Question Stopping distances and severity of crashes: Answers Decrease as vehicle speed increases. Are not affected by vehicle speed. Increase as vehicle speed increases. Explanation Stopping distances are longer and crashes are more severe when traffic travels at higher speeds. Take a FREE Practice Test Now This questions appears in the following tests: Wyoming Practice Test Alabama Practice Test Kansas Practice Test South Dakota Practice Test Arkansas Practice Test Kentucky Practice Test Wisconsin Practice Test Delaware Practice Test Georgia Practice Test California Practice Test Illinois Practice Test New York Practice Test Arizona Practice Test Connecticut Practice Test Mississippi Practice Test Maine Practice Test Tennessee Practice Test Maryland Practice Test