Airport
Gatwick Airport
Crawley, Sussex🛣️ M23 junction: J9
✅ No M23 incidents reported within 3 miles
UK's second-busiest airport; 42.8 million passengers in 2025
🚨 Live M23 Incidents & Roadworks
Updates every 5 min
No live incidents on the M23 right now — checking National Highways every 5 minutes, 24/7. Closures are listed below.
🌙 M23 closures tonight and the next 3 days 2
From National Highways' closure report, in their words. Times can change - check before you set off.
- Partial closureSouthbound M23 southbound Jct 10 exit slip road closureTomorrow night · 20:00–06:00
- Partial closureSouthbound M23 Southbound Jct 10 entry slip road closureTomorrow night · 20:00–06:00
Spotted something on the M23?
Warn other drivers in real time — thousands check these pages every day
💥 Crash⚠️ Hazard⛔ Closure🐌 Queue
📹 Latest M23 videos
🗺️ M23 Traffic Map — Where It's Happening
Tap a pin for full incident detail. Live positions from National Highways.
🔢 M23 Junction Status
Tap a junction for its pageJ8Merstham & Redhill24 crashes
J9Horley & Salfords53 crashes
J9AGatwick Airport & Horley45 crashes
J10Crawley & Copthorne18 crashes
J10ACrawley & Pease Pottage23 crashes
🟢 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 M23?
The M23 carries up to 119,367 vehicles a day at its busiest stretch (near J9), including 5,892 HGVs — the 17th busiest motorway in Britain. Official Department for Transport counts, 2025.
119,367
🚗 vehicles a day · near J9
5,892
🚛 lorries a day
2025
📅 DfT count year
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
M23
119,367
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% |
| M23 ◀ | near J9 | 119,367 | 5,892 | 4.9% |
Source: Department for Transport road traffic statistics, average annual daily flows 2025. Official counts, updated yearly.
📈 M23 Journey Pulse — when incidents actually happen
Measured from 68 incidents recorded on the M23 since February 2026: the riskiest window is 08:00–11:00, when 24% of incidents start. Right now (22:00) this is one of its calmest hours.
00
04
08
12
16
20
📈 Busiest 08:00–11:00
😌 Quietest 22:00–01:00
🕒 Typically clears in ~36 min ⏱ Typical delay ~10 min
View as table
| Hour | Incidents | Share |
|---|---|---|
| 00:00–01:00 | 0 | 0% |
| 01:00–02:00 | 2 | 2.9% |
| 02:00–03:00 | 3 | 4.4% |
| 03:00–04:00 | 2 | 2.9% |
| 04:00–05:00 | 2 | 2.9% |
| 05:00–06:00 | 4 | 5.9% |
| 06:00–07:00 | 2 | 2.9% |
| 07:00–08:00 | 1 | 1.5% |
| 08:00–09:00 ◀ peak | 6 | 8.8% |
| 09:00–10:00 ◀ peak | 4 | 5.9% |
| 10:00–11:00 ◀ peak | 6 | 8.8% |
| 11:00–12:00 | 4 | 5.9% |
| 12:00–13:00 | 1 | 1.5% |
| 13:00–14:00 | 2 | 2.9% |
| 14:00–15:00 | 2 | 2.9% |
| 15:00–16:00 | 5 | 7.4% |
| 16:00–17:00 | 3 | 4.4% |
| 17:00–18:00 | 5 | 7.4% |
| 18:00–19:00 | 7 | 10.3% |
| 19:00–20:00 | 1 | 1.5% |
| 20:00–21:00 | 4 | 5.9% |
| 21:00–22:00 | 1 | 1.5% |
| 22:00–23:00 | 0 | 0% |
| 23:00–00:00 | 1 | 1.5% |
Measured from 68 incidents recorded by this site since February 2026 (planned roadworks excluded). Recomputed nightly from our incident archive.
🧭 Along the M23
🔀 Major interchanges — where the M23 meets other roads
✈️J9
Gatwick Airport
Dedicated airport spur directly from J9
🏙️J10–J11
Crawley
Junctions 10, 10A and 11 serve the town
🏖️J11
Brighton
The road continues south as the A23 to the coast
📍 Heading to… off the M23
The places people drive to most, the M23 junction for each, and live M23 incidents nearby at 22:13.
Town centre
Brighton
Brighton, Sussex🛣️ Via the M23
✅ No M23 incidents reported within 3 miles
Seaside city with 11.4 million visitors in 2024
⚠️ Most Dangerous M23 Junctions
Based on DfT STATS19 police collision records. The M23 has 175 recorded collisions at 6 collision hotspots, involving 296 casualties (4 fatal). Take extra care here. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.
#1
Severe Blackspot
J9
53 collisions · 81 casualties · 2 fatal · 10 serious
#2
Severe Blackspot
J8
24 collisions · 44 casualties · 1 fatal · 8 serious
#3
Severe Blackspot
J10
18 collisions · 30 casualties · 1 fatal · 4 serious
#4
Severe Blackspot
J9A
45 collisions · 64 casualties · 16 serious
#5
Severe Blackspot
J10A
23 collisions · 59 casualties · 5 serious
#6
Blackspot
nr Redhill
12 collisions · 18 casualties
🛒 Journey Essentials
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❓ M23 Traffic — Frequently Asked Questions
Is the M23 closed today?
Any M23 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 M23 today?
The live feed above shows every incident, delay, roadwork and overnight closure on the M23, updated every 5 minutes, 24 hours a day, from National Highways.
What is the worst time to use the M23?
The M23 is typically busiest during morning rush hour (07:00–09:00) and evening rush hour (17:00–19:00) on weekdays.
Are there roadworks on the M23 right now?
Roadworks and overnight closures on the M23 are listed above and at /traffic/m23/roadworks/, taken from the National Highways daily closure report.
What roads connect to the M23?
The M23 connects to: M25, A23, A264.
Is there an accident on the M23 northbound or southbound today?
Each side has its own live page: the M23 northbound and the M23 southbound 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 M23 every day?
Official Department for Transport counts (2025) record 119,367 vehicles a day on the M23's busiest stretch (near J9), 5,892 of them HGVs. The full breakdown and comparison chart are in the traffic statistics section above.
How busy is the M23 compared with other motorways?
The M23 has the 17th busiest motorway stretch in Britain at 119,367 vehicles a day (DfT 2025), behind the M25's 212,636 a day at the top.
What time of day is the M23 worst for incidents?
Measured from 68 incidents recorded on the M23 since February 2026, the riskiest window is 08:00–11:00, when 24% of incidents start. The quietest is 22:00–01:00. Incidents on the M23 typically clear in about 36 minutes.
What junction is Gatwick Airport on the M23?
London Gatwick Airport is linked directly to the M23 at junction 9 by a dedicated airport spur, signed for both terminals.
📊 M23 Status Summary
0
Active incidents
0
Severe/serious
0
Roadworks
22:13
Last updated
🆘 Broken down on the M23?
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ℹ️ M23 Road Details
- Length
- 27 miles
- Junctions
- J7–J11
- From
- Hooley (M25 J7)
- To
- Crawley (A23)
- Type
- Motorway
- AM Rush
- 07:00–09:00
- PM Rush
- 17:00–19:00
📍 Key M23 Locations
Reigate
Horley
Crawley
Gatwick Airport
🔗 Roads Connecting to the M23
🛣️ M23 Services & Motorway Stops
🔗 Related Tools
📱 Follow M23 Updates
Daily M23 incidents, posted across all four channels.
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