They are: Starbucks, McDonald’s, and Subway.

“It’s not because we can’t spend more as travelers; it’s not because our companies won’t allow us to [spend more],” the business-travel-expert-guy says. It's because business travelers are in a hurry, looking for wi-fi, and, apparently, have horrible taste. To wit:

Incidentally, in the report’s top-rated restaurants, a category where restaurants are ranked aspirationally rather than just on frequency of purchases, the top five are Jimmy John’s, Chipotle, Chick-fil-A, Panera Bread, and (ready for this one?) Dunkin’ Donuts.

So those are business travelers' FAVORITES? Ugh. More at the New York Times.