The article aims to analyze the origins, operations and changes of the passenger transport in Boyacá, through three causal factors that allowed to explain its functionality and expansion in the region, first, the configuration of the road network that conditioned the establishment of routes and service areas, second, the socioeconomic context of the department in benefit or detriment of the Formation of companies linked to the sector, and finally, the qualities of the local productive fabric as a demander for population mobility. It´s important to note the institutional intervention of the national government in its regulation and organization as an important economic item since the middle of the last century, for that reason this study was made investigating in notarial sources and local or official hemerography that give account of the indicated aspects and show how the process of consolidation of the motorcar was within the boyacense socioeconomic scenario with his peculiarities.