If a worker is present in a work zone, you should: Question If a worker is present in a work zone, you should: Answers Continue driving at the posted speed limit. Slow to a speed under the posted speed limit. Drive in the grass. Explanation When driving through a work zone, follow the posted speed limits. If workers are present, you should slow to a speed that is even lower than the posted limit. This questions appears in the following tests: Arizona Class A Knowledge Test Connecticut Class A Knowledge Test Kentucky Class B Knowledge Test Louisiana Class A Knowledge Test Louisiana Class B Knowledge Test Missouri Class A Knowledge Test Oklahoma Class A Knowledge Test