According to this post on Flyertalk, by Andrew Yiu, a representative of Air Canada, Transport Canada is set to relax the carry-on baggage restrictions on January 20, 2010 which were put in place for flights bound for the US after the December 25th terrorist attack by the underpants bomber!
According to the post, the following will be effective January 20th for flights originating in Canada, with a destination in the United States.
Effective January 20, 2010, Transport Canada will ease the carry-on baggage restrictions for customers traveling to the United States. You are allowed one standard article as defined below:
The maximum size of the standard article is 23cm x 40cm x 55cm with a maximum weight of 22kg.
The definition of standard article is a roller bag or backpack or a briefcase.
In addition to the standard article, you are allowed to bring 1 or more of the following items:
* Small purse
* Coat or outerwear
* Diaper bag, when travelling with an infant
* Duty-free purchases
* Crutches, canes, walkers
* Medical equipment
* Special needs items for customers
* Musical instruments
* Computer bag with laptop and accessories only
* Camera bag with camera and accessories onlyThe above will be enforced strictly.




