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All Journal Jurnal Rekayasa Sipil dan Desain Multidiciplinary Output Research for Actual and International Issue (Morfai Journal)
Muhammad Karami
University of Lampung
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An Evaluation of Shuttle Bus Operating Pattern at University of Lampung - - Alfiansyah; Sasana Putra; Aleksander Purba; Muhammad Karami
Jurnal Rekayasa Sipil dan Desain Vol 9, No 4 (2021): Edisi Desember 2021
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

This study was conducted to determine and analyze the operationalperformance of shuttle bus services within the campus, namely at theUniversity of Lampung. The data used in this study is primary data inthe form of data on the number of passengers, data up and downpassengers, and data on travel mileage.The primary data is then processed and produces data on load factor,headway time, cycle time, travel speed and frequency of shuttle busservices. To make it easier for the reader, the data is then entered intothe form of tables and graphs. From the graph results can be seen thecorrelation between the speed and distance of the service.Based on these results, it can be concluded that the average loadfactor value is 41.49%, the average cycle time is 15.6 minutes, theaverage headway is 6.125 minutes, and the service frequency is 8buses/hour.Keywords: time headway, load factor, campus bus, shuttle bus, speed,cycle time.
ANALYSIS OF THE MOST SENSITIVE TOLL ROAD SERVICE PERFORMANCE BASED ON USER PERCEPTION AND INFLUENCED FACTORS Medi Yandriguna; Muhammad Karami; Rahayu Sulistyorini; Masdar Helmi; Niken DWSBU
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 1 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v6i1.4815

Abstract

This study aims to evaluate the service performance of the Terbanggi Besar–Pematang Panggang–Kayu Agung (TERPEKA) toll road section based on user perceptions and to identify the factors influencing toll road service performance. The analysis employs the Service Quality (SERVQUAL) method and Important Performance Analysis (IPA) to measure the gap between user expectations and perceived performance, complemented by factor analysis to determine the dominant influencing factors. The results indicate that the overall service quality of the TERPEKA toll road remains unsatisfactory, as all SERVQUAL dimensions show quality (Q) values below 1. IPA results reveal several priority attributes requiring immediate improvement, particularly road surface conditions, street lighting, modern toll facilities, road geometry comfort and safety, and rest area comfort and security. Furthermore, factor analysis identifies three main factors influencing service performance—service factors, quality factors, and performance factors—which together explain 77.33% of the total variance. The service factor is the most dominant, contributing 66.131% of the variance, followed by quality and performance factors. These findings highlight the need for targeted improvements in infrastructure quality and service management to enhance user satisfaction on the TERPEKA toll road.
Co-Authors - - Alfiansyah Aleksander Purba Masdar Helmi Medi Yandriguna Niken DWSBU Rahayu Sulistyorini Sasana Putra