A semitrailer ran off the ramp leading from northbound Interstate 35 to northbound Interstate 635 during the morning rush hour Thursday.
Although the crash was primarily off the roadway, northbound I-35 traffic in Johnson County was moving slowly through the area.
The left lane of northbound I-635 over I-35 was closed while emergency crews worked the crash. Tow trucks were brought in to remove the truck.
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