Question Stopping distance can be affected by: Answers Speed. Engine oil. Time of day. Traffic. Explanation Factors that can affect stopping distance include your vehicle's speed, its weight, and the traction provided by the road surface. This questions appears in the following tests: Arkansas Class B Knowledge Test Arkansas Tank Connecticut Class B Knowledge Test District Of Columbia Class A Knowledge Test Illinois Class B Knowledge Test Maryland Class B Knowledge Test Tennessee Class A Knowledge Test Utah Class B Knowledge Test Utah Tank West Virginia Class A Knowledge Test