Quaint and modern may cross paths over the next couple of years at Hall Area Transit.A couple of trolley buses may be rolled out by the public transportation system in downtown Gainesville by spring 2021, possibly sharing the road with “microtransit” vehicles similar to Uber or Lyft. The trolleys will have a bus chassis but otherwise look like a classic trolley, with brass poles, leather pulleys, open windows and “a back area where you stand off of,” said Phillippa Lewis Moss, director of Gainesville-Hall County Community Services.