Cobb Department of Transportation will host an open house 5-7 p.m. March 5 to review improvements on Six Flags Drive. The project includes adding a raised center median on Six Flags Drive from Factory Shoals Road to Riverside Drive and widening Six Flags Drive to a three lane section from Riverside Drive to Six Flags Parkway. Location: South Cobb Recreation Center, 875 Six Flags Drive, Austell. Information: www.cobbcountyga.gov.