Traffic congestion and passenger density were frequently associated with punctuality problems on JakLingko Route 88, even though the route's operating procedures generally followed organizational standards, a qualitative study reports. The research presents the service as an integrated operational system in which service provision, passenger information and facility management are considered together. The authors say that interaction was associated with continuity, lower passenger uncertainty during disruptions, accessibility, comfort and safety, but the study did not test whether any one part caused better performance.
A route-level study
The study asked how public-service implementation on Route 88 worked through three linked dimensions: service provision, information delivery and facility management. It used a qualitative descriptive approach to examine the route in its real operational context. That makes the paper an account of reported practices and operating conditions, not a statistical estimate of performance.
Researchers collected evidence through observation without taking part, semi-structured interviews and documentation. Five key informants were selected through purposive and snowball sampling: one operational manager, two drivers and two passengers. The paper says the sample was considered sufficient on the basis of information richness and data saturation.
To analyze the material, the researchers used the Miles, Huberman and Saldaña interactive model, which moves through data condensation, data display, and conclusion drawing and verification. They also used source triangulation, method triangulation and member checking to support the trustworthiness of the account.
Where the system came under pressure
On service provision, the paper reports that operational procedures generally followed organizational standards. Even within that framework, punctuality was frequently affected by traffic congestion and passenger density. Across the wider operating picture, peak-hour passenger density and changing road conditions were also identified, alongside congestion, as contextual constraints associated with punctuality and operational efficiency.
Information about routes, fares, schedules and boarding locations was delivered through formal information media and direct staff interaction. During disruptions, staff reportedly gave timely explanations. The paper also notes occasional difficulty for first-time users in understanding route integration and transfers, recording both active communication and a gap in understanding among some passengers.
Facility management was reported to include routine inspection and cleaning, priority seating and accessibility support for vulnerable passengers. At the same time, the authors identify disability-specific accessibility as an area needing improvement. There is an important qualification: maintenance activities were reported by the manager but were not directly observed during fieldwork.
These strands form the study's central interpretation. The authors describe service provision, information delivery and facility management as an integrated operational system, and propose an Adaptive Operational Interaction Framework in which external constraints act as dynamic implementation drivers and operational mechanisms adapt through interaction. It is a conceptual framework drawn from one route, not a validated model.
The evidence and its limits
The evidence is narrow. It comes from a purposively selected Route 88 site and five informants, limiting direct transferability to other routes, operators, cities or passenger groups. No quantitative measures of punctuality, service frequency, disruption duration, passenger satisfaction, accessibility or effect size were reported, and the study included no comparison route or longitudinal assessment.
Because the study is qualitative and route-specific, it cannot show that the three mechanisms caused better service performance or quantify improvements. Its findings describe how coordination, communication and facilities were reported to operate under pressure, rather than establishing a general effect.
Future work proposed in the paper would test the framework across multiple routes and use larger, more varied samples. Mixed-method or quantitative studies could measure how congestion, communication and facilities relate to punctuality, continuity, satisfaction and accessibility. For now, the research offers a route-level account of operational coordination, not a general estimate of how well integrated transport services perform.
Paper data and sources
Original title: Operational Interaction Framework for Enhancing Public Service Performance in Integrated Urban Transportation Systems
Authors: Agung Syukroni Pinandita, Onny Fitriana Sitorus, Camelia Safitri
Journal/Repository: Indonesian Journal Economic Review (IJER)
Status: Peer-reviewed
First online: 2026-09-28
DOI: 10.59431/ijer.v6i3.934
Original paper · Full text