This line shapefile represents Servicios con Información complementaria de tipo Línea (Routes of Rivers and Railways) for the Mexican state of Coahuila de Zaragoza. This file was released by the Instituto Nacional de EstadÌstica y GeografÌa (INEGI) as part of the 2015 Population Survey, Encuesta Intercensal. This layer does not include socio-demographic data and was downloaded, cleaned, and released by Diego Valle-Jones (diego@diegovalle.net). Refer to the documentation for methodologies and variable names (in Spanish). Original information on this survey is available at http://www.inegi.org.mx/est/contenidos/proyectos/encuestas/hogares/especiales/ei2015/default.aspx