As a result, customers will pay one of three prices -- 4,200 JPY (USD27), 3,800 JPY or 3,400 JPY -- for an advance adult one-way ticket including seat reservation on the section of the line Dynamic pricing means the amount charged is allowed to go up and down depending on demand and the timing of the purchase. The decision follows a trial of the system that began 1 March. Before the trial began, advance tickets for the same route were set at 3,800 JPY for adults. If bought within a week of departure, a standard ticket costs 5,230 JPY. The route is the most popular bullet train service in the southwestern Japan region, and links the cities in as little as 32 minutes.