Lin Dinnien, aged 56, was last seen by staff at a medical facility on Clifford Street, about 4pm on Wednesday, April 13, 2016.

Ms Dinnien is described as being of Asian appearance, about 150-155cm tall, of medium build, with shoulder length black hair and brown eyes.

Ms Dinnien was last seen wearing a grey cardigan, black tights and sandals.

Truckie to face court after fatal crash 

A truck driver will face Queanbeyan District Court after a fatal crash killed an 83-year-old man on the Hume Highway near Yass in March 2015.

The Queensland man was killed in the crash at the Mantons Ridge intersection.

NSW Police said in a statement that two cars appeared to be travelling north on the highway before pulling over.

The male pedestrian was standing in the path of oncoming traffic speaking with the driver of the second car when he was hit by the B-double truck. He died at the scene.

The driver of the B-double was not injured in the crash but suffered shock. He was taken to Yass Base Hospital for treatment and for mandatory blood and urine testing.

The defendant is pleading guilty and will appear before Judge P G Mohoney SC at 10am on Friday, May 27.

To provide information on any crime, phone Queanbeyan Police Station on 6298 0555 or Crime Stoppers on 1800 333 000.