Crashes snarl traffic on I-79, Parkway West
Multi-Vehicle Crash Causes Big Backups on I-79 in Pittsburgh
Pittsburgh, PA – The biggest wreck in the US on April 8, 2025, happened in Pittsburgh, PA, where a multi-vehicle crash caused morning rush hour chaos. It happened just before 7:00 a.m. on I-79 southbound at the Carnegie exit, and all lanes were closed temporarily, and there were big backups on I-79 and the Parkway West.
What Happened?
Multiple vehicles were involved in a crash at Exit 57, and emergency responders were on the scene quickly. Traffic came to a standstill, and all southbound lanes were closed to clear the wreckage and assist those involved.
Initial reports say morning traffic and possibly wet roads may have contributed to the pileup. No one was seriously injured but multiple people were checked out by paramedics.
The Cause
Commuters traveling southbound on I-79 and the Parkway West were stuck in traffic for hours. Authorities told commuters to avoid the area and find an alternate route during cleanup and investigation.
Traffic was finally moving again after several hours, but the delays rippled to other major roads throughout the morning.

Community Reaction
Frustrated drivers took to social media to vent about the delays. “I was stuck in traffic for almost 2 hours today. This area needs better traffic control during accidents,” one commuter tweeted.
Others praised the quick response from emergency crews. “Big thanks to the first responders who kept things moving and safe this morning,” another user posted on Facebook.
Final Thoughts
The investigation is ongoing. Remember to stay alert, slow down in congested areas and use caution during peak travel times. The road is open but the crash is a reminder how fast traffic incidents can escalate and impact your daily life.