As the Austin Monitor reported today, the comment period for improvements to MoPac Expressway has been extended. Tonight, Austin Mayor Steve Adler, Austin Mayor Pro Tem Kathie Tovo, Austin City Council Member Ann Kitchen, Travis County Commissioner Brigid Shea, Rollingwood Mayor Thom Farrell and AISD Trustee Amber Elenz will hold a forum to discuss proposed changes to the expressway. CTRMA and TxDOT are proposing to construct toll lanes and elevated lanes over Lady Bird Lake, and the CAMPO board will vote soon on the plan. Tonight’s forum, which promises to be lively, will take place at 6 p.m. at Austin High School, 1715 W. Cesar Chavez St.