A multivehicle crash at mile marker 17 on Interstate 75 northbound has the right shoulder and a lane blocked.
UPDATE at 8:20 p.m.: Both wrecks have been cleared.
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UPDATE at 7:30 p.m.: The crash in Bradley County has been cleared.
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UPDATE at 6:43 p.m.: A crash in the northbound lanes of I-75 at mile marker 2 has blocked the right lane, TDOT says. The crash is estimated to be cleared by 8 p.m.