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

Period : expect disruption until 17:00 on 22 February 2017. Location : The M3 westbound between junctions J12 and J13 . Status : Currently Active. Lane Closures : The hard shoulder is closed. Reason : Roadworks.

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Period : expect disruption until 06:00 on 27 February 2017. Location : The M3 westbound between junctions J11 and J12 . Status : Currently Active. Lane Closures : The hard shoulder is closed. Reason : Roadworks.

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Period : expect disruption until 05:30 on 1 September 2017. Status : Currently Active. Lane Closures : The hard shoulder and lane 3 are closed. Location : The M3 westbound between junctions J1 and J2 . Lanes Closed : There is one of three lanes closed. Reason : Road repairs.

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Status : Pending. Lane Closures : Lane one will be closed. Schedule : Expect disruption everyday between 20:00 and 05:30 from 27 February 2017 to 3 March 2017. Location : The M3 westbound entry slip at junction J2 . Lanes Closed : There will be one of three lanes closed. Reason : Road repairs are planned.

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Status : Pending. Lane Closures : Lane one will be closed. Schedule : Expect disruption everyday between 20:00 and 05:30 from 27 February 2017 to 3 March 2017. Location : The M3 westbound entry slip at junction J2 from M25 clockwise. Lanes Closed : All lanes will be closed. Reason : Road repairs are planned.

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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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