“…On the one hand, the HSR service may be intended primarily to improve long distance and international connections, thus acting as a substitute for, or in combination with, air travel (Givoni, 2006;Roman, Espino, & Martin, 2010). On the other hand, the HSR may be designed to promote high interregional accessibility by linking together cities in an "integrated corridor economy" (Blum et al, 1997;Martinez & Givoni, 2009;Urena, Garmendia, Coronado, Vickerman, & Romero, 2010;Urena et al, 2009). These two categories are derived from the work of Blum et al (1997), in which HSR stations which provide good connexion with airports are differentiated from those which are primarily designed to improve regional travel (train/car).…”