The new B-C Corridor Widening project partially opened last week. Some photos below. Currently it's just the walkway portion that's open with the travelator and CTS (Compact Transit System aka. people mover) to follow.
Widened Corridor looking East
http://i.imgur.com/b6oVT1Y.jpg
Looking West. The CTS route is on the right
http://imgur.com/MwHbpgW.jpg
New Maple Leaf Lounge Entrance
http://i.imgur.com/on6XxFT.jpg
Threaded Mode