Nauyin matakan tsaro na babbar hanya a kowace ƙafa yana ƙayyade farashin guardrail.Babban ƙayyadaddun matakan tsaro na babbar hanya ya bambanta, don haka nauyin gadin babbar hanyar kowace ƙafa ya bambanta.
Ana ƙididdige nauyin matakan tsaro na babbar hanya ta kowace ƙafa ta hanyar rarraba nauyin babban titin da tsayin duka, sannan a ninka shi da ƙafa ɗaya, kuma sakamakon haka shine nauyin gadin babbar hanyar kowace ƙafa.

Ba a gyara nauyin titin titin kan kowace ƙafa ba, saboda ƙayyadaddun bayanai da kayan aikin gadin sun bambanta, don haka nauyin ya bambanta.

Ma'aunin nauyi na matakan tsaro na babbar hanya a kowace ƙafa ya ƙanƙanta da ainihin nauyin layin tsaro, saboda ana ƙididdige nauyin ƙarfe a China bisa ga bambanci mai zuwa.

Akwai abubuwa da yawa da suka fi dacewa da tsarin tsaro, ba wai masana'anta suna amfani da kayan da ba su da kyau, amma masana'anta suna tsara su daidai da bukatun abokin ciniki, saboda dole ne abokin ciniki ya kasance yana da ƙaramin shingen tsaro da aikawa don ci gaba da samun riba a ciki. domin samun riba, ta yadda nauyin kiyaye babbar hanya a kowace ƙafa zai yi sauƙi.Bayan 2014, abubuwan da ake buƙata na ƙasa don tsaro suna da tsauri.Dole ne a kai nauyin gadin babbar hanya a kowace ƙafar ƙafa, kuma dole ne a kai ga 600 g /.