ST. PAUL-September 27, 2012-(KMKO)-The Minnesota Department of Transportation will hold a public forum in Mankato next month.  The public is invited to the meeting October tenth to participate in developing the 20-year Minnesota State Highway Investment Plan.  The meeting, which will take place from 2:00 to 5:00 pm, begins with an overview presentation and public input session. An open house will follow, with opportunities to talk with MnDOT staff.  The meeting will be held at the MnDot District 7 Headquarters, located at 2151 Bassett Drive in Mankato.