There are four lines to this trolley system and they travel to most of the major attractions in the city. The Honolulu City Line comes every 20 minutes and stops at the Royal Hawaiian Shopping Center, Chinatown and a dozen other places. The Shopping & Dining Line makes its first stop at the statue of Duke Kahanamoku and continues on to Nike Town and Ala Moana. A one-day pass costs USD20 for adults; USD14 for teens (12-18); USD10 for kids(4-11). Discounts and multi-day passes are available. view all details