Updated: March 23, 201 - 9:51am
The accident was first reported just before 6:30 a.m. on the overpass from southbound Interstate 35 to to southbound U.S. 69 Highway.
Lenexa Police arrived to report 15-20 vehicles involved in an accident that was completely blocking the highway.
Firefighters from Overland Park, Lenexa and Merriam all responded when the incident was upgraded to a Level I MCI (mass-casualty incident).
Johnson County Med-Act says eight people were injured and transported to an area hospital.
Ambulances transported nearly 20, who were not injured, to a nearby fire station to keep warm.
The Kansas Highway Patrol says at least 22 vehicles were involved in the accident, least 15 of those vehicles were towed away from the scene.
Both southbound lanes reopened to traffic at 9:50 a.m. Sunday.
Sunday morning's rain and snow caused traffic problems across the Kansas City area. Accidents were reported in various locations around the south side of the Interstate 435 loop, Kansas Highway 10 near De Soto and Interstate 70 near Lawrence.
Around 3 a.m., Lawrence fire medical crews, police and Kansas Turnpike troopers responded on at least four accidents on the Interstate 70 turnpike. Two people were seriously injured in a rollover accident. A total of six people were treated for minor injuries in various different accidents on I-70 in Douglas County. Operation 100 News report on the Lawrence Journal-World.
Just after 3 a.m., Lenexa police closed the flyover ramp from westbound I-435 to southbound I-35 following a seven vehicle accident. No injuries were reported.
Around 3:15 a.m., Overland Park police were forced to close both eastbound and westbound lanes of I-435 after several accidents caused by vehicles travelling too fast over the Metcalf bridge. One of these accidents involved a vehicle crashing into the back of an Overland Park police department vehicle that was on the scene of an earlier accident. The officer was not injured. No serious injuries were reported.
At 3:20 a.m., Leawood police and fire crews, along with Kansas City, Missouri police closed all eastbound and westbound lanes of I-435 at State Line Road following several accidents and slide offs. One of the accidents involved four vehicles. No serious injuries were reported.
Stay with Operation 100 News on this blog and on Twitter for the latest details as they become available. Remember where you heard this news first, Operation 100 News, reporting the news to the public as it breaks.
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