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U-Turn Analysis on Accident Risk Levels on Kaligangsa Road, Tegal City: Evaluasi Risiko Kecelakaan pada U-Turn: Studi Kasus Jalan Raya Kaligangsa, Kota Tegal Hilmy Dwi Saputra; Icha Berliana Navyano; Muhammad Ziddan Rezka; Bambang Istiyanto
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 7 No 1 (2025): Vol 7 No 1 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v7n1.p53-58

Abstract

This study analyzes the impact of U-turns on potential traffic accidents along Kaligangsa Highway, Tegal City, using the Traffic Conflict Technique (TCT) method. Although U-turns play a crucial role in road geometric planning, they often become critical points that may lead to accidents due to sudden vehicle maneuvers. The TCT method is applied to assess potential traffic conflicts based on vehicle speed, distance between vehicles, and road user interactions. Direct observations were conducted at several U-turn locations along the road. The analysis results indicate that the presence of U-turns significantly contributes to an increased risk of accidents, particularly during peak hours and at locations with suboptimal geometric design. Non-standard U-turn designs, unclear traffic signage, and undisciplined driver behavior further escalate the risk of traffic conflicts. Therefore, this study recommends improvements in U-turn design, enhanced traffic monitoring, and driver education to improve road safety..
Identifikasi Lokasi Rawan Kecelakaan Menggunakan Haddon’s Matrix, EAN, dan UCL di Kabupaten Tulungagung Istiyanto, Bambang; Putri, Raudina Rilawani
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1, JULI 2025
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.71536

Abstract

This study aims to identify accident-prone locations (blackspot) on the Cuwiri – Karangrejo road segment in Tulungagung Regency using the Equivalent Accident Number (EAN) and Upper Control Limit (UCL) methods. Accident data from 2021 to 2024 served as the basis for analysis. The calculation results show the highest EAN value of 870 and UCL value of 201.8, indicating a very high accident risk. Out of 23 stations, 7 were identified as blackspots with the highest EAN of 138 at STA 0+600-0+900 and UCL value of 59.27. The most common type of collision was front-rear (40 cases) and the most frequent vehicle involvement was motorcycle vs motorcycle (64 cases). The main contributing factors include human error, vehicle condition, and inadequate road infrastructure. The findings are expected to support the Tulungagung Regency Government in addressing accident-prone areas.
Kajian Literatur Analisis Kompetensi Pengemudi Mengemudikan Kendaraan Dalam Lalu Lintas Angkutan Jalan Istiyanto, Bambang
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 6 No. 1 (2019): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v6i1.39

Abstract

Mengemudi merupakan pekerjaan yang memiliki resiko yang besar, karenanyamembutuhkan kompetensi berlalulintas. Kompetensi merupakan perwujudan daripengetahuan, keterampilan, dan sikap kerja yang dimiliki oleh seseorang dalam pekerjaantertentu. Penelitian diperlukan untuk mengembangkan pengetahuan, keterampilan dan sikapbagi pengemudi dalam mengoperasikan kendaraan dijalan. Penelitian ini bertujuan untukmenganalasis kompetensi pengemudi untuk mengoperasikan kendaraan dalam berlalulintas.Metode yang dipergunakan dengan melakukan kajian teori dari beberapa penelitian yangsudah dilakukan oleh para peneliti terdahulu. Hasil dari penelitian ini merupakan kompetensipengemudi meliputi pengetahuan, keterampilan, dan sikap dalam mengoperasikan mobil dijalan. Kompetensi ini dipergunakan untuk membuat kurikulum pelatihan pengemudi.Penelitian lanjutan dibutuhkan untuk pengujian kebenaran kompetensi pada pelatihanpengemudi dan perubahan perilakunya.