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All Journal Inventa: Journal of Science, Technology, and Innovation Technema: Journal of Intelligent Engineering and Computing
M. Wisridani P
Universitas Ratu Samban
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analysis of Traffic Accidents in Rejang Lebong Regency Ricky Ardiansyah; M. Wisridani P
Technema: Journal of Intelligent Engineering and Computing Vol. 1 No. 2 (2026): : June: Technema: Journal of Intelligent Engineering and Computing
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

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Abstract

Traffic accidents continue to represent a significant transportation safety challenge in Rejang Lebong Regency, particularly along the Curup–Lubuk Linggau and Curup–Kepahiang corridors, where mountainous terrain, sharp curves, steep gradients, and high traffic intensity increase operational risks. This study aims to analyze the characteristics, contributing factors, and spatial distribution of traffic accidents in Rejang Lebong Regency and to identify accident-prone locations for road safety improvement. A quantitative descriptive approach integrated with spatial and statistical analysis was employed using documented accident records, roadway information, and Geographic Information System (GIS)-based mapping. The results indicate that motorcycles are the most frequently involved vehicles, while accidents are predominantly concentrated on national arterial roads with high traffic exposure. Human factors, including excessive speed, unsafe overtaking, lack of concentration, and non-compliance with traffic regulations, were identified as the primary contributors, followed by roadway geometry, vehicle conditions, and environmental influences. Black spot identification using the Equivalent Accident Number (EAN) and Upper Control Limit (UCL) methods successfully identified several high-risk road segments requiring priority engineering interventions. The findings suggest that integrating spatial analysis with engineering assessment provides a reliable framework for supporting evidence-based transportation safety management. Practical recommendations include improving road safety facilities, strengthening traffic law enforcement and public education, and implementing continuous monitoring of accident-prone locations to reduce accident frequency and severity.
Analysis of Traffic Performance on the Sapta Marga Road Section South Curup Subdistrict, Rejang Lebong Regency Jaka Malis Irawan; M. Wisridani P
Technema: Journal of Intelligent Engineering and Computing Vol. 1 No. 2 (2026): : June: Technema: Journal of Intelligent Engineering and Computing
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

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Sapta Marga Road is an important urban collector road that connects residential areas, government offices, schools, and commercial centers in South Curup Subdistrict, Rejang Lebong Regency. Increasing community activities have resulted in higher traffic demand, particularly during peak hours, potentially affecting roadway operational performance. This study aimed to analyze traffic flow characteristics, roadway capacity, degree of saturation, and Level of Service (LOS), as well as to formulate traffic engineering recommendations for improving traffic operations. An empirical field survey was conducted over three consecutive days during morning, midday, and afternoon peak periods. Primary data included traffic volume, vehicle speed, roadway geometric characteristics, side-friction conditions, and surrounding land-use activities, while the analysis was performed using the 2023 Indonesian Road Capacity Guidelines (PKJI 2023). The results indicate that Sapta Marga Road currently operates at LOS C–D, suggesting that traffic flow remains stable despite increasing operational pressure during peak periods. Moderate to high side friction caused by on-street parking, roadside commercial activities, pedestrian movements, and vehicles entering and exiting adjacent properties was identified as the primary factor reducing operational efficiency and travel speed. The study recommends improving parking management, traffic signs, pavement markings, pedestrian facilities, and road safety infrastructure to enhance roadway performance and support sustainable urban traffic management.  
Evaluation of the Density of Class A Aggregate Foundation Layers Using the Sand Cone Method on the Taba Mulan–Simpang Nangka Road Improvement Project, Bengkulu Province Gesa Fajar Nugroho; M. Wisridani P
Technema: Journal of Intelligent Engineering and Computing Vol. 1 No. 2 (2026): : June: Technema: Journal of Intelligent Engineering and Computing
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

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The Class A aggregate base course is a critical structural component of flexible pavements because its compaction quality directly influences load distribution, structural stability, and pavement service life. This study evaluated the field compaction quality of the Class A aggregate base using the Sand Cone method on the Nakau–South Sumatra Provincial Border Road Preservation Project, specifically the Taba Mulan–Simpang Nangka section, Bengkulu Province. A descriptive quantitative approach was employed using field measurements obtained from ten representative testing locations. Field dry density values determined through the Sand Cone test were compared with the laboratory maximum dry density obtained from the Modified Proctor test (2.23 g/cm³) to calculate the Degree of Compaction (DoC), which was subsequently evaluated against the Bina Marga General Specifications. The measured compaction values ranged from 99.10% to 101.79%, with an average DoC of 100.49%. Eight testing locations (80%) satisfied the minimum requirement of 100% Modified Proctor, whereas two locations (20%) recorded values slightly below the specification. Variations in compaction performance were associated with moisture content, aggregate gradation, layer thickness, roller passes, weather conditions, and construction quality control. The findings confirm that the aggregate base generally complied with national technical standards while highlighting the importance of continuous field quality control to achieve uniform compaction throughout road preservation projects.
Analisis Tingkat Kesesuaian Pintu Darurat pada Bangunan Satuan Pelayanan Pemenuhan Gizi (SPPG) di Kota Bengkulu Berdasarkan Standar Keselamatan dan Kesehatan Kerja (K3): Kajian Konseptual Berbasis Studi Literatur Riki Setiadi; M. Wisridani P
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/9xjg8637

Abstract

Emergency exit doors are critical components of building safety systems because they support rapid and safe evacuation during emergencies. This study aimed to analyze the compliance level of emergency exit doors in Satuan Pelayanan Pemenuhan Gizi (SPPG) buildings in Bengkulu City based on SNI 03-1746-2000 and Minister of Public Works Regulation No. 26/PRT/M/2008. A quantitative descriptive approach was employed using purposive sampling involving two SPPG buildings. Data were collected through direct observation using a structured checklist consisting of 17 assessment indicators, supported by semi-structured interviews and documentation. The data were analyzed using descriptive percentage statistics to determine the compliance level of five assessment aspects, namely means of egress reliability, emergency exit door requirements, evacuation routes, emergency lighting, and exit signage. The results revealed that Building A achieved a compliance level of 47.06%, while Building B achieved 41.18%, indicating that both buildings failed to meet occupational safety and health standards. Although evacuation routes generally provided access to safe areas, several deficiencies remained regarding door specifications, obstruction-free access, emergency lighting, and exit signs. Therefore, comprehensive improvements are required to enhance evacuation effectiveness and strengthen building safety management in SPPG facilities.management and improve service quality for both internal and external customers.
Co-Authors Gesa Fajar Nugroho Jaka Malis Irawan Ricky Ardiansyah Riki Setiadi