交(jiao)(jiao)通(tong)(tong)信(xin)號燈桿的(de)(de)設置(zhi)應當符合道(dao)路(lu)交(jiao)(jiao)通(tong)(tong)安全、暢通(tong)(tong)的(de)(de)要求(qiu)和國家標準,并(bing)保持(chi)清(qing)晰(xi)、醒目、準確、完好。道(dao)路(lu)兩側及隔(ge)離(li)帶(dai)上種植(zhi)的(de)(de)樹木或者其他植(zhi)物,設置(zhi)的(de)(de)廣告牌、管(guan)線等,應當與交(jiao)(jiao)通(tong)(tong)設施保持(chi)必要的(de)(de)距離(li),不得(de)(de)遮(zhe)擋交(jiao)(jiao)通(tong)(tong)信(xin)號燈,不得(de)(de)妨礙(ai)安全視距,不得(de)(de)影響(xiang)通(tong)(tong)行(xing)。
科學(xue)設置交通信號(hao)(hao)燈(deng)(deng),如實現(xian)高峰期和低谷(gu)分(fen)時(shi)(shi)段、差異化(hua)通行(xing)時(shi)(shi)間(jian)設置,提高道(dao)(dao)路(lu)通行(xing)效率。夜間(jian)黃燈(deng)(deng)設置,如有的區縣的主干道(dao)(dao)與(yu)支路(lu)的自(zi)動(dong)調整了夜間(jian)黃燈(deng)(deng)。三(san)岔口直行(xing)道(dao)(dao)路(lu)的綠燈(deng)(deng)設置等。交通信號(hao)(hao)燈(deng)(deng)的設置,要(yao)注意合理(li)化(hua)。
直(zhi)行路(lu)口(kou)道路(lu)交通信(xin)號(hao)燈(deng)一(yi)般采用(yong)一(yi)組紅(hong)(hong)(hong)綠燈(deng),紅(hong)(hong)(hong)燈(deng)亮時(shi)(shi),直(zhi)行停(ting)止,綠燈(deng)亮時(shi)(shi),直(zhi)行通行。對于(yu)允許掉(diao)頭(tou)(tou)(tou)的(de)(de)(de)路(lu)口(kou),紅(hong)(hong)(hong)綠燈(deng)均可掉(diao)頭(tou)(tou)(tou),但一(yi)些地(di)方(fang)為了(le)保障安全(quan)可能會特別標識“紅(hong)(hong)(hong)燈(deng)時(shi)(shi)掉(diao)頭(tou)(tou)(tou)”,這個時(shi)(shi)候只能在(zai)(zai)紅(hong)(hong)(hong)燈(deng)亮時(shi)(shi)掉(diao)頭(tou)(tou)(tou)。需要(yao)(yao)特別說明(ming)的(de)(de)(de)是(shi),在(zai)(zai)路(lu)口(kou)前如果看到(dao)禁止掉(diao)頭(tou)(tou)(tou)標志的(de)(de)(de)話,說明(ming)此路(lu)口(kou)禁止掉(diao)頭(tou)(tou)(tou),務(wu)必要(yao)(yao)注意不(bu)要(yao)(yao)違反法規。
T型路(lu)口(kou)一般各有(you)一組紅、黃(huang)、綠(lv)(lv)道(dao)路(lu)交通(tong)信(xin)號燈,其(qi)中紅燈亮(liang),表(biao)示該條道(dao)路(lu)禁止(zhi)通(tong)行,但右轉(zhuan)的(de)車(che)輛不妨礙行人的(de)情況下可(ke)以(yi)通(tong)行。但要讓對面左(zuo)轉(zhuan)來的(de)車(che)先行,應為右轉(zhuan)車(che)輛不受(shou)紅燈綠(lv)(lv)燈的(de)控制(zhi)。黃(huang)燈亮(liang)已越過(guo)停止(zhi)線(xian)的(de)可(ke)以(yi)繼續(xu)行駛,綠(lv)(lv)燈亮(liang)時一切車(che)輛可(ke)以(yi)通(tong)行。轉(zhuan)彎的(de)車(che)輛不許妨礙行使的(de)車(che)輛。
十字(zi)路口至少會配備兩組道路交通(tong)(tong)信號燈(deng),一般為箭(jian)頭指(zhi)向型。掉頭車(che)輛不(bu)依賴紅(hong)綠燈(deng)情況,但很多路口直行(xing)需(xu)要過停止線(xian),則需(xu)按照左轉信號燈(deng)通(tong)(tong)行(xing),左轉時確(que)保(bao)安全。直行(xing)車(che)輛依據紅(hong)綠燈(deng)通(tong)(tong)行(xing),紅(hong)燈(deng)停、綠燈(deng)行(xing),右轉車(che)輛不(bu)依賴紅(hong)綠燈(deng),注意避讓直行(xing)車(che)輛。