• Proceedings of the Korea Society of Design Studies Conference
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• 1998.04a
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• pp.8-9
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• 1998

• Proceedings of the Korea Society of Design Studies Conference
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• 2003.11a
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• pp.90-91
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• 2003

• Proceedings of the Korea Society of Design Studies Conference
• /
• 2003.05a
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• pp.14-15
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• 2003

• Proceedings of the Korea Society of Design Studies Conference
• /
• 2003.05a
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• pp.264-265
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• 2003

• Proceedings of the Korea Society of Design Studies Conference
• /
• 2003.05a
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• pp.84-85
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• 2003

• Proceedings of the Korea Society of Design Studies Conference
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• 2001.05a
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• pp.58-59
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• 2001

• Proceedings of the Korea Society of Design Studies Conference
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• 2001.05a
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• pp.114-115
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• 2001

• Proceedings of the Korea Society of Design Studies Conference
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• 2001.05a
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• pp.130-131
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• 2001

• Proceedings of the Korea Society of Design Studies Conference
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• 2001.05a
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• pp.144-145
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• 2001

• Journal of Korean Society of Transportation
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• v.26 no.3
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• pp.155-167
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• 2008

This paper studies a multiple user class variable demand user equilibrium and system optimal condition, and then establishes solution algorithms for them. The traffic network equilibrium is accomplished with basis on following assumptions. For considering heterogeneous road user, several user classes have discrete set of VOTs and the travel demand of each user classes varies according to generalized travel cost. this paper specifically investigates following question on multi-class variable demand: Are user equilibrium flows pattern dependent on the unit (time or money) perceived by road user classes? What is system optimal condition according to the unit used in measuring the travel cost or disutility? Finally, using this network equilibrium condition, The traffic assignment algorithm of each equilibrium condition are established.