🚨 Live M48 Incidents & Roadworks
Updates every 5 min🌙 M48 closures tonight and the next 3 days 2
From National Highways' closure report, in their words. Times can change - check before you set off.
- Full closureEastbound M48 eastbound Jct 2 to 1 Severn Bridge carriageway closureTue 20 Oct · 20:00–06:00Diversion: Diversion via M4 Prince of Wales Bridge.
- Full closureWestbound M48 westbound Jct 1 between exit and entry slip roads carriageway closureTue 20 Oct · 20:00–06:00Diversion: Diversion via exit and entry slip roads. 7.5T weight limit suspended
📹 Latest M48 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.
View as table
| Road | Busiest stretch | Vehicles/day | HGVs/day | HGV 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% |
⚠️ 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. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.
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❓ M48 Traffic — Frequently Asked Questions
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.
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, 24 hours a day, from National Highways.
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.
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.
What roads connect to the M48?
The M48 connects to: M4.
Is there an accident on the M48 eastbound or westbound today?
Each side has its own live page: the M48 eastbound and the M48 westbound each list every accident, breakdown, closure and roadworks on that carriageway, updated every 5 minutes, 24 hours a day, from National Highways. The panel at the top of this page shows both sides at a glance.
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.
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
ℹ️ M48 Road Details
- Length
- 11 miles
- Junctions
- J1–J2
- 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
🔗 Roads Connecting to the M48
🛣️ M48 Services & Motorway Stops
🔗 Related Tools
📱 Follow M48 Updates
Daily M48 incidents, posted across all four channels.
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