This article examines the different theories that today exist about the urban networks, which approach the base theories of cartographic exercises and architectonic and urban 6 design to develop the investigation “itineraries markets” . One of the objectives of the investigation project is based on the identification, analysis and mapping of the semi-stationary vendors which move through the different districts of the city of Pereira, it is necessary to recognize and understand different concepts in which can be found the urban networks, networks which can be experienced like systems and to structural structures and be mapped like symbolic geographies.