Traffic should follow the Solid Black Diamond diversion symbol.
– Continue on the M3 northbound to J7
– Leave the M3, circle the roundabout and take the fourth exit, joining the M3 southbound
– Remain in the nearside lanes, continuing to J8 and leaving the M3, merging onto the A303
– Continue on the A303 for 6 miles, leaving at the Bullington Cross interchange
– Continue to the T junction, turn right, pass beneath the A303 and A34
– At the next roundabout, take the first exit and rejoin the A34 northbound