Mexico City Metro Line 6
Mexico City Metro Line 6 is one of the twelve metro lines operating in Mexico City, Mexico. Its distinctive color is red. It was the sixth line to be opened. The line was inaugurated in 1983 and it runs from northwest to northeastern Mexico City. Line 6 has 11 stations and a length of 13.947 km, out of which 11.434 are for service. Line 6 is the second line in the entire Mexico City Metro network with least passengers, having 23,533,445 users in 2021. History. Line 6 was opened on 21 December 1983, in the  section that goes from El Rosario, serving the estate Unidad Habitacional El Rosario -the biggest estate in the country, to Instituto del Petróleo. The latter became the first transfer station when it was connected to the already existing station of Line 5. Three years later, on 8 July 1986, the second stretch of the line was inaugurated: from Instituto del Petróleo to Martín Carrera, connecting with Line 4. According to the Mexico City Metro Plan published in 2018 by the Sistema de Transporte Colectivo, Line 6 would be expanded from Martín Carrera eastbound towards Villa de Aragón station of Line  B. This extension would have a length of 5.69 km and five new stations. Rolling stock. Line 6 has had different types of rolling stock throughout the years. As of 2020, out of the 390 trains in the Mexico City Metro network, 17 are in service in Line 6. Ridership. The following table shows each of Line 6 stations total and average daily ridership during 2019. Tourism. Line 6 passes near several places of interest: