Rubuta ci gaba ga wannan sakin layi - Ana gwada manyan matakan tsaro a cikin haɗari daidai da ɗaya ko fiye na manyan manyan gwaje-gwaje uku na haɗari don shingen motar. Waɗannan su ne PAS 68 (UK), IWA-14 (International) da ASTM (US). Ana amfani da irin waɗannan bollards don rage haɗarin motar maƙiya kuma an tsara su don karewa daga yiwuwar fashewar fashewar motar da aka yi amfani da shi (VBIED) da kuma abin hawa a matsayin makami (VAW) kamar waɗanda aka gani a cikin harin Nice.
a shekarar 2016 da kuma harin Westminster Bridge a shekarar 2017.