Road closures have been announced as major work to improve Junction 9 on the M3 will begin next month.
The main work on the M3 Junction 9 improvements project is set to start in April.
To prepare for this, temporary CCTV and average speed cameras will be installed on the junction, the A34 and the A33.
These cameras will be covered and not used until the main work begins.
The installation of this equipment will require overnight closures.
READ MORE: Government approves final plans and funding for Junction 9 improvement scheme
There will be temporary two-way traffic lights on Spitfire Link (A272) around the compound for the works.
The lights will be operational after peak time traffic between 9.30am and 4pm on Friday, March 21.
On Thursday, March 20, and Friday, March 21, the northbound carriageway between junctions 11 and 9 will be closed overnight.
Traffic will be diverted via the A3090, B3040, B3041, B3049, B3420 and A34 eastbound.
The southbound carriageway of the M3, between junctions 9 and 10, will be closed overnight on Monday, March 24, and Tuesday, March 25.
Traffic will be diverted via the A272 and A31.
SEE MORE: Green campaigners argue M3 Junction 9 improvement is not beneficial
On Wednesday, March 26, Thursday, March 27, and Friday, March 28, the southbound carriageway between junctions 8 and 9 will be closed overnight.
Traffic will be diverted via the A303 westbound to the A34 southbound to Junction 9.
The A34 southbound at Three Maids Hill and the A33 southbound at the Cart and Horse Junction will be closed overnight on Monday, March 31, Tuesday, April 1, and Wednesday, April 2. Diversions will be in place.
On Thursday, April 3, the A34 northbound from Junction 9 to Three Maids Hill and the A33 northbound from Junction 9 to the Cart and Horse Junction will be closed overnight with diversions in place.
Overnight closures will usually start from 8pm and finish by 6am, though this may change depending on traffic volume and safety considerations.
The diversion routes are designed to accommodate all vehicle types.
Drivers are advised not to use Sat Navs when following diversions, as they may direct vehicles onto unsuitable roads or back onto closed sections of the network.
During the day, topsoil will be removed, and archaeological surveys will be conducted away from the road, but workers and machinery may be visible in the area.
A spokesperson for National Highways said: "Apologies for any inconvenience this may cause to your journey."
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