Public Works Director Pete Sewczwicz said the section of the road near Brooks would curve westward, away from their property and would narrow to two lanes to allow for sidewalks.
"Bear in mind, everything inside where we're talking about ... that's the city's, so if we need to adjust, we'll adjust to our property," said James Drinkard, assistant city manager. "Our goal is to not touch your [property]."
City officials said financing on the 20-year bond could be managed without raising taxes because two current bonds are set to be paid off in 2012.
Thursday's meeting came a day after an information session hosted by the Academy Park Homeowners Association which drew more than 60 people. Three more information sessions are scheduled at City Hall. The next is on June 30 at 6 p.m.
Residents can also find more information and leave comments at alpharetta.ga.us/.