Palm ExpressRich in scenic contrasts, the Palm Express PostBus route links the chic mountain resort of St. Mortiz with Lugano, city of Mediterranean flair. After the slight but steady ascent to the Maloja mountain pass, the road winds steeply down through the Val Bregaglia, crossing the Swiss-Italian border at Castasegna. After a short stopover in the lovely Italian city of Chiavenna, the journey continues to charming Lugano, one of Ticino’s main cities.You Passport or Identity Card is required for border crossing into Italy.