M25 to Blackwall Tunnel (south side)

[Jagmanv12]

On a Thursday morning about 10.30 which is the easiest/quickest route from the M25 to the south entrance of the Blackwall Tunnel - A2 or A20? I'll be coming from Clacket Lane direction.

[Jagmanv12]

Thanks for the info guys. It looks like the A2 is the way to go.

[Jagmanv12]

Thanks again guys. PHers provide the info. M25 J10 to Excel in 1 hour in the middle of the day using M2.