CONEY ISLAND - Coney Island Avenue business owners say litter is becoming a problem in the neighborhood. Merchants say the excess garbage on the busy residential and commercial strip is causing unnecessary ticketing. They have asked the Department of Sanitation to ease up on issuing violations and consider where the garbage is coming from.Officials from the Department of Transportation say business owners must keep sidewalks clean. They say merchants are responsible for sweeping the area in front of their store twice a day.