Police said crews responded to a four-vehicle accident on Interstate 35 Thursday afternoon.
The accident occurred on northbound Interstate 35 between 10th and 23rd Streets.
The interstate was completely blocked, backing up traffic on I-40 WB to Sunnylane and on I-40 EB for at least 3 miles. News 9 pilot Jim Garner said two lanes are now open.
Details surrounding the accident have not been released.