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M48

M48 Traffic News

M48 Motorway · Aust (M4 J21) → Rogiet (M4 J23)

M48 traffic at 04:01 on Monday 12 October: no major incidents reported — live National Highways updates every 5 minutes.

🔵 Motorway Clear 🚨 0 incidents 🚧 0 roadworks ⏱ Updated 04:01
11 miles long
Regions: South West, Wales
Home › Traffic › Roads › M48

🚨 Live M48 Incidents & Roadworks

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🟢 Clear on the M48 📍 0 incidents · 🚧 0 roadworks
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No live incidents on the M48 right now — checking National Highways every 5 minutes.
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📹 Latest M48 videos

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M48 SEVERN BRIDGE | STRONG WINDS | BOTH DIRS | CLOSED J1 (Aust / Severn View) – J2 (Chepstow / A466 / Tintern) SOUTH GLOUCESTERSHIRE / MONMOUTHSHIRE | NEAR: Thornbury | Caldicot | Lydney | Severn Beach First reported before 13:00 BST | 09-OCT-26 Active | Full Closure Both Directions | H
Follow @uk_traffic_updates for live M48 incident videos →

🗺️ M48 Traffic Map — Where It's Happening

Tap a pin for full incident detail. Live positions from National Highways.

🔢 M48 Junction Status

Tap a junction for its page

🟢 Clear · 🟡 Delays nearby · 🔴 Severe/Crash · Status labels: 💥 CRASH · ❌ CLOSED · 🐌 SLOW · 🚧 WORKS · ⚠️ HAZARD

A red or orange junction border marks a STATS19 collision blackspot. Tap any junction for its own page — live incidents and full collision history. Tap the funnel to filter the list above.

📊 How busy is the M48?

The M48 carries up to 29,540 vehicles a day at its busiest stretch, including 2,191 HGVs — the 26th busiest motorway in Britain. Official Department for Transport counts, 2025.

29,540
🚗 vehicles a day
2,191
🚛 lorries a day
2025
📅 DfT count year
7.4% HGVs
share of traffic on the busiest stretch
Busiest stretch of each motorway — vehicles a day
M25 212,636
M6 187,521
M56 179,634
M1 162,446
M8 158,065
M4 156,491
M48 29,540
View as table
RoadBusiest stretchVehicles/dayHGVs/dayHGV share
M25 near J14 212,636 14,853 7%
M6 J20–J21 187,521 23,492 12.5%
M56 J3–J4 179,634 7,547 4.2%
M1 near J9 162,446 19,151 11.8%
M8 J16–J17 158,065 7,214 4.6%
M4 near J4 156,491 6,249 4%
M48 ◀ — 29,540 2,191 7.4%
Source: Department for Transport road traffic statistics, average annual daily flows 2025. Official counts, updated yearly.

⚠️ Most Dangerous M48 Junctions

Based on DfT STATS19 police collision records. The M48 has 21 recorded collisions at 2 collision hotspots, involving 21 casualties. Take extra care here.

#1
J2
11 collisions · 11 casualties · 3 serious
Severe Blackspot
#2
J1
10 collisions · 10 casualties
Severe Blackspot
🔍 See the full M48 collision blackspot map →

🛒 Journey Essentials

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❓ M48 Traffic — Frequently Asked Questions

Q: Is the M48 closed today?

Any M48 closure appears in the live feed above within minutes of National Highways reporting it, including tonight's overnight roadworks closures.

Q: Is there traffic on the M48 today?

The live feed above shows every incident, delay, roadwork and overnight closure on the M48, updated every 5 minutes from National Highways.

Q: What is the worst time to use the M48?

The M48 is typically busiest during morning rush hour (07:00–09:00) and evening rush hour (16:30–19:00) on weekdays.

Q: Are there roadworks on the M48 right now?

Roadworks and overnight closures on the M48 are listed above and at /traffic/m48/roadworks/, taken from the National Highways daily closure report.

Q: What roads connect to the M48?

The M48 connects to: M4.

Q: How many vehicles use the M48 every day?

Official Department for Transport counts (2025) record 29,540 vehicles a day on the M48's busiest stretch, 2,191 of them HGVs. The full breakdown and comparison chart are in the traffic statistics section above.

Q: How busy is the M48 compared with other motorways?

The M48 has the 26th busiest motorway stretch in Britain at 29,540 vehicles a day (DfT 2025), behind the M25's 212,636 a day at the top.

📊 M48 Status Summary

0
Active incidents
0
Severe/serious
0
Roadworks
04:01
Last updated
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ℹ️ M48 Road Details

Length
11 miles
From
Aust (M4 J21)
To
Rogiet (M4 J23)
Type
Motorway
AM Rush
07:00–09:00
PM Rush
16:30–19:00

📍 Key M48 Locations

Chepstow Aust

🔗 Roads Connecting to the M48

Junction

DfT STATS19 police collision records

0
Collisions
0
Fatal
0
Serious
0
Slight
🔍 Full blackspot map →
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