尖峰減少塞車 交通局調整1300處號誌 - 台南
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By Olive
at 2021-05-05T05:51
at 2021-05-05T05:51
Table of Contents
尖峰減少塞車 交通局調整1300處號誌
南市調整1300處紅綠燈交通號誌週期,減少塞車情形 (記者洪瑞琴攝)
2021/05/05 05:30
〔記者洪瑞琴/台南報導〕為了提升台南市區尖峰時段交通車流續進,延長路段綠燈連鎖
秒數,南市交通局調整1300處交通號誌週期,減少民眾行車為了等紅綠燈而走走停停。
延長路段綠燈連鎖秒數
交通號誌週期,是指一個方向從亮綠燈開始經過黃燈、紅燈後再變綠燈的時間。考量市區
交通車流日益增加,原有上、下午尖峰120秒或130秒的號誌週期已無法滿足交通需求,交
通局考量不影響兩號誌路口間的回堵問題,交通週期酌予延長為140秒,可以達到延長綠
燈秒數連鎖作用。
減少停等號誌次數
交通局表示,南市有多種交通號誌控制器機型,號誌週期轉換補償邏輯不一致,導致經常
發生遇週期時段切換時,會造成各路口號誌有4至7分鐘的燈號不一致,民眾批評號誌不連
鎖走走停停,這次調整一併將週期切換次數從每天15次調降為6次,減少號誌切換所衍生
的號誌不連鎖問題。
交通局指出,改善上、下午尖峰時段,有效提升各幹道路段平均旅行速率3至10%,以及
減少路口停等次數10至16%;換句話說,如果相同路段回家,時間可以減少1至3分鐘。
因市區號誌路口密集,號誌管控並非單純的幹道連鎖,而是路網式連鎖運作,改善計畫看
似簡單,其實要花費很多事前準備工作。
交通局表示,除縱向路段號誌需同步連鎖,橫向路段亦需同步連鎖,所以牽一髮動全身,
延長號誌週期必須同一時間調整完畢,否則將會造成縱向同步,但橫向卻不同步而走走停
停,更新設定的路口數多達1300處,都集中在原台南市區大路口,後續將再檢視及微調綠
燈時差,讓號誌連鎖更穩定。
https://news.ltn.com.tw/news/Tainan/paper/1446847
--
南市調整1300處紅綠燈交通號誌週期,減少塞車情形 (記者洪瑞琴攝)
2021/05/05 05:30
〔記者洪瑞琴/台南報導〕為了提升台南市區尖峰時段交通車流續進,延長路段綠燈連鎖
秒數,南市交通局調整1300處交通號誌週期,減少民眾行車為了等紅綠燈而走走停停。
延長路段綠燈連鎖秒數
交通號誌週期,是指一個方向從亮綠燈開始經過黃燈、紅燈後再變綠燈的時間。考量市區
交通車流日益增加,原有上、下午尖峰120秒或130秒的號誌週期已無法滿足交通需求,交
通局考量不影響兩號誌路口間的回堵問題,交通週期酌予延長為140秒,可以達到延長綠
燈秒數連鎖作用。
減少停等號誌次數
交通局表示,南市有多種交通號誌控制器機型,號誌週期轉換補償邏輯不一致,導致經常
發生遇週期時段切換時,會造成各路口號誌有4至7分鐘的燈號不一致,民眾批評號誌不連
鎖走走停停,這次調整一併將週期切換次數從每天15次調降為6次,減少號誌切換所衍生
的號誌不連鎖問題。
交通局指出,改善上、下午尖峰時段,有效提升各幹道路段平均旅行速率3至10%,以及
減少路口停等次數10至16%;換句話說,如果相同路段回家,時間可以減少1至3分鐘。
因市區號誌路口密集,號誌管控並非單純的幹道連鎖,而是路網式連鎖運作,改善計畫看
似簡單,其實要花費很多事前準備工作。
交通局表示,除縱向路段號誌需同步連鎖,橫向路段亦需同步連鎖,所以牽一髮動全身,
延長號誌週期必須同一時間調整完畢,否則將會造成縱向同步,但橫向卻不同步而走走停
停,更新設定的路口數多達1300處,都集中在原台南市區大路口,後續將再檢視及微調綠
燈時差,讓號誌連鎖更穩定。
https://news.ltn.com.tw/news/Tainan/paper/1446847
--
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