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2 TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2 2024

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Quality of transportation infrastructure and trade facilities: opportunities and challenges in increasing trade and economic productivity

Widiatmaka Florentinus Pambudi, Prasetyo Anugrah Nur, Suherman Suherman, Sularno Heri, Cahyadi Tri, Pranyoto Pranyoto, Fitrianingsih Aryanti, Kundori Kundori, Sukrisno Sukrisno

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2024

Vol. 18 No. 3

521--528

This study seeks to develop a conceptual model for increasing the productivity of a province in Indonesia. Based on trade facilities, it is hoped that it will become a key factor or strategy to increase trade that is oriented towards increasing the productivity of the provinces in Indonesia. Model In this study, in 34 provinces in Indonesia using secondary time series data and primary cross-sectional data. Self-data analysis using Amos 25 And from the results of data analysis all hypotheses proposed in this study is accepted, it shows that trade facilities are a key strategy for increasing trade and its orientation towards productivity growth of the gross regional domestic product.

An approach to the analysis of critical elements of transport and logistics networks using graph theory

Strzelczyk Adriana, Guze Sambor

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2024

Vol. 18 No. 3

535--544

The article's primary purpose is to develop methods for determining critical nodes, arcs, and routes of transport and logistics networks. One of the proposed algorithms resolves a problem in finding the critical elements of the transport network. The second gives solutions to make alternative paths based on this criticality of the network. These tools should be helpful for transport planners, especially for dangerous, oversized, and important goods. The basis of the developed method is the domination in graphs. The proposed analysis methodology is verified on the existing infrastructure in northeastern Poland.