Road transportation network problems in urban council area of Vavuniya district Sri Lanka

Abstract

Road transportation network is the biggest issue in the cities of the developing countries. Sri Lanka is one of the fast growing country in Asia and this country is facing many difficulties to solve the problem regarding the road traffic conjunction and it associated problems. Vavuniya city is the one and only service point for all the areas of the Vavuniya district. More than 80000 people of this district access this service point for their day today activities in every day. This study is discuss about the road transportation network problem of the Vavuniya urban council area. In that way the main objective of this study is to mapping the road transportation network to identify the road transportation network problem and provide the appropriate solution for this problem. Primary data such as discussion and unstructured interviews, secondary data such as land use map, topographical map and road information data from urban council of Vavuniya were used to this study. Descriptive statistical method and mathematical analysis (alpha, beta and Cyclomaric number index) and Arc GIS 10.4.1 version used to analysis the data and mapping the information. There is high density in road network has been identified and there is a low density of road network has been identified as per the divergence orbit of the city. There is no regularity in the accessibility of the sub road with the A, AB and B grade road. Structural Conditions of the road in the sub urban area is in a very poor stage. Some road of the city such as 1st Cross Street, 2nd cross street, Mosque Street and market road have high vehicle traffic due to the access of huge number of vehicles in particular time. Some road such as Thirunavatkulam, Kovitputhukulam, and Santhsolai roads cannot be used during the rainy season due to the bad condition of the road. Traffic signal system has to be established in the main junctions of the city. Extending the important services, decentralize the administrative complex to other parts of the Vavuniya district would be the solution for the road traffic problem of the Vavuniya city.