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M48Severn Bridge route to Chepstow · 12 mi

M48

Planned closures and overnight roadworks on the M48. For live incidents see M48 traffic.

Planned works

M48 closures

Updated 16:13 · refreshes every 5 min

Sat 8 Aug 20:00 → Fri 18 Sept 20:00

M48 eastbound Jct 2 to Jct 1 contraflow 198/5-194/7

M48 eastbound between J2 and J1

18/09/2026 20:00

J1 Aust to J2 Newhouse, 18/09/26-19/09/26 2000, Carriageway maintenance, Closed, Diversions in place :

J1 Aust to J2 Newhouse · Traffic Wales

18/09/2026 20:00

J2 Newhouse to J1 Aust, 18/09/26-19/09/26 2000, Carriageway maintenance, Closed, Diversions in place :

J2 Newhouse to J1 Aust · Traffic Wales

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About this road

The M48 at a glance

The M48 is the original Severn Bridge crossing, looping off the M4 through Aust and Chepstow. High winds close the bridge several times a year, and when they do this page is where you find out first. Live incidents and closures refresh every 5 minutes.

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