A crash involving an 18-wheeler closed Interstate 635 Wednesday in Lake Highlands, leading to major traffic delays throughout the morning rush.
The crash was reported at about 5 a.m. along the eastbound lanes of LBJ Freeway between Church Road/Plano Road and Kingsley Road. Texas Department of Transportation cameras showed an 18-wheeler jackknifed in the main lanes.
All lanes were reopened several hours later.
There are no known reports of injuries.
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Eastbound traffic was backed up to Greenville Avenue. Westbound LBJ Freeway was also congested in the area due to drivers slowing down to look at the crash scene.