Submitted by the Illinois Tollway. Downers Grove, IL - The Illinois Tollway is partnering with the Morton Arboretum to enhance aesthetics and expand tree canopy coverage along the tollway system as part of its efforts to increase environmental benefits and sustainability. In recognition of the new effort, the Tollway will celebrate Arbor Day on April 29 by giving away 15,000 tree seedlings to customers at the Tollway’s Downers Grove headquarters and at tollway oases. In partnership with the Morton Arboretum, the Illinois Tollway develop a systemwide landscape master plan for trees, shrubs and other native plantings on Tollway property. The...