The 84-year-old was struck at 7.45am on December 14 at the junction with Kixley Lane by a Yamaha motorcycle.
She suffered head and back injuries and was taken to Warwick Hospital. She was released and died on December 31.
The 23-year-old motorcyclist suffered injuries to his right leg.
Police released information about the incident today and are seeking information. Call
the road policing unit at Solihull police station on 0845 113 5000.