US restaurant traffic increased by 1% percent in the second calendar quarter of 2013 compared to same quarter last year while consumer spending, driven primarily by average check growth, increased by 3% over last year, according to The NPD Group, Port Washington, NY. And while the 1% gain is a bit of good news for I&I companies, NPD finds that despite growth in the April-June quarter, foodservice traffic is at the 2009 level of 15.7 billion for the quarter. Still, NPD analysts saw some po...