Popular Sandwich Chain Port of Subs Announces 40 New Locations

There's nothing like a tasty, flavorful sandwich for lunch on a busy day. Over the past few decades, sandwich shops have really been booming in the U.S., and major chains such as Panera, Jersey Mike's and Subway have become staples in the lives, and meals, of millions of Americans.

According to Restaurant Business Online, Subway and Arby's are the biggest sandwich chains in America. But, there's an up-and-coming chain that could be on the tally of the biggest sandwich spots soon.

A...