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盲道砖的作用

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  盲道砖是为瞎子安全提供的行路方便道路设施。一般由三类砖铺就,一类是条形方向引路砖,引导瞎子定心前行,称为行进盲道砖,或盲道方向引路砖;一类是带有圆点的提示砖,提示盲人前面有障碍,该转弯了。称为提示盲道砖,或盲道方位引路砖;最后一类是盲道危险警告引路砖,圆点较大,警视不要超越,前面危险。