M25 Junction 16 Traffic

🚨 Live at M25 J16 right now

Checked 14:08 · auto-refresh

🐌 Congestion · Minor

The M25 clockwise between junctions J15 and J16. Congestion. Currently Active

↻ ClockwiseJ15–J162 min delay

Reported 13:54 · 13 min ago

Nearby on the M25

🐌 Congestion · Minor

The M25 clockwise between junctions J14 and J15. Congestion. Normal traffic conditions are expected between 14:30 and 14:45 on 03 November 2026. Currently Active

↻ ClockwiseJ14–J154 min delay1 junction away

Reported 13:34 · 34 min ago

Planned closures at M25 J16

🌙 Planned from 22:00 until 05:30 Wed 4 Nov

M25 Anti-clockwise Jct 16 to Jct 15 carriageway, exit slip road and link road closure

↺ Anti-clockwiseCarriageway closed

Diversion: Diversion via Local Authority and National Highway 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 14:08 on Tuesday 3 November 2026.

Is M25 junction 16 closed right now?

No. Nothing is closing the road at M25 junction 16 at 14:08. 1 live incident is listed at this junction above.

Is M25 junction 16 closed tonight?

Yes. M25 junction 16 has 1 full closure planned tonight (Tue 3 Nov, 18:00 to 06:00): Anti-clockwise Jct 16 to Jct 15 carriageway, exit slip road and link road closure, 22:00 to 05:30. Diversion: Diversion via Local Authority and National Highway network.

Tonight: every M25 closure ›

Is M25 junction 16 closed this weekend?

Yes. M25 junction 16 has 1 full closure planned this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00): Anti-clockwise Jct 16 to Jct 15 carriageway, exit slip road and link road closure, Fri 23:00 to 06:00. Diversion: Diversion via Local Authority and National Highway 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

Also near this junction

Heathrow Airport Airport · Heathrow, Greater London 4.5 miles south-east in a straight line 🧭 Directions Greater London traffic

Windsor Castle Heritage · Windsor, Berkshire 5.5 miles south-west in a straight line 🧭 Directions Berkshire traffic

LEGOLAND Windsor Resort Theme park · Windsor, Berkshire 8 miles south-west in a straight line 🧭 Directions Berkshire traffic

Cliveden Heritage · Taplow, Buckinghamshire 8 miles west in a straight line 🧭 Directions Buckinghamshire traffic

Allianz Stadium Twickenham Stadium · Twickenham, Greater London 9 miles south-east in a straight line 🧭 Directions Greater London traffic

Thorpe Park Theme park · Chertsey, Surrey 9 miles south in a straight line 🧭 Directions Surrey traffic

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

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 collision is listed at M25 J16 as of 14:08, but National Highways report: The M25 clockwise between junctions J15 and J16. Congestion. Currently Active.

Is M25 junction 16 closed?

Not right now. Planned: M25 Anti-clockwise Jct 16 to Jct 15 carriageway, exit slip road and link road closure, from 22:00 until 05:30 Wed 4 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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