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16Junction

M25 Junction 16 Traffic

Denham & Gerrards Cross · M40 Interchange · near Iver

M25 J16 at 12:15 on Thursday 12 November: closure planned from 22:00.

Home › Traffic › Roads › M25 › Junction 16

🚨 Live at M25 J16 right now

Checked 12:15 · auto-refresh
✅Nothing reported at M25 J16 right now.
Planned closures at M25 J16
🌙 Planned from 22:00 until 05:30 Fri 13 Nov
M25 Anti-clockwise Jct 17 to Jct 16 carriageway closure
↺ Anti-clockwiseCarriageway closed
Diversion: Diversion via National Highways and Local Authorities Network

Straight from National Highways, re-checked every 3 minutes while this page is open.

All live M25 traffic →M25 clockwise →M25 anticlockwise →M25 roadworks →

Is M25 junction 16 closed? Quick answers

Checked 12:15 on Thursday 12 November 2026.

Is M25 junction 16 closed right now?

No. Nothing is closing the road at M25 junction 16 at 12:15.

Is M25 junction 16 closed tonight?

Yes. M25 junction 16 has 1 full closure planned tonight (Thu 12 Nov, 18:00 to 06:00): Anti-clockwise Jct 17 to Jct 16 carriageway closure, 22:00 to 05:30. Diversion: Diversion via National Highways and Local Authorities Network.

Tonight: every M25 closure ›

Is M25 junction 16 closed this weekend?

Yes. M25 junction 16 has 1 full closure planned this weekend (Fri 13 Nov 18:00 to Mon 16 Nov 06:00): Anti-clockwise Jct 17 to Jct 16 carriageway closure, Fri 23:00 to 06:00. Diversion: Diversion via National Highways and Local Authorities Network.

This weekend: every M25 closure ›

Is there an accident at M25 junction 16 today?

No. No collision has been reported at M25 junction 16 since midnight.

M25 accidents today and yesterday ›

Answers use official data only: the National Highways live incident feed and their planned closure report. A closure is counted here when National Highways name this junction or a stretch that runs through it.

🗺️ Where M25 J16 is

Location from the National Highways junction reference. Nearest towns: Iver, Uxbridge, Hillingdon, Hayes.

📍 Heading to… from M25 J16

Places and the junctions they are reached from are kept by our team; distances are measured in a straight line from the junction, not along the road.

⚠️ Collision record on the M25 at J16

91Collisions
0Fatal
8Serious
119Casualties
29
Better than most
Ranked 395 of 556 UK junctions on record · 30 of 33 on the M25

Wider area: counting every road within 3 miles — local streets, A-roads, everything — 2,803 collisions are on record, 23 of them fatal. That figure follows how built-up the area is, so it is shown for context and is not what the ranking uses.

Department for Transport STATS19 police collision records on the M25 itself, within 2 miles of J16. This is the free summary — the full breakdown by severity, weather, road surface, time of day and individual record is in the blackspot report.

📊 Full collision analysis for M25 J16 → 30 of 33 junctions on the M25 · see where it ranks nationally

❓ M25 J16 — Frequently Asked Questions

Where is M25 junction 16?

M25 J16 is at Denham & Gerrards Cross. National Highways signs it as M40 Interchange. The nearest town is Iver.

Is there an accident at M25 J16?

No — as of 12:15 National Highways list nothing at M25 J16. This page re-checks their live feed every few minutes, 24 hours a day.

Is M25 junction 16 closed?

Not right now. Planned: M25 Anti-clockwise Jct 17 to Jct 16 carriageway closure, from 22:00 until 05:30 Fri 13 Nov.

How many accidents happen at M25 junction 16?

Police STATS19 records show 91 collisions on the M25 within 2 miles of J16, including 0 fatal and 8 serious. Counting every road in the area, 2,803 collisions are recorded within 3 miles. That ranks it 395 of 556 UK junctions we hold collision records for.

What is near M25 junction 16?

Within 15 miles of M25 J16: Heathrow Airport (airport, Heathrow), about 4.5 miles south-east in a straight line; Windsor Castle (heritage, Windsor), about 5.5 miles south-west in a straight line; LEGOLAND Windsor Resort (theme park, Windsor), about 8 miles south-west in a straight line; Cliveden (heritage, Taplow), about 8 miles west in a straight line; Allianz Stadium Twickenham (stadium, Twickenham), about 9 miles south-east in a straight line; Thorpe Park (theme park, Chertsey), about 9 miles south in a straight line.

🚨 Live M25 traffic

Live incidents, roadworks and delays for the whole M25, updated every 5 minutes from National Highways.

🚗 M25 live traffic →

↔️ Next junctions

← J15
Heathrow & Colnbrook J17
Chorleywood & Rickmansworth →

📍 Towns near this junction

Iver 0.9 mi Uxbridge 1.4 mi Hillingdon 2.4 mi Hayes 4 mi

🔢 All M25 junctions

J1A J1B J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J15 J16 J17 J18 J19 J20 J21 J21A J22 J23 J24 J25 J26 J27 J28 J29 J30 J31

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