Pengaruh Panjang Antrian Simpang Bersinyal Terhadap Kinerja Simpang Tak Bersinyal (Studi Kasus: Simpang Tiga Strat A dan Simpang Tiga Jalan Nangka Kota Kupang)

TUALAKA, Theodora Ecklesia (2021) Pengaruh Panjang Antrian Simpang Bersinyal Terhadap Kinerja Simpang Tak Bersinyal (Studi Kasus: Simpang Tiga Strat A dan Simpang Tiga Jalan Nangka Kota Kupang). Undergraduate thesis, Universitas Katolik Widya Mandira.

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Abstract

An intersection is an at-grade junction where traffic conflict converges. In addition, traffic congestion and traffic delay problems are manifesting in Strat A Intersection (Timor Raya Street-Jenderal Ahmad Yani Street-Sumba Street) and Nangka Street Intersection (Timor Raya Street-Sabu Street-Nangka Street). The traffic signal coordination of Strat A Intersection has not been able to alleviate the congestion whilst caused long queues occur on to Nangka Street Intersection. Market and shop activities at Sumba Street-Sabu Street were also identified. As a result, this study is aimed to optimize the performance of the intersection in order to perform sufficiently traffic flow. Data were collected and analyzed in accordance with Indonesian Highway Capacity Manual 1997, limited to evaluating the performance of unsignalised intersection. Based on one-day reconnaissance survey, the volume and composition of traffic imposed into medium concerning the maximum traffic particularly loads during peak hours. The data were collected for one week, of which comprised into peak hours (morning and afternoon) and off-peak hours (morning and afternoon) The performance of unsignalised intersection refers to both average delay and level of service of intersections itself. In the morning and afternoon peak time period, the overall degree of saturation (DS) exceeds 0,75 with various delay (D) and level of service LOS-C. Also, in the morning and afternoon off-peak time period, the degree of saturation (DS) less than 0,75 with various delay (D) and level of service LOS-C. In accordance in order to optimize the performance of unsignalised intersections need to be served three scenarios to the existing data case. The third scenario: strictly prohibits right turn on Nangka Street-Timor Raya Street offers the best suggestion, with the level of service LOS-B.

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