M3

The M3 is 59 miles long and links south west Lon­don with Southamp­ton, pass­ing through the coun­ties of Sur­rey and Hampshire.

Con­struc­tion of the M3 began in 1971, and was com­pleted in stages until 1995.

M3 Traffic Information

Location : The M3 westbound entry slip at junction J4A . Lane Closures : Lane one is closed. Reason : Road repairs. Status : Currently Active. Period : expect disruption until 06:00 on 23 March 2017. Lanes Closed : All lanes are closed.

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Location : The M3 westbound between junctions J6 and J10 . Reason : Roadworks. Status : Currently Active. Period : expect disruption until 06:00 on 23 March 2017. Lanes Closed : All lanes are closed.

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Location : The M3 westbound exit slip at Fleet Services. Lane Closures : Lane two is closed. Reason : Roadworks. Status : Currently Active. Period : expect disruption until 06:00 on 23 March 2017. Lanes Closed : There is one of two lanes closed.

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Location : The M3 westbound between junctions J4A and J5 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Roadworks. Status : Currently Active. Period : expect disruption until 06:00 on 23 March 2017. Lanes Closed : There is one of three lanes closed.

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Location : The M3 eastbound exit slip at junction J6 . Lane Closures : Lane two is closed. Reason : Road repairs. Status : Currently Active. Period : expect disruption until 06:00 on 23 March 2017. Lanes Closed : There is one of two lanes closed.

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M3 Road Projects

M3 Junction 9 Improvements

We will be upgrad­ing the junc­tion to allow free move­ment between the A34 and the M3.

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The M3 J6-8 Bridge Waterproofing Scheme

Replace­ment of deck joints and the deck water­proof­ing mem­brane for three bridges between M3 J6-8

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M3 Junction 6 Black Dam Roundabout Improvements

We will be car­ry­ing out works to con­vert the exist­ing Black Dam round­about into a junc­tion with traf­fic signals.

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M3 Junctions 2-4a

We pro­pose to improve the M3 by mak­ing it a smart motor­way between junc­tions 2 and 4

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