Sicily (Tyrrhenian) and Messina-Catania-Syracuse (Ionian). Of the narrow-gauge railways the Ferrovia Circumetnea is the only one that still operates, going round Mount Etna. From the major cities of Sicily, there are services to Naples and Rome; this is achieved by the trains being loaded onto ferries which cross to the mainland. In Catania there is an underground railway service (metropolitana di Catania); in Palermo the national railway operator Trenitalia operates a commuter rail (Palermo metropolitan railway service), the Sicilian Capital is also served by 4 AMAT (Comunal Public Transport Operator) tramlines; Messina is served by a tramline. Mainland Sicily has several
Constance, Queen of Sicily Constance's father-in-law Frederick Barbarossa was on a crusade Henry and Constance were forced to stay in Germany and could not maintain her claim to Sicily. Emperor Frederick died in 1190 and the following year Henry and Constance were crowned Emperor and Empress. Constance then accompanied her husband at the head of a substantial imperial army to forcefully take the Sicilian throne from Tancred with the support of the loyal Pisa fleet. The northern towns of Sicily opened their gates to Henry, including the earliest Norman strongholds Capua and Aversa. Salerno, Roger II's mainland capital, sent word ahead that Henry was