He was also charged this week with driving while forbidden and refusing officers’ request for blood, but police indicated at the time that other charges could follow.
So far, there have been no new charges.
Police found a crashed car and the dead teen when they were called to State Highway 20 around 3.20am on Monday.
A homicide investigation was launched.
The vehicle had come to a stop facing the wrong way on the motorway. It had moderate damage to the front, a witness said, explaining that detectives and the serious crash unit were already at the scene.
A section of the busy motorway remained closed for several hours as the investigation was carried out.
Police said this week that they would like to hear from anyone who might have been on the motorway around the time of the crash - especially those with dashcam footage.
The Bail Act restricts the media from reporting most of what was discussed in court today during the man’s bail request. Police, however, opposed the application.
The defendant’s mother, father and brother left the courtroom in tears.
Judge Forrest remanded the man in custody until next month, at which point he is expected to enter pleas.