TRIP ASSIGNMENT MODEL WITH CONSIDERATION OF VEHICLE EMISSION: CASE FOR CIMAHI CITY
Abstract: Many cities in
Indonesia are facing problems related to traffic and transportation such as
Cimahi city which is located in the west part of West Java, Bandung. Traffic
growth in Cimahi is caused by industrialisation and urbanisation which
represent the main factor of increasing population and travel demand in Cimahi.
The Local Government of Cimahi has started to avoid congestion by improving infrastructure
facilities or other traffic management. Traffic assignment in four-step
modelling is carried out as a basic to simulate the traffic management system.
Traffic congestion generally happens especially in peak periods caused by the
increasing number of private cars. Based on the reasons, the study only
considers private car as a mode of transportation that will be assigned in peak
hour periods. The technique of assignment used is user equilibrium and traffic
assignment is run by using generalized cost. Generalized cost is calculated by
actual cost and perceived cost (emission cost). CUBE software has been employed
for this research to analyze traffic performance. CUBE software applies
existing condition (base) and four scenarios. After modeling scenarios, those
are acquired that scenario 4 as the best alternative for congested reduction in
Cimahi. Indeed, Scenario 4 is recommended because significant result of v/c
ratio value reduction and reducing number of congestion links by considering
emission cost.
Author: Herawati
Journal Code: jptsipilgg110030