Hatfield House
Hatfield, HertfordshireHistoric house; follow brown signs via A414/A1000, not satnav via Old Hatfield
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A1(M) traffic at 21:00 on Sunday 18 October: no major incidents reported — live National Highways updates every 5 minutes, 24/7.
From National Highways' closure report, in their words. Times can change - check before you set off.
Tap a pin for full incident detail. Live positions from National Highways.
🟢 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.
The A1(M) carries up to 142,783 vehicles a day at its busiest stretch, including 18,044 HGVs — the 10th busiest motorway in Britain. Official Department for Transport counts, 2025.
| 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% |
| A1(M) ◀ | — | 142,783 | 18,044 | 12.6% |
Measured from 122 incidents recorded on the A1(M) since February 2026: the riskiest window is 11:00–14:00, when 20% of incidents start. Right now (21:00) you're outside the peak window.
| Hour | Incidents | Share |
|---|---|---|
| 00:00–01:00 | 1 | 0.8% |
| 01:00–02:00 | 2 | 1.6% |
| 02:00–03:00 | 1 | 0.8% |
| 03:00–04:00 | 2 | 1.6% |
| 04:00–05:00 | 4 | 3.3% |
| 05:00–06:00 | 4 | 3.3% |
| 06:00–07:00 | 7 | 5.7% |
| 07:00–08:00 | 4 | 3.3% |
| 08:00–09:00 | 2 | 1.6% |
| 09:00–10:00 | 8 | 6.6% |
| 10:00–11:00 | 11 | 9% |
| 11:00–12:00 ◀ peak | 3 | 2.5% |
| 12:00–13:00 ◀ peak | 9 | 7.4% |
| 13:00–14:00 ◀ peak | 12 | 9.8% |
| 14:00–15:00 | 3 | 2.5% |
| 15:00–16:00 | 0 | 0% |
| 16:00–17:00 | 10 | 8.2% |
| 17:00–18:00 | 9 | 7.4% |
| 18:00–19:00 | 3 | 2.5% |
| 19:00–20:00 | 6 | 4.9% |
| 20:00–21:00 | 7 | 5.7% |
| 21:00–22:00 | 4 | 3.3% |
| 22:00–23:00 | 8 | 6.6% |
| 23:00–00:00 | 2 | 1.6% |
The places people drive to most, the A1(M) junction for each, and live A1(M) incidents nearby at 21:00.
Historic house; follow brown signs via A414/A1000, not satnav via Old Hatfield
House and park used for big outdoor events; entry direct from A1(M) J7 roundabout
Home of the St Leger; four-day St Leger Festival every September
Hosts the Leeds Festival every August; festival traffic uses the A1(M) and A64
Based on DfT STATS19 police collision records. The A1(M) has 874 recorded collisions at 27 collision hotspots, involving 1,367 casualties (31 fatal). Take extra care here. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.
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Any A1(M) closure appears in the live feed above within minutes of National Highways reporting it, including tonight's overnight roadworks closures.
The live feed above shows every incident, delay, roadwork and overnight closure on the A1(M), updated every 5 minutes, 24 hours a day, from National Highways.
The A1(M) is typically busiest during morning rush hour (07:00–09:00) and evening rush hour (16:30–19:00) on weekdays.
Roadworks and overnight closures on the A1(M) are listed above and at /traffic/a1m/roadworks/, taken from the National Highways daily closure report.
The A1(M) connects to: M25, A14, A1, M62, A690.
Each side has its own live page: the A1(M) northbound (towards Gateshead) and the A1(M) southbound (towards Hatfield) 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.
Official Department for Transport counts (2025) record 142,783 vehicles a day on the A1(M)'s busiest stretch, 18,044 of them HGVs. The full breakdown and comparison chart are in the traffic statistics section above.
The A1(M) has the 10th busiest motorway stretch in Britain at 142,783 vehicles a day (DfT 2025), behind the M25's 212,636 a day at the top.
Measured from 122 incidents recorded on the A1(M) since February 2026, the riskiest window is 11:00–14:00, when 20% of incidents start. The quietest is 00:00–03:00. Incidents on the A1(M) typically clear in about 56 minutes.
Daily A1(M) incidents, posted across all four channels.
🎵 TikTok 35,000+ › ▶️ YouTube 2,000+ › 📸 Instagram 1,500+ › 📘 Facebook 800+ › 📢Report an incident›Set it up once. We'll tell you what's happening while you can still turn off.
Broken down on the A1(M)? Pick the nearest town and call a local firm direct:
On a motorway? If you can, get onto the hard shoulder or into an emergency area, leave by the left-hand doors and wait behind the barrier. Stuck in a live lane: stay in the car with your seatbelt on and hazard lights on, and call 999.