One of the most important elements for the overall
economic development in any country all over the world is road
development. When the roads have a better interconnected network,
it will help the economic activities such as trade to increase. As a
country develop, the demand for efficient road transportation will
get increase and highways are required to meet this increased
demand. In Malaysia, the development of highway is part of
government commitment to ensure economic growth of economic
so that it will improve the quality of life in the society. Projek
Lebuhraya Usahasama Berhad (PLUS) is one of the highway
operators in Malaysia. It is also the largest highway concessionary
or build–operate–transfer (BOT) operator company in Malaysia. In
this paper, the traffic burden of Skudai toll plaza is studied by
considering all PLUS toll plazas as a complex network. The data
used is based on the number of vehicles entering from each PLUS
toll plazas to Skudai and exiting from Skudai to other PLUS toll
plazas. The data analysis is based on the measure of similarity
among toll plazas along PLUS highway where Skudai toll plaza as
the origin and destination. The interrelationships amongst toll plazas
are studied by using minimum spanning tree (MST). The
interpretation of MST is conducted by using centrality measures usually used in Social Network Analysis. Further, this study will
provide some recommendations related to traffic highway
development