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Journal : Jurnal Civil Engineering Study

Studi Kelayakan Tarif Commuter Line Arjonegoro Rute Sidoarjo Bojonegoro Muhamad Alif Rifaldi; Fithri Estikhamah; Achmad Dzulfiqar Alfiansyah
Jurnal Civil Engineering Study Vol. 5 No. 02 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i02.1443

Abstract

Bojonegoro Regency, Lamongan Regency, Gresik Regency, Surabaya City, and Sidoarjo Regency are areas with very high levels of community mobility. Many migrants from Bojonegoro and Lamongan travel to Surabaya for work and further education. One of the transportation options available is the Arjonegoro Commuter Line. This study aims to determine passenger satisfaction with the appropriateness of fares based on their ability and willingness to pay. Primary data collection was obtained by distributing questionnaires to passengers. The Ability to Pay (ATP) analysis obtained a value of Rp 10,034 and analysis using the Willingness to Pay (WTP) method obtained a value of Rp 3,539. This condition indicates that the ability to pay is greater than the willingness to pay. This indicates that the current fare can be said to be appropriate because the fare is between the ATP and WTP values.
Kajian Dampak Proyek Jalan Tol Solo-Yogyakarta Terhadap Peforma Simpang Bersinyal Kronggahan Kota Yogyakarta Hernawan Bachtiar Ramadhan; Fithri Estikhamah; Achmad Dzulfiqar Alfiansyah
Jurnal Civil Engineering Study Vol. 5 No. 02 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i02.1467

Abstract

The construction of the Solo-Yogyakarta-NYIA Kulon Progo Toll Road is expected to improve regional connectivity, but it also creates the potential for congestion at signalized intersections, such as Kronggahan Intersection. This study was conducted to evaluate the impact of toll road construction on the traffic performance of the intersection, using the Indonesian Road Capacity Guidelines (PKJI) 2023 method. Data was collected through traffic surveys in the morning and evening peak hours on four different days, then analyzed for existing conditions, road median change scenarios, and five-year projections. The results showed that the existing condition had an average degree of saturation (DJ) of 0.96 with a total delay of 112,578 seconds/smp. Changes to the road median due to toll construction increased the DJ to an average of 1.19 and the total delay jumped to 591,425 seconds/smp, accompanied by queue lengths of up to 403.65 meters. Simulation of the implementation of two phases without right turns succeeded in reducing the DJ to 0.32-0.39 and the delay to 2,448-6,754 seconds/smp. However, projections for 2030 show the DJ rising again to 1.13 due to growth in vehicle volumes. These findings emphasize the importance of adjusting geometric design and traffic management from the planning stage of toll projects so that infrastructure development can improve accessibility without causing significant congestion at local intersections. This research contributes to the development of civil engineering science, especially in the field of traffic management.