Final answer:
Approximately 75 percent of crashes at railroad crossings occur at crossings that do not have automatic gates and flashing lights.
Step-by-step explanation:
The percentage of crashes at railroad crossings that take place at crossings that do not have automatic gates and flashing lights can vary depending on the location and other factors. However, according to the Federal Railroad Administration, about 75 percent of all railroad crossing accidents occur at crossings without gates or lights. This means that approximately 75 percent of crashes at railroad crossings happen at crossings that do not have automatic gates and flashing lights.