ROUND ROCK, Texas (KXAN) — A deadly, multi-vehicle wreck on Interstate 35 in Round Rock closed the southbound lanes of the freeway the morning of March 18. Now, police are looking to speak with a driver who was pulling a dark-colored trailer in the area.

The driver with the trailer would’ve been in that section of the highway at about 6:30 a.m. Thursday, Round Rock police say. Investigators are also looking to speak with witnesses to the crash.

Police say at least one person died in the crash, which happened north of the Round Rock Avenue bridge. That person was identified as Jaton Lozano, 44, of Killeen, on March 22 by police.

Traffic was detoured to McNeil Drive at the time. The lanes reopened just before 10 a.m. that day.

Anyone with information can call Sgt. Brian Quick at (512) 218-3257 or submit a tip online.