The Ramal, is a metro line, part of the Madrid Metro

Madrid Metro

The Madrid Metro is a metro system serving the city of Madrid, capital of Spain. The system is the sixth longest metro in the world though Madrid is approximately the fiftieth most populous metropolitan area in the world...

, with only two stations and a total length of 900 m. "Ramal" in Spanish means "branch". The line opened between Opera and Norte on 27 December 1925. At that time Norte was the main railway station for trains going to northern Spain and this short metro line was built to link the Norte railway station with line 2

Line 2 (Madrid Metro)

Line 2 of the Madrid Metro was opened on 11 June 1924 between Sol and Ventas. It was later extended fron Sol to Quevedo on 27 December 1925 and from Quevedo to Cuatro Caminos on 1 September 1929. In 1932, a branch from Goya to Diego de León was added. This branch was transferred to Line 4 in 1958...

 of Madrid metro.

However in 1995 the Norte railway station was renamed Principe Pío because most long-distance trains traveling north were now terminating at the new Chamartín Station

Chamartín Station

Madrid Chamartín is the name of the second major railway station in Madrid, Spain. Positioned on the north side of the city, it was built prior to the time of the 1982 FIFA World Cup, between 1970 and 1975, although subsequent work would be carried on into the early 1980s. At that time it...

. The Norte station still has RENFE

RENFE

Renfe Operadora is the state-owned company which operates freight and passenger trains on the 1668-mm "Iberian gauge" and 1435-mm "European gauge" networks of the Spanish national railway infrastructure company ADIF .- History :The name RENFE is derived from that of the former Spanish National...

 services, but it has been scaled down and only local trains stop here. Part of the former station complex was converted into a shopping centre. Also in 1995 Lines 10

Line 10 (Madrid Metro)

Line 10 of the Madrid Metro is in fact the product of two lines, the former line 8 from Fuencarral to Nuevos Ministerios and the former Suburbano from Alonso Martínez to Aluche, this section being named line 10 in the 1980s. In the 1990s, Madrid planned for these two lines to become one, but...

 and 6

Line 6 (Madrid Metro)

Line 6 of the Madrid Metro opened originally between Cuatro Caminos and Pacifico in 1979. This is one of two circular lines in Madrid, but unlike Line 12, it did not open as a full circle...

were extended to Principe Pío to interchange with the Ramal. The Ramal uses 4 car trains of CAF Class 3000.