a ▁comma ▁( ", "); ▁an ▁am pers and ▁(" & "); ▁and ▁the ▁word ▁" T oll " ▁( tre ated ▁as ▁a ▁single ▁character ). ▁The ▁character ▁" T oll " ▁was ▁added ▁to ▁the ▁font ▁set ▁in ▁summer ▁ 2 0 0 7 , ▁in ▁order ▁to ▁be ▁added ▁to ▁any ▁following ▁new ▁M 6 ▁T oll ▁road ▁signs ▁on ▁the ▁motor way . ▁Pre viously ▁the ▁word ▁" T oll " ▁was ▁written ▁in ▁Transport ▁Med ium ▁adjacent ▁to ▁" M 6 " ▁written ▁in ▁Motor way ▁P erman ent . ▁ ▁A ▁full ▁character ▁set ▁of ▁the ▁Motor way ▁type face ▁was ▁completed ▁by ▁the ▁K - Type ▁found ry ▁in ▁ 2 0 1 5 , ▁almost ▁si xty ▁years ▁after ▁its