▁Car ▁( flag ▁or ▁esc ort ▁car ) ▁before ▁the ▁load ▁can ▁be ▁moved ▁on ▁a ▁public ▁road way . ▁An ▁O vers ize ▁Load ▁may ▁exceed ▁one ▁or ▁all ▁normal ▁vehicle ▁dimensions ▁of ▁weight , ▁height , ▁length , ▁width ▁and / or ▁extend ▁beyond ▁the ▁commonly - recogn ized ▁per imeter ▁of ▁the ▁Load ▁vehicle . ▁All ▁Pil ot ▁C ars ▁in ▁an ▁individual ▁state ▁must ▁be ▁uniformly ▁identified ▁with ▁required ▁dur able , ▁fade - res istant ▁yellow ▁O VER SIZE ▁LO AD ▁sign ▁( on ▁ro o ft op ▁or ▁the ▁car ’ s ▁position ▁b um per ) ▁and ▁am ber ▁flash ing ▁or ▁rot ating ▁lights ▁that ▁are ▁visible ▁ 3 6 0 ° ▁and ▁at ▁least ▁ ▁away . ▁Those ▁Pil ot ▁C ars ▁may ▁leg ally ▁operate ▁ahead ▁of , ▁behind ▁or ▁in ▁any ▁position ▁relative ▁to ▁the ▁Load ▁that ▁ens ures ▁the ▁safe ▁movement ▁of ▁the ▁Load ▁vehicle ▁and ▁all ▁assist ing ▁Pil ot , ▁Police ▁and ▁Util ity ▁vehicles ▁that ▁are ▁necessary ▁for ▁the ▁move . ▁ ▁The ▁cert ified ▁Pil ot ▁Car ▁Oper ator ▁protect s ▁people , ▁vehicles ▁and ▁property ▁by ▁several ▁actions . ▁The ▁simple ▁presence ▁of ▁a ▁Pil ot ▁Car ▁war ns ▁other ▁drivers ▁and ▁ped est ri ans . ▁The ▁Le ad ▁( front ▁position ) ▁Pil ot ▁Car ▁often ▁has ▁a ▁cal ibr ated ▁High ▁P ole ▁( and ▁depending ▁upon ▁the ▁state , ▁a ▁dur able , ▁fade - res istant ▁yellow ▁sign ) ▁bol ted