A 30-year-old woman has died after being hit by a coach on Expo Road West near the airport.

The coach stopped outside AsiaWorld Expo to drop off passengers about 4pm. After the passengers alighted the coach reportedly moved and knocked down the woman who was one of them.

She was sent to Princess Margaret Hospital where she was certified dead at 4.45pm.

Witnesses should call Police on 3661 1300, 3661 1346 or 3661 1348.