▁manufact urer ▁to ▁ensure ▁that ▁the ▁cargo ▁is ▁completely ▁secured . ▁ ▁International ▁pers pect ives ▁ ▁In ▁a ▁specific ▁country ▁the ▁roads ▁are ▁built ▁in ▁a ▁way ▁that ▁allows ▁a ▁vehicle ▁with ▁dimensions ▁within ▁the ▁standard ▁legal ▁limits ▁to ▁safely ▁( though ▁not ▁necessarily ▁easily ) ▁drive ▁and ▁turn . ▁Ro ads ▁that ▁do ▁not ▁allow ▁large ▁vehicles ▁may ▁be ▁marked ▁with ▁the ▁traffic ▁signs . ▁These ▁may ▁include ▁per - ax le ▁load , ▁height , ▁width , ▁or ▁overall ▁length ▁limits . ▁ ▁Europe ▁Tru cks ▁must ▁have ▁special ▁signs ▁of ▁" con vo i ▁exception nel " ▁and ▁lights ▁that ▁warn ▁the ▁o vers ized ▁cargo . ▁The ▁esc ort ▁car ▁has ▁also ▁special ▁signs , ▁depending ▁the ▁country ▁within ▁it ▁oper ates . ▁Special ▁perm its ▁are ▁issued ▁by ▁local ▁authorities ▁to ▁allow ▁a ▁trans porter ▁to ▁operate ▁on ▁a ▁public ▁road ▁for ▁a ▁limited ▁period ▁and ▁for ▁a ▁certain ▁and ▁given ▁route . ▁These ▁perm its ▁can ▁be ▁annual ▁in ▁different ▁European ▁countries ▁like ▁Hung ary , ▁Austria , ▁Germany , ▁France ▁etc . ▁ ▁He avy ▁transport ▁companies ▁tend ▁to ▁focus ▁on ▁renew ables , ▁civil ▁and ▁infrastr ucture , ▁off sh ore , ▁oil ▁and ▁gas , ▁heavy ▁engineering ▁and ▁power ▁generation ▁indust ries . ▁Other ▁companies ▁across ▁Europe ▁have ▁also ▁collabor ated ▁to ▁form ▁the ▁Route ▁To ▁Space ▁Alliance ▁specifically ▁for ▁providing ▁special ist ▁log istics ▁for ▁A IL ' s ▁in ▁the ▁A eros pace ▁and ▁Ast ro space ▁indust ries . ▁