Complex sentence: A 2016 study began assessing Deerfoot Trail in Calgary for possible future improvements, and a study has already been completed analyzing the incomplete interchange of Glenmore Trail and Deerfoot Trail.
Split into simpler sentences: A 2016 study began assessing Deerfoot Trail in Calgary for possible future improvements. A study has already been completed analyzing the incomplete interchange of Glenmore Trail and Deerfoot Trail.