THE EFFECT OF CONTRAFLOW VIOLATIONS ON ROAD PERFORMANCE AT THE U-TURN ON PEMUDA STREET KM. 4 NEAR THE SAMSAT OFFICE, KOLAKA DISTRICT, KOLAKA REGENCY

Arya Dirgantara(1*),

(1) Universitas Sembilanbelas November kolaka
(*) Corresponding Author

Abstract


The Pemuda Road section at km 4 (near the Samsat office) in Kolaka District, Kolaka Regency, Southeast Sulawesi Province, is an arterial road with a four-lane, two-way divided road type using a median (4/2 T). This road is equipped with a median and median openings to allow vehicle drivers to make U-turns. However, this location frequently experiences violations by motorcycle and car drivers who travel against the traffic flow, leading to increased side friction and a higher risk of accidents. This study uses PKJI 2014 to analyze side friction, capacity, traffic volume, and the degree of saturation. At this location, the side friction class without contraflow violations has a value of 39.4, which indicates a very low level. Meanwhile, with contraflow violations, the side friction class value increases to 174.8, indicating a low level. This side friction class value affects the capacity, as the FCHS value without contraflow violations is 0.98, while with contraflow violations, it decreases slightly to 0.97. Consequently, the degree of saturation ranges from 0.20 to 0.23, corresponding to service levels A and B.


Keywords


Contraflow,U-turn, Pemuda street, PKJI 2014.

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PUBLISHED BY :

Program Studi Teknik Sipil,
Fakultas Sains dan Teknologi,
Universitas Sembilanbelas November Kolaka

Gedung Fakultas Sains dan Teknologi Lantai 3,
Desa Popalia, Kabupaten Kolaka, Provinsi Sulawesi Tenggara, 93517
e-mail : tekniksipil_fst@usn.ac.id
e-ISSN : 3047-518X

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