M25 in the UK has again been disrupted after authorities closed the Queen Elizabeth II (QEII) Bridge at Dartford Crossing after a police incident. The closure has brought one of the UK’s busiest motorway routes to a near standstill, causing long queues, severe delays, and widespread travel disruption across Kent, Essex, and surrounding areas.
Thousands of commuters, freight operators, and long-distance travellers have been affected as traffic is forced to divert through the Dartford Tunnels. Emergency services remain at the scene while authorities manage the situation and monitor safety conditions. No official reopening time has been confirmed, leaving drivers facing uncertainty and extended journey times.
M25 Dartford Crossing Traffic Update
Traffic conditions on the M25 remain extremely heavy in both directions around the Dartford Crossing. Vehicles are moving slowly or coming to a standstill in several stretches as congestion builds near key junctions.
National Highways reports long tailbacks forming on both sides of the river crossing. Motorists approaching from Kent and Essex are experiencing significant delays as all southbound traffic is redirected away from the QEII Bridge. The diversion through the tunnels is also under pressure due to high vehicle volume.
M25 Dartford Crossing: What Happened?
The QEII Bridge was closed after Essex Police and emergency responders were called to the scene following concerns for a man’s welfare on the bridge. The incident prompted immediate safety measures, including a full shutdown of the bridge to traffic.
Emergency services quickly arrived and secured the area. As a result, all southbound traffic on the A282 was halted, while northbound traffic was also affected due to pressure on tunnel routes. Authorities continue to manage the situation with caution while the incident is being addressed.
M25 Traffic Update: Why is the Queen Elizabeth II Bridge Closed on the M25?
The bridge remains closed due to an ongoing police-led incident. Safety protocols require complete closure in such situations to allow emergency teams to operate without risk and to prevent further complications.
National Highways confirmed that the closure is precautionary and remains in place until police declare the area safe. Because of the sensitive nature of the incident, officials have not released additional details, and no timeline has been set for reopening.
M25 Dartford Crossing Traffic Update: Delays & Congestion
Traffic delays have escalated significantly throughout the day. Motorists are experiencing:
- Delays of 90 minutes to 3 hours clockwise
- Delays of 55 to 90 minutes anticlockwise
- Long queues stretching up to 13 miles
- Severe congestion around junction 30 and junction 1A
As the day progresses, delays are expected to increase further, especially during peak travel hours. Recovery is likely to be slow even after the bridge reopens due to heavy residual traffic.
M25 Dartford Crossing Traffic Update: Closed Roads
Several key sections around the crossing remain affected:
- QEII Bridge (A282) closed clockwise/southbound
- M25 between J30 (A13) and J1A Dartford restricted
- Pressure on Dartford Tunnel approaches
- Reduced flow capacity on connecting M25 segments
Traffic officers are actively managing entry points, but the volume of vehicles is exceeding normal capacity, worsening congestion.
M25 Dartford Crossing Traffic Update: Diversion Routes
Authorities have activated a major diversion route to manage traffic flow around the closure. Drivers are being instructed to follow the hollow triangle diversion signage. The recommended route includes:
- Exit M25 at J30 (A13) towards Dagenham/Central London
- Continue via A12/A102 interchange
- Join A102 southbound via Blackwall Tunnel
- Follow A102 and A2 through Kidbrooke and Danson areas
- Rejoin M25 at J2 (Darenth Interchange)
Motorists are advised to expect heavy congestion along diversion roads as well, particularly near the Blackwall Tunnel.
M25 Dartford Crossing Traffic Update: When Will the Traffic Reopen?
At this stage, there is no confirmed reopening time for the QEII Bridge. Authorities have stated that the closure will remain in place until the police investigation and safety checks are fully completed.
Because the incident is ongoing, reopening could take several hours or longer, depending on operational requirements. Drivers are being urged to avoid the area and plan alternative routes.
M25 Dartford Crossing Traffic Update: What Did National Highways Say?
National Highways confirmed that the closure is due to a “police-led incident” and warned motorists to expect severe disruption. Officials said traffic caught within the closure is being carefully managed, with vehicles turned back where possible.
They also stated that there is currently no estimated time for reopening and that updates will be issued as the situation develops. Drivers are encouraged to check live traffic information before travelling.
M25 Traffic Update: Why is Dartford Crossing So Heavily Affected?
Dartford Crossing is one of the busiest and most critical transport links in the UK, carrying thousands of vehicles daily between Kent and Essex.
Even a short disruption creates a major ripple effect across the entire M25 orbital motorway. Because there are limited river crossing options in this area, traffic quickly builds up when one route is closed. This leads to long queues, gridlock conditions, and widespread delays extending far beyond the immediate closure zone.
M25 Dartford Crossing Traffic Update: What Drivers Should Know?
Motorists using or planning to use the M25 are advised to:
- Avoid the Dartford Crossing completely if possible
- Expect delays of over 1–3 hours
- Monitor live traffic updates before travelling
- Consider delaying journeys until conditions improve
- Allow extra time if travel is unavoidable
Traffic conditions remain unpredictable, and congestion may persist even after the bridge reopens.
M25 Dartford Crossing Traffic Update: Helpline Numbers
Drivers affected by the disruption can contact the following services for updates and assistance:
- National Highways Traffic Information: 0300 123 5000
- Emergency Services: 999 (for life-threatening situations only)
- Non-emergency Police: 101
Motorists are advised to use official channels for accurate updates and avoid relying on unverified social media reports.
