UpdatedThu, Feb 4, 2021 at 7:35 pm CT Reply Construction will narrow Diffley Road to one lane in each direction between Lexington Avenue and Braddock Trail. (Morgan Reddekopp, Patch) EAGAN, MN — Construction to narrow Diffley Road to one lane of traffic in each direction between Lexington Avenue and Braddock Trail is set to begin in May. The full road will be closed from Daniel Drive to Braddock Trail from June 1 to August 27. The construction will include adding roundabouts at Braddock Trail and Daniel Drive as well as parking lot improvements and new access points to Eagan High School. The project been in the works for around four years.