Update 9:40 a.m. -- 183 Northbound is now open. The MLK overpass is open as well. Traffic is flowing smoothly.
Austin Police are investigating a car accident off highway 183 in East Austin.
The single vehicle crash happened at 4:45 a.m.. An APD watch commander tells us that one man was pronounced dead at the scene. No other injuries were reported.
Northbound 183 will remain shut down until APD finishes their investigation. Traffic is being diverted onto the service road. Martin Luther King drive is also closed in both directions over the highway. No word yet on what caused the accident.