The popular Royal Farms convenience store chain is planning to build a new store at the intersection of routes 15 and 60 southwest of Dillwyn. Meeting Aug. 10, Buckingham County supervisors agreed to send a letter of support for the store’s traffic flow plan to the Virginia Department of Transportation. The store will be built at the intersection north of 60 and east of 15, according to a site plan. It will include the convenience store, 17 fuel…