M25 Junction 15 Traffic

🚨 Live at M25 J15 right now

Checked 14:09 · auto-refresh

🐌 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 delay

Reported 13:34 · 34 min ago

🐌 Congestion · Minor

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

↻ ClockwiseJ15–J162 min delay

Reported 13:54 · 13 min ago

Planned closures at M25 J15

🌙 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 15 closed? Quick answers

Checked 14:09 on Tuesday 3 November 2026.

Is M25 junction 15 closed right now?

No. Nothing is closing the road at M25 junction 15 at 14:09. 2 live incidents are listed at this junction above.

Is M25 junction 15 closed tonight?

Yes. M25 junction 15 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 15 closed this weekend?

Yes. M25 junction 15 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 15 today?

No. No collision has been reported at M25 junction 15 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 J15 is

Location from the National Highways junction reference. Nearest towns: Staines, Ashford Middlesex, Egham, Iver.

📍 Heading to… from M25 J15

This junction is for

Heathrow Airport Airport · Heathrow, Greater London Reached from M25 J14-J15 spur · 2 miles east in a straight line 🧭 Directions Greater London traffic

Also near this junction

Thorpe Park Theme park · Chertsey, Surrey 4.5 miles south in a straight line 🧭 Directions Surrey traffic

Windsor Castle Heritage · Windsor, Berkshire 4.5 miles west in a straight line 🧭 Directions Berkshire traffic

Kempton Park Racecourse Racecourse · Sunbury-on-Thames, Surrey 5.5 miles south-east in a straight line 🧭 Directions Surrey traffic

LEGOLAND Windsor Resort Theme park · Windsor, Berkshire 6 miles west in a straight line 🧭 Directions Berkshire traffic

Allianz Stadium Twickenham Stadium · Twickenham, Greater London 7.5 miles east in a straight line 🧭 Directions Greater London traffic

Brooklands Museum Heritage · Weybridge, Surrey 8 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 J15

271Collisions

3Fatal

33Serious

412Casualties

Among the very worst on record

Ranked 8 of 556 UK junctions on record · 4 of 33 on the M25

Wider area: counting every road within 3 miles — local streets, A-roads, everything — 3,097 collisions are on record, 33 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 J15. 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 J15 → 4 of 33 junctions on the M25 · see where it ranks nationally

❓ M25 J15 — Frequently Asked Questions

Where is M25 junction 15?

M25 J15 is at Heathrow & Colnbrook. National Highways signs it as M4 Interchange. The nearest town is Staines.

Is there an accident at M25 J15?

No collision is listed at M25 J15 as of 14:09, but National Highways report: 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.

Is M25 junction 15 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 15?

Police STATS19 records show 271 collisions on the M25 within 2 miles of J15, including 3 fatal and 33 serious. Counting every road in the area, 3,097 collisions are recorded within 3 miles. That ranks it 8 of 556 UK junctions we hold collision records for.

Which places is M25 junction 15 the junction for?

M25 J15 is the junction for Heathrow Airport (airport, Heathrow), about 2 miles east in a straight line - reached from M25 J14-J15 spur.

What is near M25 junction 15?

Within 15 miles of M25 J15: Thorpe Park (theme park, Chertsey), about 4.5 miles south in a straight line; Windsor Castle (heritage, Windsor), about 4.5 miles west in a straight line; Kempton Park Racecourse (racecourse, Sunbury-on-Thames), about 5.5 miles south-east in a straight line; LEGOLAND Windsor Resort (theme park, Windsor), about 6 miles west in a straight line; Allianz Stadium Twickenham (stadium, Twickenham), about 7.5 miles east in a straight line; Brooklands Museum (heritage, Weybridge), about 8 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

← J14
Heathrow & Stanwell J16
Denham & Gerrards Cross →

📍 Towns near this junction

Staines 2.3 mi Ashford Middlesex 2.8 mi Egham 2.9 mi Iver 3.9 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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