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All Journal Jurnal Pengabdian kepada Masyarakat Multidisiplin (JUPENGEN) Innovative Research in Civil and Environmental Engineering (IRCEE)
Ignasia Hastuti Halawa
Universitas Nias
Religion Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering

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Pengenalan Dunia Kerja Bagi Mahasiswa Teknik Sipil Untuk Mempersiapkan Lulusan Di Industri Konstruksi Dermawan Zebua; Ayler Beniah Ndraha; Ignasia Hastuti Halawa; Jun Fajar Krisman Giawa
Jurnal Pengabdian Kepada Masyarakat Multi Disiplin Vol. 1 No. 2 (2024): JUPENGEN - November
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jupengen.v1i2.48

Abstract

This community service activity aims to introduce the working world to students of the Civil Engineering Program at Universitas Widya Kartika, focusing on preparing graduates to compete in the construction industry. The activity was conducted online via Google Meet, and was attended by students from Universitas Widya Kartika. The material was delivered by an industry practitioner who provided insights into the latest construction technology developments and green building, as well as the importance of soft skills development. Evaluation results showed that this activity was highly beneficial in enhancing students' understanding of the challenges of the working world and offering practical advice on preparing for entry into the construction industry. In conclusion, this activity successfully bridged the gap between the theoretical knowledge learned in university and real-world practice, offering valuable guidance for better career preparation.      
The Effect Of Traffic Volume On Traffic Congestion Levels Along National Roads In Nias Regency, Indonesia Muhammad Haris Zalukhu; Jun Fajar Krisman Giawa; Ignasia Hastuti Halawa
Innovative Research in Civil and Environmental Engineering Vol. 3 No. 1 (2026): IRCEE - April
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/ircee.v3i1.1877

Abstract

Traffic congestion has become a major transportation challenge affecting mobility, economic activities, and regional accessibility, particularly along national roads that serve as primary transportation corridors. This study aims to analyze the effect of traffic volume on traffic congestion levels along national roads in Nias Regency, Indonesia. A quantitative descriptive approach combined with correlational analysis was employed to examine the relationship between traffic volume and roadway operational performance. Primary data were collected through manual traffic surveys conducted during morning, midday, and evening observation periods over seven consecutive days. Vehicle counts were converted into Passenger Car Units (PCU) based on the Indonesian Highway Capacity Guidelines (PKJI 2023). Traffic congestion levels were evaluated using road capacity, Volume-to-Capacity (V/C) ratio, average travel speed, and Level of Service (LOS). The influence of traffic volume on congestion was analyzed using simple linear regression. The results indicated an average traffic volume of 1,535.5 PCU/hour, an estimated road capacity of 1,850 PCU/hour, and a V/C ratio of 0.83, corresponding to Level of Service (LOS) D, which represents unstable traffic flow approaching roadway capacity. Regression analysis produced a correlation coefficient (R = 0.914) and a coefficient of determination (R² = 0.835), indicating that approximately 83.5% of the variation in traffic congestion levels could be explained by traffic volume. The statistical test confirmed that traffic volume has a significant positive effect on traffic congestion along national roads in Nias Regency (p < 0.001). The study concludes that increasing traffic demand substantially reduces roadway operational performance and recommends integrated congestion management strategies, including traffic control optimization, roadside activity regulation, parking management, and long-term infrastructure improvements to support sustainable regional transportation.
Co-Authors Ayler Beniah Ndraha Dermawan Zebua Jun Fajar Krisman Giawa Muhammad Haris Zalukhu