I took a couple of photos of the 407 today on a hazy day in Toronto to show the progress of the widening work between Hwys 400 and 404.
I've included some old pics for comparison purposes:
From the Dufferin Avenue overpass:
West in 2004:

2012:
East in 2004:

An intermediary in 2006:

2012:
From Leslie Street:
Looking West in 2012. The shoulder lane is paved here:
East:
2004:

2011:

2012:
Work seems to be progressing quickly... the new lanes will likely be ready in a couple of weeks.