Suggested Route

[anonymous-user]

[redacted]

[CoolC]

If you set Google maps to walking it stays off the A3

http://goo.gl/maps/Ok7Fp

Not being from anywhere even close to the area I couldn't say if this suggested route is any good though.

[daz3210]

Cyclestreets does route planning I think.

[Gizmoish]

Ridewithgps.com gives you the elevation of the route too, which helps guard against 'surprise' climbs in odd places...