Kajian Pengaturan Rute Perjalanan Berdasarkan Generalized Cost

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Herawati Herawati
Atik S. Kuswati

Abstract

The simulation of travel management st;stem by vehicle emission consideration is using faur steps
modeling. The congestion existed in cimahi city especially in peak periods c.aused btj the increasing the
number of private c.ars. Based on the reasons, the study only considers private car passengers as mode
of transportation that will be assigned in peak hour periods. To obtain the peak period result, the result
of traffic assignment should be multiplied btj 10.5% for collector road and 9% for arterial road. The
technique assignment is used user equilibrium and traffic assignment is run by using generalized cost.
Generalized cost is c.alculated btj actual cost and -perceive cost (emission cost). CUBE software has
been employed for this research to analyze traffic performance. CUBE software applies existing
condition (base) and faur scenarios. The analysis will compare between the assignment with emission
cost and the assignment without emission cost.
Cimahi CihJ is study case for transportation improvements c.ause changes in the existing traffic
network Therefore, The scenarios are built high side friction reduction on arterial road (scenario 1)
and building ringroad (scenario 2). These changes analyzed is reduction of v/c ratio as well as length
of congested links. The first analysis is v/c ratio reduction all of scenario which compared with base
condition. The scenario 1 result create only 9 congested links with is the v/c ratio reduction of scenario
btj assignment with emission cost is 29% and withour emission cost is 26%. and scenario 2 (26%).
In additional , the second scenario result achieve the best scenario bec.ause the v/c ratio reduction
without cost is 31 % with 6 congested links and assignment with emission cost is 26% with 2
congested links The result of both scenarios shJw that assignment with consideration vehicle emission
cost more efektif because provide more v/c ratio reduction and number of congested link reductions.


Key words: traffic assignment, private c.ar, peak hour, emission.

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