Transit Tips From Across The U.S.
Local transit experts from New York, Chicago, Boston, San Francisco and Washington D.C. share their best tips for traveling on public transit:
"In some cases, subway, bus, light rail, ferry or other means of public transit may save time and money for the business traveler."
A related story, "Six cities that make transit easy, cheap", profiles cities that have public transit that makes it easy to get from the central business district to the airport.
Thanks to Chris Steins