Barnes, from Baydon near Swindon, was also driving erratically when she hit and killed teacher Diane Wright in September 2010. Her car was crushed and she died at the scene.
Barnes is at Swindon Crown Court for her sentencing, having eventually pleaded guilty to dangerous driving after going on the run in Holland for 18 months.
More top news
Gavin Henson booted an 18-point haul as Bath moved up to second in the Premiership with a 33-23 win over struggling London Irish.
The UK's first "number two" bus is to hit the road powered entirely by human and food waste.
The number of people seeking help with mental health issues after they leave the armed forces is rising here in the West Country.