▁in ception . ▁The ▁family ▁includes ▁the ▁B old ▁( Tem por ary ) ▁weight , ▁the ▁Sem i B old ▁( P erman ent ) ▁weight , ▁and ▁a ▁previously ▁un cons ider ed ▁Reg ular ▁( book ) ▁weight . ▁ ▁There ▁are ▁also ▁true ▁ital ics ▁for ▁each ▁weight . ▁ ▁Use ▁in ▁the ▁UK ▁ ▁The ▁Motor way ▁alphabet ▁appears ▁on ▁road ▁signs ▁on ▁motor ways ▁in ▁the ▁United ▁Kingdom , ▁and ▁is ▁used ▁for ▁route ▁numbers . ▁On ▁non - mot or way ▁roads ▁at ▁inter changes , ▁the ▁Motor way ▁type face ▁may ▁only ▁be ▁used ▁on ▁signs ▁pointing ▁in ▁a ▁direction ▁where ▁a ▁driver ▁would ▁become ▁immediately ▁subject ▁to ▁motor way ▁reg ulations . ▁All ▁other ▁text ▁on ▁UK ▁road ▁signs ▁appears ▁in ▁Transport . ▁ ▁Use ▁in ▁Ireland ▁▁▁ ▁The ▁Motor way ▁font ▁is ▁also ▁used ▁in ▁Ireland . ▁Its ▁use ▁is ▁slightly ▁different ▁from ▁that ▁in ▁the ▁UK ▁- ▁in ▁the ▁Republic , ▁motor way ▁route ▁numbers ▁are ▁always ▁in ▁Motor way ▁font , ▁whether ▁the ▁sign ▁is ▁on ▁a ▁motor way ▁or ▁not . ▁In ▁addition , ▁on ▁signs ▁ere cted ▁before ▁ 2 0 0 9 , ▁route ▁numbers ▁for ▁all - pur pose ▁roads ▁on ▁motor way ▁signs ▁were ▁in ▁Transport ▁font . ▁On ▁signs ▁ere cted ▁since ▁ 2 0 0 9 , ▁all ▁route ▁numbers ▁on ▁motor ways ▁are ▁now ▁in ▁motor way ▁font , ▁bringing ▁Ireland ▁closer ▁to ▁the ▁UK ▁practice ▁( how ever , ▁as ▁Motor way