AUSTIN (KXAN) — A "major" crash on Interstate 35 in Round Rock on Monday has closed all north and southbound lanes near RM 620, the Round Rock Police Department said. RRPD posted on social media about the crash at 11:55 a.m. Monday. The Texas Department of Transportation said traffic is dive rting to the frontage roads near U.S. 79. RRPD said to avoid the area and use an alternate route when possible. This story will be updated as more information becomes available. ...read more read less