She was captured on her own body-worn camera in a store cupboard with a prisoner, a court hears.
Rebecca Pinckard pleads guilty to having a relationship with a prisoner at Highpoint Prison.
Three cars were involved in a collision, National Highways says.
Lanes in each direction on the A11 in Cambridgeshire close due to a central reservation sinkhole.
Astrid Gruszecki, 31, was struck by a car and died at the scene, police say.
