Discription of Events: 7:15 AM on 1/29/2020 Commercial Truck holding flatbed 48 goes north on Greenwood Rd.between intersection of West Lake and Greenwood without license plate on the flatbed or any ID number without any assistant/helper even without making any warnings/turn signal made extremely dangerous excessive sudden sharp right turn towards Thorn wood Ave probably followed course to 1704 Pickwick Ln,Glenview,IL,which is under construction now, forced all three, followed at a long distance behind, cars to a sudden unsafe stop.