Analisis Waktu Lampu Hijau, Kapasitas Kendaaran dan Derajat Jenuh di Simpang Empat Bersinyal
DOI:
https://doi.org/10.30737/jatiunik.v3i1.803Keywords:
Congestion, Degree of Saturation, Vehicle Capacity, WebsterAbstract
Congestion has a negative impact on motorists during certain hours. Therefore it is necessary to do an analysis related to traffic with the aim to find out the optimum time of green light, vehicle capacity and degree of saturation. Observations were carried out in the collection of data related to the cycle time of green light, yellow light and red light. Data was collected for 60 minutes at an intersection on Jalan Veteran (east), Jalan Veteran (west), Jalan Kawi and Jalan Penanggungan, Kota Kediri, using the Webster method. Data is processed in terms of saturation flow, traffic flow rate, lost time, optimum cycle time, effective green time, total effective green time, green light time for each phase, actual green time, capacity of each crossing arm and degree of saturation. The results of the study are in accordance with the objectives of the actual green time on the Veteran Road from the east by 10 seconds with a capacity of 389 (kend / hour), degree of saturation 0.93, Veteran Road from the west by 11 seconds with a capacity of 357 (vehicle / hour) , saturation degree 1,07, Jalan Kawi from the north for 8 seconds, with a capacity of 260 (kend / hour), saturation degree 1.21 and a Penanggungan from the south for 11 seconds, with a capacity of 357 (kend / hour), saturation degree 1.12.
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Kemacetan menimbulkan dampak negatif bagi pengendara kendaraan di jam – jam tertentu. Oleh karena itu perlu dilakukan analisis terkait lalu lintas dengan tujuan untuk mengetahui waktu optimum lampu hijau, kapasitas kendaraan dan derajat jenuh. Dilakukan observasi yaitu pengambilan data terkait siklus waktu lampu hijau, lampu kuning dan lampu merah. Dilakukan pengambilan data selama 60 menit di persimpangan pada Jalan Veteran (timur), Jalan Veteran (barat), Jalan Kawi dan Jalan Penanggungan, Kota Kediri, menggunkan metode Webster. Data diolah terkait arus jenuh, tingkat arus lalu lintas, waktu hilang, waktu siklus optimum, waktu hijau efektif, waktu hijau efektif total, waktu lampu hijau tiap fase, waktu hijau aktual, kapasitas tiap lengan persimpangan dan derajat jenuh. Hasil penelitian sesuai dengan tujuan yaitu waktu hijau aktual yang pada Jalan Veteran dari arah timur sebesar 10 detik dengan kapasitas 389 (kend/jam), derajat jenuh 0,93, Jalan Veteran dari arah barat sebesar 11 detik dengan kapasitas 357 (kend/jam), derajat jenuh 1,07, Jalan Kawi dari arah utara sebesar 8 detik, dengan kapasitas 260 (kend/jam), derajat jenuh 1,21 dan Penanggungan dari arah selatan sebesar 11 detik, dengan kapasitas 357 (kend/jam), derajat jenuh 1,12. Â
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