The M1 southbound in Buckinghamshire has been shut between junction 14 (Broughton) and junction 13 (Brogborough) following a multi-vehicle collision, National Highways confirmed. Emergency services, including Thames Valley Police and South Central Ambulance Service, are on site.
Emergency Response Underway
National Highways Traffic Officers are assisting with traffic management. Motorists are advised to expect significant delays and seek alternative routes. The incident was reported on Monday, June 29, 2026, at around 8:54 PM.
According to National Highways, the closure is likely to remain in place for several hours as emergency services work at the scene. No details on injuries have been released yet.
Traffic Impact
Drivers are being diverted via the A421 and A5130. National Highways urged motorists to plan ahead and allow extra travel time. The live blog will be updated as more information becomes available.
