Susan Holt brought up Simms Corner when dicussing the port in her post meeting interview on CBC:
https://www.youtube.com/watch?v=iTFi9VY2CvU&t=1366s
The discussion regarding the port starts at 15:10. I wouldn't be surprised if Simms Corner is considered as one of these "nation-building projects" that Carney has requested the premiers to put forth. Or perhaps a large chunk of a more overarching project to ramp up rain connection to the port.