Municipal officials say they’re collecting data to help determine whether to change the parking rules or configuration in a long-discussed area of downtown New Canaan that’s seen a rise in recent years in service-oriented businesses. Members of the Police Commission are asking an officer assigned to the downtown beat to observe the area of Main Street just north of East Avenue in the mornings. Officer Kelly Coughlin will gather information for police and parking officials so they can better understand how heavily a 7 to 11 a.m. loading zone there is used by delivery trucks, and whether those seeking to patronize businesses in the immediate vicinity have ample on-street parking spaces further up Main Street or across it, in front of Town Hall. The main focus is a two-hour window from 9 to 11 a.m., when parking enforcement officers are patrolling downtown New Canaan and several businesses that front the loading zone—including greenology and StretchLab—are open and busy serving customers and clients. “It’s busier than people think,” Coughlin told the Commission at its Jan.