Analysis and research on the influencing factor of the road transportation network vulnerability based on the interpretative structural model

2015 ◽  
Author(s):  
Ya-qing Liu ◽  
Xu Wu
Keyword(s):  
Structural Model ◽  
Transportation Network ◽  
Influencing Factor ◽  
Network Vulnerability ◽  
Road Transportation ◽  
The Road

scholarly journals Green and Reliable Freight Routing Problem in the Road-Rail Intermodal Transportation Network with Uncertain Parameters: A Fuzzy Goal Programming Approach

2020 ◽  
Vol 2020 ◽  
pp. 1-21 ◽  
Author(s):  
Yan Sun
Keyword(s):  
Transportation Network ◽  
Mixed Integer ◽  
Programming Approach ◽  
Uncertain Parameters ◽  
Intermodal Transportation ◽  
Road Transportation ◽  
Routing Problem ◽  
The Road ◽  
Green Routing ◽  
Freight Routing

In this study, the author focuses on modeling and optimizing a freight routing problem in a road-rail intermodal transportation network that combines the hub-and-spoke and point-to-point structures. The operations of road transportation are time flexible, while rail transportation has fixed departure times. The reliability of the routing is improved by modeling the uncertainty of the road-rail intermodal transportation network. Parameters that are influenced by the real-time status of the network, including capacities, travel times, loading and unloading times, and container trains’ fixed departure times, are considered uncertain in the routing decision-making. Based on fuzzy set theory, triangular fuzzy numbers are employed to formulate the uncertain parameters as well as resulting uncertain variables. Green routing is also discussed by treating the minimization of carbon dioxide emissions as an objective. First of all, a multiobjective fuzzy mixed integer nonlinear programming model is established for the specific reliable and green routing problem. Then, defuzzification, linearization, and weighted sum method are implemented to present a crisp linear model whose global optimum solutions can be effectively obtained by the exact solution algorithm run by mathematical programming software. Finally, a numerical case is given to demonstrate how the proposed methods work. In the case, sensitivity analysis is adopted to reveal the effects of uncertainty on the routing optimization. Fuzzy simulation is then performed to help decision makers to select the best crisp route plan by determining the best confidence level shown in the fuzzy chance constraints.

scholarly journals Locational Analysis of the Distributions of Fire Extinguisher Stations in Koya With the Use of Geographic Information Systems

2021 ◽  
Vol 8 (4) ◽  
pp. 523-541
Author(s):  
Rostam Salam Aziz
Keyword(s):  
Information Systems ◽  
Geographic Information Systems ◽  
Transportation Network ◽  
Geographic Information ◽  
Road Transportation ◽  
The Road ◽  
Locational Analysis ◽  
World Standard ◽  
The Times ◽  
The Town

        The distribution and the competence of firefighting stations in koya town is one of the main problems that this town suffers from, and this led us to conduct an academic study in this respect with the use of Geographic Information Systems. This system illustrates the competence and the services of firefighting stations according to world standard in terms of the times that they take (3-5 minutes) to arrive at the destination according to the distance and the road network, so based on these criteria, the firefighting service can only cover (34%) of the town. It can be deduced that this problem mainly results from misdistribution of firefighting stations and the poor road transportation network. This study, basing on the universal standards, proposes five new firefighting stations in koya in order to be able to cover the whole town and offer a good service in this respect for the present time and for future.   

scholarly journals ROAD INFRASTRUCTURE AND SPATIAL ECONOMIC DEPENDENCE IN THE WESTERN REGION OF JAVA

2016 ◽  
Vol 29 (3) ◽  
Author(s):  
Siti Herni Rochana ◽  
B. Kombaitan ◽  
Eka Purwanda
Keyword(s):  
Transportation Network ◽  
Value Added ◽  
Western Region ◽  
Road Transportation ◽  
Economic Dependence ◽  
West Java ◽  
Road Infrastructure ◽  
The Road ◽  
Per Capita ◽  
The Western Region

The western region of the island of Java consists of three provinces, namely: West Java, Banten, and Jakarta, is a region that contributes significantly to the GDP of Indonesia. In 2010 the contribu-tion of the three provinces was 33.94% of the total GDP, and the remaining 66.06% came from the other 30 provinces. In spite of its high contribution, in terms of the value added by the western region of Java, there are inequalities between the regions. In the year 2010, Jakarta’s per capita income was ten times, or more, than that of Lebak. The existence of this problem in the income disparity between the regions in western Java raises questions relating to the spatial economic dependence of the west-ern region of Java. The unit analysis of the research is all the districts/cities in West Java, Banten, and Jakarta. The measurement used for the spatial economic dependence is Moran’s Index. Spatial varia-bles were comprised in the spatial weight matrix (matrix-W), which was formed using three approach-es: based on the distance, the neighbourhood, and the road transportation network. The economic variables in this study are the level of income per capita and economic growth. The results showed spatial economic dependence, based on distance and neighbourhood, tended to be low. Whereas, the spatial economic dependence based on road connectivity, especially freeways, showed a moderate correlation.Keywords: road infrastructure, spatial economic dependence, Moran’s Index, western region of Java.

scholarly journals A Comprehensive Study of Project Risks in Road Transportation Networks under CPEC

2019 ◽  
Vol 7 (3) ◽  
pp. 41 ◽  
Author(s):  
Sajjad Alam ◽  
Zhijun Yin ◽  
Ahmad Ali ◽  
Sikander Ali ◽  
Abdul Noor ◽  
...  
Keyword(s):  
Development Strategy ◽  
Delphi Technique ◽  
Transportation Network ◽  
Political Stability ◽  
Chinese Government ◽  
Road Transportation ◽  
Oil Pipeline ◽  
The Road ◽  
Stakeholder Support ◽  
The Impact

The China–Pakistan economic corridor (CPEC) is a collection of different ongoing projects including transportation, infrastructure, the Gwadar seaport, oil pipeline, and internet connection zone projects. The Chinese government has adopted a development strategy for infrastructure growth and investment in Pakistani and Asian territories through the CPEC project. Transportation is considered the backbone of the CPEC. In addition to the CPEC project is the linked “belt and road initiative” (BRI) project, which aims to enhance regional connectivity and is a harbinger of the future in Asia, as well as in European countries. However, uncertain situations, such as a lack of proper planning, security, and political stability, hinder the growth and development of infrastructure. Three corridors of the CPEC road transportation network, namely, the eastern, the western, and future central alignment, have been examined through a master supposition group using the Delphi technique, which has never been applied to the road transportation network in the CPEC plan. The review is designed to draw master conclusions and demonstrate an outcome for round one and two in the present work. Round one and two investigate the impact of stakeholder support, politicians’ roles, terrorism, security situations, poverty, and economic crises. Using the Delphi technique within the host country hinders the construction of the road network. The results obtained through the appraisal have justified the present potential endeavor.

scholarly journals Penataan Jaringan Jalan Di Desa Sitamiang Dalam Mencapai Pariwisata Berkelanjutan Kabupaten Toba Samosir

2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Ahmad Nizar Simatupang ◽  
DwiraNirfalini Aulia
Keyword(s):  
Road Network ◽  
Transportation Network ◽  
Primary Data ◽  
Road Transportation ◽  
The Road ◽  
Photo Documentation ◽  
Qualitative Descriptive ◽  
Survey Results ◽  
The Village ◽  
North Sumatra

Desa Sitamiang adalah Desa yang terletak di Kecamatan Onan Runggu Kabupaten Samosir Sumatera Utara. Desa Sitamiang merupakan salah satu desa dengan daya tarik wisata yang tinggi karena terletak di pinggiran Danau Toba dalam keadaan ini Desa Sitamiang ini belum mempunyai jaringan jalan transportasi yang layak dan mempuni.  Jalan Desa hanya berupa tanah dengan lebar 3,5 m dan panjang 2,8 Km. Sehingga perlu disegerakan Pembangunan jaringan jalan, dengan rancangan jalan mempunyai lebar 7 m dan panjang 2,8 Km. Penelitian ini merupakan penelitian deskristif kualitatif data Primer diperoleh dengan metode observasi , wawancara, dan dokumentasi foto lapangan. Setelah melakukan hasil survey dan menganalisanya maka Penulis membagi Desa Sitamiang menjadi 3 Zona yaitu Zona 1, Zona 2, dan Zona 3. Dari pembangian tiga Zona tersebut, akhirnya dapat merancang jaringan transfortasi jalan di Desa Sitamiang yang akan memudahkan Penulis merencanakan fasilitas-fasilitas lainnya. Sitamiang Village is a village located in Onan Runggu District, Samosir Regency, North Sumatra. Sitamiang Village is one of the villages with a high tourist attraction because it is located on the outskirts of Lake Toba. In this situation, Sitamiang Village does not yet have a proper transportation network. The village road is only a land with a width of 3.5 m and a length of 2.8 Km. So it needs to be rushed Development of the road network, with the design of the road has a width of 7 m and a length of 2.8 Km. This research is a qualitative descriptive study Primary data obtained by observation, interviews, and field photo documentation. After conducting the survey results and analyzing it, the author divides Sitamiang Village into 3 Zones, namely Zone 1, Zone 2, and Zone 3. From the construction of the three Zones, finally the road transportation network design in Sitamiang Village can be made which will facilitate the writer to plan other facilities.

A Study on Job Satisfaction among Tamil Nadu State Transport Corporation (TNSTC) Employees at Tiruvarur Branch

GIS Business ◽  
2019 ◽  
Vol 14 (6) ◽  
pp. 230-242
Author(s):  
M. Ganesan, K ◽  
K. Veerakumar ◽  
N. R Vembu ◽  
Dr. M. K Durgamani ◽  
Dr. Renuka
Keyword(s):  
Job Satisfaction ◽  
Job Stress ◽  
Tamil Nadu ◽  
Heavy Traffic ◽  
Road Transportation ◽  
The Road ◽  
Tamil Nadu State ◽  
On The Road ◽  
Day By Day ◽  
Labour Turnover

Job satisfaction is an important factor for employees working in formal and informal sector. The job is small or big, permanent or temporary, risky or non-risky, job satisfaction is important. It is the mental feeling which drives the employees to excel. Job satisfaction is a combination of psychological, physiological and environmental circumstances. A satisfied employee is a contented and happy human being. The labour turnover depends upon job satisfaction. Even highly paid employees quit the job when they are not satisfied with the job. Road transportation in Tamilnadu is growing day by day. Job stress in the road transportation is very high due to increase in number of vehicle playing on the road and heavy traffic. The drivers and conductors working in public transport corporation are suffering from high job stress. If drivers and conductors are not satisfied with their job which leads to mental stresses and affects the productivity and also creates accidents. In this present study the researchers made an attempt to study the level of job satisfaction among the drivers and conductors who are working in the Tamilnadu State Transport Corporation (TNSTC). The study reveals the expectations of drivers and conductors working in TNSTC with regards to the attributes like salary, promotion and fringe benefits etc., are satisfactory and not detrimental. 

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