The state Department of Transportation Highway Design Unit will be holding a public informational meeting tonight about safety and operational improvements on Route 7 at Grumman Hill Rd. in Wilton.  A design presentation will start at 7 pm and will be followed by a question and answer period.  Construction is expected to begin in the spring of 2020. The estimated construction cost for the state designed project is $2.6 million, with 80-percent funded by the federal government and 20-percent from the state.  The meeting is being held at Trackside Teen Center of Wilton.