A21 Traffic Cameras

Check A21 Traffic Cameras across the UK to see live road conditions, traffic flow, congestion and incidents along one of Britain’s busiest motorways. Live A21 CCTV views can help you understand current traffic conditions before setting off, whether you are commuting, travelling for work or making a longer journey.

Live route weather

A21 Weather & Driving Conditions

20.4°C Clear sky

Updated 15:45 UK time

Feels like 17.3°C
Rain next 3 hours 0%
Wind 8.5 mph NW
Visibility 14.8 miles
Generally good conditions

No significant weather-related driving risk is indicated for this route snapshot.

17:00 Clear sky · 0% rain
20°
18:00 Clear sky · 0% rain
20°
19:00 Clear sky · 0% rain
19°
Route snapshot calculated from 11 geolocated cameras. Weather data by Open-Meteo

Active A21 Road Hazards

Approved driver reports for this route.

Report a Hazard
No approved active hazards are currently listed for A21.

A21 live camera feeds

Current A21 Traffic Conditions

Traffic conditions on the A21 can change quickly, particularly around known bottleneck areas such as the Tonbridge bypass, Pembury, and the Kippings Cross junction. Accidents on single-carriageway sections tend to cause more significant delays than those on dual-carriageway stretches, since overtaking opportunities are limited and traffic often backs up for miles.

If an incident has occurred today, expect potential delays in the following areas depending on the accident location:

  • Sevenoaks to Tonbridge: Heavy congestion likely during rush hour
  • Pembury to Lamberhurst: Single-carriageway section prone to long tailbacks
  • Flimwell to Hastings: Rural stretch where recovery vehicles may take longer to arrive

A21 Cameras: Monitoring the Route in Real Time

Our network of a21 cameras covers key junctions and known accident hotspots along the route. These cameras allow drivers to visually confirm current conditions rather than relying solely on text-based alerts, which can sometimes lag behind real-world events. Checking camera footage before departure gives you a clearer, more immediate understanding of whether a reported incident is still affecting traffic flow.

A21 Traffic Cameras Across Major Junctions

Our a21 traffic cameras are positioned to give visibility across the most heavily used sections of the road, including:

  • The Sevenoaks bypass and A21/A25 interchange
  • Tonbridge and the A21/A26 junction
  • Pembury and the hospital roundabout area
  • Lamberhurst and the Kent/East Sussex border
  • Flimwell crossroads leading toward Hastings

Each location is monitored to help identify exactly where congestion begins and how far it extends, giving drivers a more accurate picture than generalized traffic reports.

A21 Live Traffic Cameras: Why Timing Matters

Accidents can clear faster than expected, or conditions can worsen rapidly depending on recovery time and emergency response. Checking a21 live traffic cameras shortly before you leave gives you the most accurate snapshot of current conditions, rather than relying on older reports that may no longer reflect the situation on the ground.

During adverse weather, such as fog common in the Wealden countryside sections, camera visibility may be reduced. In these cases, we recommend cross-referencing camera footage with official highway authority updates for a complete picture before undertaking longer journeys.

Our content is reviewed and updated regularly using established UK traffic monitoring data, ensuring the information presented here remains accurate and reliable for anyone checking road conditions on the A21 today.

Frequently Asked Questions

  1. Has there been an accident on the A21 today?

    Accident status changes throughout the day. Check our live camera feeds and traffic updates above for the most current information on any reported incidents along the route.

  2. Which sections of the A21 are most prone to accidents?

    Single-carriageway stretches such as Pembury to Lamberhurst tend to see more incidents due to limited overtaking space and higher-speed rural driving conditions.

  3. How can I check A21 traffic cameras in real time?

    Our live camera feeds, positioned at major junctions along the A21, are updated regularly and accessible on both desktop and mobile devices.

  4. What should I do if I encounter an accident on the A21?

    Slow down, follow any diversion signage, and avoid stopping unnecessarily. If you're delayed, consider using our live traffic cameras to check alternative routes before setting off.

  5. Are there alternative routes if the A21 is closed due to an accident?

    Yes, depending on the location, drivers can often divert via local B-roads or nearby routes, though these may also experience increased congestion during a closure.

  6. How often is A21 traffic camera information updated?

    Our traffic camera feeds and incident data are refreshed regularly throughout the day to reflect near real-time conditions on the road