Ida Bagus Putu Widiarta
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ANALISIS PEMILIHAN MODA DENGAN REGRESI LOGISTIK PADA RENCANA KORIDOR TRAYEK TRANS SARBAGITA Ida Bagus Putu Widiarta; I Gusti Ngurah Wardana
Jurnal Ilmiah Teknik Sipil Vol. 15, No. 2 Juli 2011
Publisher : Department of Civil Engineering, Udayana University

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Abstract

High traffic flows on the main road has increased traffic problems such as traffic congestion. Public transport system, Trans Sarbagita, is expected to solve such problem. It is required therefore, to study on mode choices on the Trans Sarbagita corridor. The study objective is to analyze the socio-economic characteristics of Terminal Mengwi-Kota-Pelabuhan Benoa Route and to analyze the mode choice model. Analysis was conducted on primary data obtained by performing Home Interview Survey. Data were analyzed using logistic regression models and using SPSS version 16.0. Mode choice model was represented by probability of using Public Transportation to Private Transportation as follows: ln [P (AU) / P (AP)] = -2103 +2872 (BUKERJAR) + 1409 (DAPATBUL), with contributions of BUKERJAR and DAPATBUL is 23.78% and 37.66% respectively. The result of analysis is to provide recommendation or information about modal choice according to the needs of the residents for intra-and inter-zones movement.
ANALISIS PEMILIHAN MODA TRANSPORTASI UNTUK PERJALANAN KERJA Ida Bagus Putu Widiarta
Jurnal Ilmiah Teknik Sipil Vol. 14, No. 2 Juli 2010
Publisher : Department of Civil Engineering, Udayana University

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Abstract

Optimisation of public transport use (such as angkot or microbus) isrequired due to the difficulty to increase the roadway capacity by widening of roadin order to manage supply. Therefore, an alternative approach is required bymanaging transport demand so that the system can be controlled. This approach isrequired especially for the new developed housing in Dalung Village, BadungRegency. Dalung area (in North Kuta District) is part of Samigita developmentproject where the the number or people travelling to work are about 613 persons(189 persons working in public service and 424 persons in private company). Themajority of people in this area are travelling by private vehicles. One aspect thatneeds to be studied is the general cost for the journey to work both by privatevehicles (motor bikes) and public transport. Mode choice model used is BinomialLogit Model. The model equation is Log {(1 – PP ) / PP} = 2,248 – 0,001 (CP –CU). Results of analyses indicate that if the cost difference between publictransport and private transport increases, the probability of using private vehicleswill increase; Although the cost of the two modes of transportation is set at the samecost, the majority of workers will still use private vehicles (about 79%), and thisis also the case even when the cost difference is Rp 2.800,00. The cost balance between private vehicles and public transport is achieved when thecost of using private vehicles is about 1.4 times more than public transport cost.