council direct eec februari instal speed limit devic categori motor vehicl commun council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe object common transport polici lai common rule applic intern transport commun facilit circul vehicl growth road traffic result increas danger nuisanc present member state road safeti environment problem natur engin power heavi good vehicl buse need climb slope enabl driven level road excess speed compat specif compon vehicl brake tyre reason reason environment protect member state speed limit devic made compulsori categori motor vehicl benefici effect speed limit devic regard protect environ energi consumpt wear tear motor tyre road safeti increas devic gener speed limit devic serv purpos applianc degre technic perfect provid adequ guarante fraud step requir introduc case heaviest categori motor vehicl involv intern transport depend technic possibl experi member state extend lighter categori motor vehicl member state vehicl intend exclus carriag danger good equip speed limit devic set maximum speed lower provid direct specif case member state question allow maintain regul vehicl regist territori enhanc road safeti civil protect public accord object direct instal speed limit devic categori vehicl cover direct regist brought effect intend exclus nation transport oper entail excess cost member state made member state postpon applic articl direct vehicl concern direct affect member state prerog speed restrict provis traffic adopt direct articl purpos direct motor vehicl mean power driven vehicl fall categori list intend road wheel maximum design speed exceed km categori vehicl maximum weight exceed metric tonn categori vehicl categori understood defin annex direct eec articl member state step ensur motor vehicl categori refer articl road speed limit devic instal maximum speed set km articl member state measur ensur motor vehicl categori road equip devic set speed exce km bear mind technic toler allow present state technolog regul actual speed traffic maximum speed devic set km member state author set maximum speed devic km vehicl exclus carriag danger good regist territori articl articl applic vehicl regist januari articl applic latest januari vehicl regist januari januari vehicl exclus nation transport oper articl appli latest januari articl commun provis matter appli speed limit devic refer articl satisfi technic requir laid compet nation author speed limit devic instal workshop bodi approv member state articl requir articl appli motor vehicl arm forc civil defenc fire emerg servic forc respons maintain public order appli motor vehicl construct drive faster limit provid articl scientif test road public servic urban area articl member state bring forc law regul administr provis compli direct octob immedi inform commiss thereof provis adopt member state refer direct accompani refer time offici public procedur make refer adopt member state member state commun commiss text provis nation law adopt field cover direct articl direct address member state brussel februari council presid jorg braga de macedo oj oj oj council direct eec februari approxim law member state relat type approv motor vehicl trailer oj direct amend direct eec oj