1 a smart market for passenger road transport smprt congestion an application of computational mechanism design sheri markose amadeo alentorn deddy koesrindartoto peter allen phil blythe and sergio grosso draft submitted to the journal economic dynamics control wehia 2005 special issue 28 february 2006 abstract price negative externalities in we develop innovative agent based economics ace model simulate oriented cap trade system provides integrated framework with following steps that can be used most network systems i assessment digitized real world hot spot determines terms vehicle volumes when traffic efficiency deteriorates environmental take off exponentially ii users have submit bids clearing at fixed supply travel slots given time slice peak hour being determined by sealed bid uniform dutch auction conducted electronically herein lies format iii cross sectional demand data on car who traverse cordon area