Two local firms submit pitches for Arlington Park redevelopment Competing redevelopment proposals for Arlington Park racecourse from Chicago-based Glenstar Properties and Schaumburg-based UrbanStreet Group LLC have joined those of the Chicago Bears and former Arlington Park President Roy Arnold. Mark Welsh | Staff Photographer, 2020 Updated 7/2/2021 7:27 PM Two more development proposals for the Arlington Park racetrack property in Arlington Heights have been revealed, joining bids from the Bears for a new football stadium and from former track President Roy Arnold to preserv...