Gwent Police is appealing for witnesses following a report of a road traffic collision on the A465, Abergavenny
Officers and paramedics attended the collision on the A465 near Abergavenny train station after following a report at around 5pm on Monday 16 December.
The collision involved a car and a pedestrian.
The pedestrian, who can be named as Jean Campbell, 79, from Monmouthshire, was sadly pronounced dead at the scene.
Her family have been informed and will be allocated specially trained officers for support.