The incident happened at around 11:30 a.m. near the intersection of Jacques Cartier Boulevard on May 27.
Police say the driver of a beige, four-door, compact car collided with a cyclist who was riding on the sidewalk.
The driver did not stop to help the victim, police said.
Today, investigators released a surveillance image of the woman believed to be the driver taken at a nearby bank not long before the crash.
She is described as around 30 years old, around five feet seven inches tall, and weighing about 186 lbs. She has red hair and was wearing a purple camisole.
The car was described as possibly a Nissan manufactured in the 1990s.
Anyone with information is asked to call police at 450-463-7211 or Info Azimut at 450-646-8500.