August 6, 2021 at approximately 8:00 am, 2018 Honda CR-V was being driven in right lane of an in-town divided 4-lane road in Des Moines, IA, at approximately 30 mph when the vehicle's automatic braking system slammed on the brakes resulting in a collision with the vehicle following too close behind. The lane was clear for driving, but had previous construction where a large steel plate was placed over an excavated section of the lane, and several cones approximately 3 feet tall were on the side of the road but next to the traveled portion of the lane. The dash cam in the vehicle recorded the incident. The net cost of repairs to our vehicle was $2,735. The front of the following vehicle appeared to have received more extensive damage.