District 2 Commissioner Bob Ott will host a town hall meeting 7-9 p.m., July 23, at Mt. Bethel UMC, 4385 Lower Roswell Road, Marietta. The topic of discussion will be the Transportation Investment Act to be decided by metro Atlanta voters during a July 31 referendum. Representatives from various groups and community officials are expected to attend the discussion, including Untie Atlanta, the Metro Atlanta Voter Education Network, transportation activist Ron Sifen and State Rep. Ed Setzler. For more information, call 770-528-3316.