Map of Spain. In the bottom right-hand corner drawing from the author is indicated. Conventional signs: country's capital, province's capital, main line connector and branching points or lines flow; terminal station or terminus; intemediate station. Railways in single, double, narrow-gauge track and rack operation with identification of electrified and non-electrified tracks. Railways under construction, in the pipeline and variants. The legend uses colours to indicate the railways from Renfe, the State and other companies. Also included are squares with the rail links of Asturias, Madrid, Barcelona, Zaragoza, Valencia, Santander, Vizcaya and Guipúzcoa.