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M48Severn Bridge route to Chepstow · 12 mi

M48

The M48 is running normally in both directions.

0
Reported now
0
Speed limits
2
Planned
M48 traffic update

What’s the traffic like on the M48 right now?

The M48 is running normally. Nothing is reported in the National Highways feed right now.

Updated at 16:59 · refreshes every 5 min

Accidents

Is there an accident on the M48?

No. Nothing unplanned is reported on the M48 right now: no collisions, breakdowns or obstructions in the National Highways feed. Earlier today an obstruction at J1 to J2 was reported at 01:36 and cleared by 05:45.

M48 accidents →
Tonight

Is the M48 closed tonight?

The M48 stays open tonight, but 1 lane or slip road closure is planned, so expect narrower lanes or a shut slip at that junction.

M48 closures tonight →
This weekend

Is the M48 closed this weekend?

The M48 stays open this weekend, but 1 lane or slip road closure is planned, so expect narrower lanes or a shut slip at that junction.

M48 closures this weekend →
Happening now

Live incidents

Updated at 16:59 · accidents only →

All clear

Nothing reported on the M48

No closures, collisions or restrictions in the feed right now. Planned works for the days ahead are below.

Clear
Earlier today

What happened on the M48 today?

Collisions, breakdowns and obstructions reported since midnight and now cleared. We check the National Highways feed every 5 minutes, so a cleared time is accurate to about 5 minutes.

Obstruction · clearedJ1 → J2 · both

J1 Aust to J2 Newhouse, Bridge closed, Due to high winds :

J1 Aust to J2 Newhouse (Traffic Wales)

Plan ahead

Planned closures

20/10/2026 20:00

Dewstoe overbridge to Crick overbridge, 20/10/26-31/03/27 2000-0600, Improvement work, Lane closed :

Dewstoe overbridge to Crick overbridge · Traffic Wales

All M48 closures →

Powered by National Highways’ Transport Data Feeds

Junction by junction

Where it’s slow right now

Junction data © OpenStreetMap contributors

Before you set off

Worth 2 minutes

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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