道(dao)(dao)(dao)路(lu)交通(tong)(tong)(tong)標(biao)(biao)志(zhi)是顯示(shi)法規及(ji)(ji)道(dao)(dao)(dao)路(lu)信息(xi)的(de)(de)圖形符(fu)號，它可以(yi)使交通(tong)(tong)(tong)法規得到形象(xiang)、具體、簡明的(de)(de)表(biao)達，大同公(gong)路(lu)安全(quan)警(jing)示(shi)標(biao)(biao)牌(pai)(pai)，同時(shi)還(huan)表(biao)達了難(nan)以(yi)用(yong)文字描述(shu)的(de)(de)內容，用(yong)以(yi)管理交通(tong)(tong)(tong)、指示(shi)行車方向以(yi)保證道(dao)(dao)(dao)路(lu)暢通(tong)(tong)(tong)與(yu)行車安全(quan)的(de)(de)設施(shi)(shi)，適用(yong)于公(gong)路(lu)、城市(shi)道(dao)(dao)(dao)路(lu)以(yi)及(ji)(ji)一切(qie)公(gong)路(lu)，具有(you)法令的(de)(de)性質，車輛、行人都必須遵守(shou)，目前社會交通(tong)(tong)(tong)的(de)(de)發展(zhan)很(hen)是步伐很(hen)快(kuai)了，很(hen)大一部分位(wei)置(zhi)都在明顯區域會放置(zhi)有(you)公(gong)路(lu)標(biao)(biao)志(zhi)牌(pai)(pai)，這(zhe)些設施(shi)(shi)通(tong)(tong)(tong)常會給我(wo)們帶來(lai)的(de)(de)保障。伴隨著社會的(de)(de)進步，各個城市(shi)的(de)(de)交通(tong)(tong)(tong)行業發展(zhan)行式也走(zou)向國際化。所有(you)的(de)(de)公(gong)路(lu)標(biao)(biao)志(zhi)牌(pai)(pai)顯著位(wei)置(zhi)上會有(you)中英互譯，公(gong)路(lu)安全(quan)警(jing)示(shi)標(biao)(biao)牌(pai)(pai)定做，以(yi)及(ji)(ji)對應(ying)的(de)(de)圖案，事實上通(tong)(tong)(tong)用(yong)的(de)(de)標(biao)(biao)志(zhi)符(fu)號很(hen)快(kuai)會成為趨勢

公(gong)(gong)(gong)(gong)路(lu)(lu)標識(shi)和標線是公(gong)(gong)(gong)(gong)路(lu)(lu)交(jiao)(jiao)(jiao)(jiao)通的(de)重要管(guan)(guan)理(li)手段，它是通過(guo)圖形、符(fu)號、顏色、文(wen)字形式傳(chuan)(chuan)遞規范化信(xin)(xin)息(xi)，為公(gong)(gong)(gong)(gong)路(lu)(lu)上行(xing)駛的(de)交(jiao)(jiao)(jiao)(jiao)通流提供了應(ying)遵循(xun)的(de)交(jiao)(jiao)(jiao)(jiao)通法(fa)律、將(jiang)交(jiao)(jiao)(jiao)(jiao)通管(guan)(guan)理(li)的(de)命(ming)令和要求傳(chuan)(chuan)遞給公(gong)(gong)(gong)(gong)路(lu)(lu)使(shi)用者，是管(guan)(guan)理(li)和疏(shu)導交(jiao)(jiao)(jiao)(jiao)通的(de)重要設施，公(gong)(gong)(gong)(gong)路(lu)(lu)交(jiao)(jiao)(jiao)(jiao)通標識(shi)應(ying)傳(chuan)(chuan)遞清(qing)晰、明確、簡潔的(de)信(xin)(xin)息(xi)，以引起公(gong)(gong)(gong)(gong)路(lu)(lu)使(shi)用者的(de)注意，公(gong)(gong)(gong)(gong)路(lu)(lu)安全(quan)警(jing)示(shi)標牌(pai)廠，并使(shi)其具(ju)有足夠的(de)發現、認讀和反應(ying)的(de)時(shi)間。公(gong)(gong)(gong)(gong)路(lu)(lu)交(jiao)(jiao)(jiao)(jiao)通標識(shi)不應(ying)傳(chuan)(chuan)遞與公(gong)(gong)(gong)(gong)路(lu)(lu)交(jiao)(jiao)(jiao)(jiao)通無關的(de)信(xin)(xin)息(xi)，如廣告信(xin)(xin)息(xi)等。

公路標識的設置要求：

1.內容(rong)相近的(de)標(biao)志(zhi)(zhi)設在同一根桿上時，應左右分(fen)開。有輔助(zhu)(zhu)標(biao)志(zhi)(zhi)的(de)主標(biao)志(zhi)(zhi)和無輔助(zhu)(zhu)標(biao)志(zhi)(zhi)的(de)標(biao)志(zhi)(zhi)并(bing)設時，原(yuan)則上應左右分(fen)開。

2.必須單獨(du)設(she)置的(de)標志(zhi)：解除限制速(su)度標志(zhi)、解除禁止(zhi)超(chao)車(che)標志(zhi)、線形誘(you)導(dao)標志(zhi)、分（合）流誘(you)導(dao)標志(zhi)、會(hui)車(che)讓行標志(zhi)、停車(che)讓行標志(zhi)、減速(su)讓行標志(zhi)。

3.有輔助(zhu)(zhu)標(biao)志(zhi)(zhi)的(de)主(zhu)(zhu)標(biao)志(zhi)(zhi)與沒有輔助(zhu)(zhu)標(biao)志(zhi)(zhi)的(de)標(biao)志(zhi)(zhi)并(bing)設時(shi)，應如圖1.2.7所示(shi)安裝(zhuang)。輔助(zhu)(zhu)標(biao)志(zhi)(zhi)須安裝(zhuang)在被說明(ming)的(de)主(zhu)(zhu)標(biao)志(zhi)(zhi)下(xia)緣，公路(lu)安全警(jing)示(shi)標(biao)牌報價，只對(dui)該標(biao)志(zhi)(zhi)起說明(ming)作(zuo)用。主(zhu)(zhu)標(biao)志(zhi)(zhi)下(xia)方的(de)輔助(zhu)(zhu)標(biao)志(zhi)(zhi)的(de)下(xia)端(duan)，距地高為200-250cm，兩側距路(lu)緣石≥250cm。當需要兩種(zhong)以上(shang)內容對(dui)主(zhu)(zhu)標(biao)志(zhi)(zhi)進行說明(ming)時(shi)，可采用組合(he)形式，但組合(he)的(de)內容不應多于三種(zhong)。