sentences:  Currently, an ambitious plan includes the construction of a network, centered on Madrid.The overall goal is to have all important provincial cities be no more than four hours away from Madrid and no more than six hours away from Barcelona.As of 2008, AVE high-speed trains link Madrid-Atocha station to Seville, Málaga, and Toledo in the south, Valencia, Albacete, Cuenca and Alicante in the east, and to Zaragoza, Tarragona, Girona, Leida, Huesca and Barcelona in the north-east.