A4 closed Knightsbridge westbound (obstruction)

Cleared Cleared at 15:17 on 10 Oct 2026, after 1 h 7 min.

Road closure on the A4 westbound at Knightsbridge on Saturday 10 October 2026, from 14:09. Cleared at 15:17 after 1 h 7 min. Timeline of reports from TfL.

1. ▲

   A4 westbound · Knightsbridge

   Obstruction or hazard

   Sat 14:09–Sat 15:17 (cleared after 1 h 7 min)

   TfL

At its worst: road closed

See the A4 on the live map A4 traffic now

Timeline

1. Sat 14:09 TfL: obstruction or hazard, road closed
2. Sat 14:21 TfL: “(Westbound) at the junction of Wilton Place - Road is closed due to a building fire Use other route. Northbound traffic is slow on Grosvenor Place from Buckingham Palace Road. Westbound traffic is slow on Piccadilly a…”
3. Sat 14:31 TfL: road reopened, “Lane one and two m(of three) is closed due to a building fire. Northbound traffic is slow on Grosvenor Place from Buckingham Palace Road. Westbound traffic is slow on Piccadilly approaching Hyde Park Corner. Eastbound…”
4. Sat 14:57 TfL: “All lanes are open following clearance of a building fire. Northbound traffic is slow on Grosvenor Place from Buckingham Palace Road. Westbound traffic is slow on Piccadilly approaching Hyde Park Corner. Eastbound tra…”
5. Sat 14:59 TfL: “Lane one and two m(of three) is closed due to a building fire. Northbound traffic is slow on Grosvenor Place from Buckingham Palace Road. Westbound traffic is slow on Piccadilly approaching Hyde Park Corner. Eastbound…”
6. Sat 15:01 TfL: “All lanes are open following clearance of a building fire. Northbound traffic is slow on Grosvenor Place from Buckingham Palace Road. Westbound traffic is slow on Piccadilly approaching Hyde Park Corner. Eastbound tra…”
7. Sat 15:05 TfL: “[A4] Knightsbridge (Westbound) at the junction of Wilton Place - All lanes are open following clearance of a building fire. Northbound traffic is slow on Grosvenor Place. Expect delays”
8. Sat 15:17 TfL no longer reports it
9. Sat 15:17 All clear: no source reports it any more

What the sources said

• [A4] Knightsbridge (Westbound) at the junction of Wilton Place - All lanes are open following clearance of a building fire. Northbound traffic is slow on Grosvenor Place. Expect delays

Other recent incidents on the A4

• A4 crash Piccadilly eastbound · yesterday 06:45, cleared after 1 h 5 min
• A4 crash Great West Road westbound · Thu 22:57, cleared after 12 h
• A4 crash Bath Road eastbound · 6 Oct 2026 23:29, cleared after 54 min
• A4 crash Trafalgar Square northbound · 4 Oct 2026 02:23, cleared after 15 h 11 min
• A4 crash Strand westbound · 26 Sept 2026 21:21, cleared after 1 h 45 min
• A4 stopped traffic · 23 Sept 2026 15:48, cleared after 2 h 43 min
• A4 stopped traffic The Avenue → Hounslow · 23 Sept 2026 06:47, cleared after 13 h 24 min
• A4 closed · 22 Sept 2026 16:15, cleared after 29 h 42 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.