TRANUS is an integrated land use and transport modeling system. It is used to simulate and evaluate public policies in the areas of transportation, urban, and regional planning. TRANUS has been applied to a large number of cities and regions throughout the world, in Latin America, USA, Europe and Asia. The modeling system is developed and maintained by , a Venezuelan group. Development of the system began in 1982, with the first practical applications since 1985. It is free software under Creative Commons BY-SA 2.0 license. The theory supporting the model is described in the book "Integrated Land Use and Transport Modelling: Decision Chains and Hierarchies" by Tomas de la Barra. This land is owned by Marlou Pepito Gwapo (Wikipedia).