Ernest W. Barrett Parkway (more commonly Barrett Parkway) is a major thoroughfare between western and northern Cobb County, Georgia that runs from southwest of Marietta, north and then northeast near Kennesaw. The portion of Barrett Parkway between I-575 and U.S. 41 is designated Georgia state route 5 Connector. The road is named after Ernest W. Barrett, the first chairman of the Cobb County Board of Commissioners in the 1960s. The initial part of the road went through what was the Barrett famil ...