It happened this morning in the Great Victoria Street/Wellwood Street this morning.
Her death brings to 56 the number of people killed on Northern Ireland’s roads since the start of the year.
Inspector David Gibson said: “I would appeal to anyone who was in the area at approximately 8.00am this morning, Tuesday, 21 November and may have witnessed this incident to contact police.
“I would also appeal to any motorist who has a dashcam in their vehicle that may have recorded this collision to also contact Police.
“We can be contacted on the non-emergency number 101, please quote reference 198 21/11/17.”