Alvia is a high-speed train service in Spain offered by Renfe on long-distance routes with a top speed of . The trains have the ability to use both Iberian gauge and standard gauge, which allows them to travel on the recently constructed high-speed lines for part of the journey before switching to the "classic" Iberian gauge network to complete it. Trains that run exclusively on high-speed tracks are branded AVE or Avant.
Alvia is a high-speed train service in Spain offered by Renfe on long-distance routes with a top speed of . The trains have the ability to use both Iberian gauge and standard gauge, which allows them to travel on the recently constructed high-speed lines for part of the journey before switching to the "classic" Iberian gauge network to complete it. Trains that run exclusively on high-speed tracks are branded AVE or Avant.
==Trains and Routes== thumb|260px|Mixed-high speed services via conventional lines in Spain. Sections over High-speed railway lines in blue, sections over conventional line (in [[Iberian gauge) in red).]] , RENFE Class 120, RENFE Class 130 and RENFE Class 730 trains are in service.
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