NTSB looking at risk parked semis posed to Greyhound bus in fatal Illinois accident
![NTSB looking at risk parked semis posed to Greyhound bus in fatal Illinois accident](https://bloximages.chicago2.vip.townnews.com/gazettetimes.com/content/tncms/assets/v3/editorial/e/6a/e6a03ac1-e984-5128-9d94-dae7daeafbab/64b4269a36c7e.image.jpg?resize=300%2C190)
Federal investigators will look the role trucks parked on an exit ramp had in a deadly Greyhound bus crash near St. Louis that killed three passengers and injured 14 more.