In this Feb. 8, 2016, file photo, a sign for the Chipotle restaurant in Pittsburgh's Market Square.
In this Feb. 8, 2016, file photo, a sign for the Chipotle restaurant in Pittsburgh's Market Square. Keith Srakocic AP
In this Feb. 8, 2016, file photo, a sign for the Chipotle restaurant in Pittsburgh's Market Square. Keith Srakocic AP