Update 5:15pm: I-35 northbound is now open, though one lane may be closed through the night. The Slaughter Creek overpass will be closed through tomorrow.
Update: APD says I-35 northbound around the Slaughter Creek overpass will likely stay shut down through much of the evening commute. The overpass itself, which was hit by a tractor trailer, will be closed to traffic going over the highway for a day or two.
Original post (2:14 p.m.): An 18-wheeler accident in South Austin has left one person dead and will shut down northbound Interstate 35 for most of the day. The crash and a fiery explosion occurred underneath the Slaughter Lane overpass.
Southbound I-35 was briefly closed, but is now open. “Expect Northbound IH-35 to remain closed for several hours as we continue to investigate the fatal collision,” Austin Police say on Twitter.
Police are urging motorists to stay away from the area.