Sorry, thought access to the motorway at Peel Green was what you meant.
When phase two does get built (which will be after the bridge) cars will be able to get straight on the M60 at Peel Green to Eccles, Worsely, Swinton, Prestwich etc.
You'll also be able to go over the bridge and through Trafford Park to Centenery Bridge (for Eccles, Pendleton) or on to Salford Quays and town.
People going to Peel Green and Patricroft can still go down Liverpool Road but it should a lot quieter.

But It does look like it will be a while before we see any big changes.

It's just been announced that the funding for the Metrolink to now extend too the Trafford Centre has been approved and will be finished by 2019, should in conjunction with the new road and bridge make getting to games much easier.

Though we might all have Jetsons style hover cars by then

The stadium should never have been built until the roads and instrastrucutre was complete. It was the RFL that said we had to move unless we would lose our Super League license. Now we see Cas and Wakey still playing in there sheds and you now no longer need a decent ground to play in the Super League.

They may be sheds mate but they're full sheds. Probably not this week though (catalans)