UPDATE: I-80 is open and the eastbound exit to Northwest Boulevard is closed.
EARLIER UPDATE: Eastbound Interstate 80 is closed at Northwest Boulevard (exit 292).
Iowa State Patrol troopers are on the scene of a car-semi crash.
This is a developing story. Stay tuned to Local 4 News, Fox 18 News and OurQuadCities.com for updates. Got a news tip? Forward it to Local 4 on Twitter or Facebook or download our app on your iPhone or Android phone.