Hartsfield-Jackson International Airport plans to hold a public workshop Sept. 18 on its $4 billion master plan.

The workshop will be on Thursday from 5 to 8 p.m. at the airport’s technical support campus at 1255 South Loop Rd. in College Park. Presentations will be at 5:30 p.m. and repeated at 7 p.m.

The airport said its master plan team will display exhibits and introduce alternatives for development.