ST. LOUIS COUNTY, Mo. (KMOV.com) -- A serious accident injured one person and made a mess of rush hour traffic on Thursday evening, shutting down all but one lane of a major roadway for nearly an hour.
The accident happened on southbound Interstate 270 near Gravois Road just after 5 p.m.
At least three cars were reportedly involved in the crash, and at least one person was injured.
The accident was mostly cleared by 6 p.m.
No word yet on the condition of the injured person.