Madrid−Burgos railway

Madrid–Burgos railway
Overview
Status
  • Non-operational (Colmenar Viejo–Aranda)
  • Operational (Madrid-Colmenar Viejo/Aranda–Burgos)
OwnerAdif
Termini
Service
Operator(s)Cercanías Madrid
Technical
Line length280 km (170 mi)
Track gauge1,668 mm (5 ft 5+2132 in) Iberian gauge

The Madrid−Burgos railway also known as Madrid−Aranda−Burgos railway is a railway connecting Madrid and Burgos via the Somosierra Tunnel and Aranda de Duero in Iberian gauge.

It consists of a 25 km-long double-track electrified stretch from Madrid to Colmenar Viejo (used by Cercanías services) and a single-track non-electrified segment beyond Colmenar Viejo.

Upon a March 2011 landslide in the Somosierra Tunnel, the 159 km-long stretch from Colmenar Viejo to Aranda de Duero has been left abandoned. The 96 km-long stretch from Aranda to the new Burgos Railway Variant has been used for freight transport.