The Salamanca-León segment formally opened on September 21, 2015 with a dedication ceremony by President Enrique Peña Nieto. It cost 3.45 billion pesos and is estimated to carry 9,450 cars a day. It is maintained by Grupo México subsidiary Concesionaria Infraestructura del Bajío, S.A. de C.V. and costs cars 43 pesos to drive.Tarifas Vigentes, SCT, accessed 15 February 2017
