Gainesville is trying to get the wheels moving in 2017 on a couple of long-discussed key road projects: Green Street improvements and an “inner bypass” that involves the widening of tiny Oak Tree Drive and a potential roundabout. “Maybe we’ll start some construction at the end of 2017 or first of 2018,” Mayor Danny Dunagan said. Both projects have long histories and address serious transportation needs for Gainesville, moving traffic simultaneously around and more smoothly through the center of town.