Line 1 begins in Ciudad Expo (Mairena del Aljarafe), passing beneath the neighborhood, and arrives at the underground station of Calaveri.

The line proceeds above ground to the higher portion of the neighborhood of San Juan de Aznalfarache.

It continues its underground path through San Juan until arriving at the lower portion of the neighborhood.

Next, the line passes above the highway SE-30 by way of a viaduct, and continues on ground level until the station of Blas Infante, located in Seville.

In line 1 of the metro of Seville, the various rates are established according to the number of segment transfers that the user requires in order to travel from the original station to the final one.