A passenger watches the departures board for his train at South Station in Boston, Massachusetts June 11, 2008. As oil prices spike, many Americans are rediscovering the railroad. Amtrak, America's struggling passenger railroad, saw record numbers in May when ridership rose 12.3 percent from a year earlier, and ticket sales climbed 15.6 percent, according to company data. REUTERS/Brian Snyder (UNITED STATES)