<p>The M4 is now fully closed in both directions between junctions 6 and 8/9. The diversion route for local traffic follows the A308M, A308 and A332, see below. </p><img src="https://res.cloudinary.com/commonplace-digital-limited/image/upload/c_limit,f_auto,q_auto:eco,w_1024/v1570102201/projects/m4j3to12smartmotorway/64859bc6-282d-44de-b0f5-a344e35b550f.png" /><p></p>

M4 full closure between junctions 6 and 8/9 is now in effect

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Highways England are currently improving the M4 between Junction 3 at Hayes and Junction 12 at Theale by upgrading it to a smart motorway. 

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News on M4 J3-12 smart motorway

M4 full closure between junctions 6 and 8/9 is now in effect