M25 and M6 Drivers Face 15-Mile Tailbacks as Bank Holiday Rush Begins
Millions of motorists are beginning the Spring Bank Holiday getaway today, Thursday, May 21, with traffic authorities warning of severe congestion on major arterial routes. National Highways and the RAC have issued alerts for tailbacks stretching up to 15 miles as an estimated 18 million leisure trips are expected over the long weekend. Significant delays began building from 11:00 AM, particularly on the M25 and M6 motorways, as travelers attempt to beat the traditional Friday afternoon rush.
Traffic analysts identify the M25 clockwise near the Dartford Crossing and the M6 Northbound through the West Midlands as the primary hotspots for today’s travel. Motorists on these stretches could face additional travel times of up to 90 minutes. National Highways has confirmed that while many major roadworks on the M25 and M1 have been suspended to maximize capacity, the sheer volume of vehicles is expected to overwhelm several junctions before the evening peak.
Peak Congestion Times and Critical Bottlenecks
The most intense pressure on the road network is forecast to occur between 2:00 PM and 6:00 PM today. This window represents a critical “merger period” where early holiday travelers meet the daily school-run and commuter traffic. The RAC warns that those who do not depart before midday may find themselves caught in stationary traffic for several hours.
While Friday is traditionally labeled “Frantic Friday,” the shift toward Thursday departures has increased in recent years as drivers attempt to maximize their holiday time. This year, the combination of coastal-bound traffic and airport-bound travelers is creating a synchronized surge across the South East and the Midlands.
| Motorway Route | Specific Location | Expected Delay | Peak Traffic Window |
|---|---|---|---|
| M25 Clockwise | Junction 31 to Dartford Crossing | 60–90 Minutes | 1:00 PM – 7:00 PM |
| M6 Northbound | Junction 5 to Junction 10A (West Midlands) | 45–70 Minutes | 2:00 PM – 6:30 PM |
| M5 Southbound | Junction 15 to Junction 23 (South West) | 40–55 Minutes | 11:00 AM – 4:00 PM |
| A303 Westbound | Near Stonehenge | 30–50 Minutes | 10:00 AM – 3:00 PM |
Strategic Travel Advice to Avoid Holiday Delays
To minimize the risk of being caught in the heaviest tailbacks, National Highways recommends checking live traffic status via overhead gantries and mobile apps before 2:00 PM. Drivers are encouraged to delay their departure until after 7:00 PM tonight if they cannot leave before the midday surge. Traveling during the late evening or very early morning remains the most effective way to avoid the 15-mile queues currently forming on the orbital routes.
Vehicle preparation is also being highlighted as a key factor in preventing avoidable congestion. The RAC notes that a significant percentage of motorway delays during bank holidays are caused by preventable breakdowns, such as tyre punctures or running out of fuel and oil. Ensuring vehicles are road-ready before joining the M25 or M6 can prevent individual incidents from escalating into multi-mile gridlock.
For those heading toward the Kent coast or the Channel Tunnel, the Dartford Crossing remains the most volatile point in the network today. Alternative routes are limited, and drivers should ensure they have adequate water and supplies in the car should the 90-minute delay estimates increase during the afternoon peak. National Highways patrols have been stationed at key interchanges to clear any minor incidents as quickly as possible to maintain flow.
Source: RAC
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