Clayton County residents can give their opinion on a metrowide draft list of  $6 billion in transportation investments which will be paid for by a regional penny sales tax if voters approve it next summer. The Atlanta Regional Transportation Roundtable will host a forum at the County Administration office from 6 p.m. to 8 p.m. on  September 29. The forum is one of 12 to be held around the region. Attendees will see a presentation, speak with transportation experts and complete a survey. Details:  www.atlantaregionalroundtable.com.