The royals - who attended the ceremony with King Felipe and Queen Maxima of Spain and Dutch King Willem-Alexander and Queen Maxima - did not witness the accident.
An elderly woman was hospitalized and left in a critical condition after a collision with a motorbike in Kate Middleton and Prince William's royal convoy. The accident happened while the couple were on their way to the Order of The Garter Ceremony on June 17.
The day after the accident, the couple joined the Dutch visitors and other senior British royals at Royal Ascot.