Brandon has a couple of webcams mounted on the Flintknappers where you can see the weather and the traffic.Brandon Webcams
There are several Highways Agency Traffic cams on the M11
Stansted Airport (Northbound)
Harlow
M25 Interchange
Waltham, Abbey
There is also one at Bow Flyover
And one on at the A14 and A11 Junction
You can check other motorways traffic flow at Traffic England