No.4(m) - Directions to Porton Down, Wiltshire

Distance from Norwich - approx 200 miles

A11 to Newmarket

A11/M11 to Stump Cross (Jn 27 of M25)

M25 anticlockwise to Staines

Continue on M25 to Jn 12

M3 to Basingstoke (Jn 8)

A303 to Andover

A343 towards Salisbury to Lipcombe Corner then follow to its junction with the A30 (roads merge)

A30 towards Salisbury then take minor gated road on right to Porton.

(Porton lies between the A30 and A338 roads, both of which lead to Salisbury)

alternative route not using motorways ........return to directions page ......home