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Abstract
Abstract
This study aims to analyze the relationship between road geometric parameters and traffic accident rates
with a primary focus on the influence of curve radius, road curvature, and side space on the potential for
accidents. This study uses accident data collected from various road sections to see the pattern of relationships
between geometric conditions and accident frequency. The findings show that curves with small radii, sharp
curvatures, and limited side space significantly increase the likelihood of accidents. This study also compares
the results obtained with previous studies, such as those conducted by Kriswardhana et al. (2020) and
Mahmudah et al. (2023), which found a similar relationship between suboptimal geometric design and high
accident rates. Based on the results of the analysis, it is recommended that road design improvements be made
including enlarging the curve radius, reducing the slope, and widening the side space to improve traffic safety.
This study is expected to contribute to road development planning and policies, as well as being a reference for
developers and authorities in creating safer and more sustainable road infrastructure. Thus, this study
emphasizes the importance of the suitability of road geometric design to reduce the risk of accidents and
improve the safety of road users.
Keywords: road geometric; traffic accident; road design; bend radius; road safety
Abstrak
Penelitian ini bertujuan untuk menganalisis hubungan antara parameter geometrik jalan dan tingkat
kecelakaan lalu lintas dengan fokus utama pada pengaruh radius tikungan, kelengkungan jalan, dan ruang
samping terhadap potensi terjadinya kecelakaan. Studi ini menggunakan data kecelakaan yang dikumpulkan
dari berbagai ruas jalan untuk melihat pola hubungan antara kondisi geometrik dan frekuensi kecelakaan.
Temuan menunjukkan bahwa tikungan dengan radius kecil, kelengkungan tajam, dan ruang samping yang
terbatas secara signifikan meningkatkan kemungkinan terjadinya kecelakaan. Penelitian ini juga
membandingkan hasil yang diperoleh dengan studi-studi terdahulu, seperti yang dilakukan oleh Kriswardhana
et al. (2020) dan Mahmudah et al. (2023), yang menemukan hubungan serupa antara desain geometrik yang
tidak optimal dan tingginya angka kecelakaan. Berdasarkan hasil analisis, disarankan agar dilakukan perbaikan
desain jalan yang meliputi pembesaran radius tikungan, pengurangan kelandaian, dan pelebaran ruang samping
untuk meningkatkan keselamatan lalu lintas. Penelitian ini diharapkan dapat memberikan kontribusi dalam
perencanaan dan kebijakan pembangunan jalan, serta menjadi referensi bagi pengembang dan pihak berwenang
dalam menciptakan infrastruktur jalan yang lebih aman dan berkelanjutan. Dengan demikian, penelitian ini
menegaskan pentingnya kesesuaian desain geometrik jalan untuk mengurangi risiko kecelakaan dan
meningkatkan keselamatan pengguna jalan.
Kata kunci: geometrik jalan; kecelakaan lalu lintas; desain jalan; radius tikungan; keselamatan jalan
Keywords
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