Keith Parker, MARTA's CEO and general manager, speaks at the April 11 Sandy Springs Perimeter Chamber of Commerce luncheon at the Westin Atlanta Perimeter North hotel. (John Ruch)
Jill Goldberg, communications manager for the Georgia Department of Transportation, points to proposed locations for sound-blocking walls on a map of Ga. 400 at the project's Sandy Springs headquarters. (Photo John Ruch)
