National Highway Situational Radar • Real-Time Datex II Protocol

UK Road Closures Today & Live Traffic Incident Radar

Real-time operational monitoring across the 4,500-mile UK Strategic Road Network. Verify active carriageway closures, emergency lane restrictions, predicted clearance times, and official Department for Transport (DfT STATS19) accident safety baselines.

UK Strategic Road Network Status Matrix

National Highways Real-Time Broadcast • Updated Every 15 Mins

Corridor	Route Role	Status	Operational Summary	Incidents	Live Hub
A38	A38 Trunk RoadDerbyshire, Staffordshire, West Midlands	Lane Restriction	National Highways reports one lane closed southbound between A5148 Lichfield and B5026 due to recovery operations following an earlier multi-vehicle collision. Residual delay is estimated at 22 minutes.	2	Inspect
A303	A303 Trunk RoadHampshire, Wiltshire, Somerset	Normal Flow	National Highways confirms normal traffic flow across the A303 corridor. Stonehenge bottleneck at Winterbourne Stoke is operating under typical seasonal volumes with no carriageway closures reported.	1	Inspect
A3	A3 Trunk RoadGreater London, Surrey, Hampshire	Normal Flow	Carriageways running clear in both directions. The Hindhead Tunnel is operating at full capacity under standard 70 mph dual carriageway regulations with zero lane closures.	0	Inspect
A19	A19 Trunk RoadSouth Yorkshire, North Yorkshire, Teesside	Lane 2 Closed Northbound near Billingham	Emergency carriageway pothole repair underway northbound between Wolviston Interchange and Billingham. Lane 2 is closed with 15 minutes delay on approach.	1	Inspect
A66	A66 Trans-Pennine Trunk CorridorCumbria, County Durham, North Yorkshire	Normal Flow	National Highways confirms clear carriageways across the Pennine pass. Wind speeds at Bowes and Stainmore summit are below safety threshold levels with no high-sided vehicle bans active.	0	Inspect
A14	A14 Strategic Freight CorridorSuffolk, Cambridgeshire, Northamptonshire	Normal Flow	National Highways telemetry indicates free-flowing traffic across the central freight section between Huntingdon and Kettering. Variable speed limits set to national standard.	0	Inspect
A46	A46 Cross-Country SpineSomerset, Gloucestershire, Warwickshire	Normal Flow	Traffic moving normally across all dual carriageway sections. Longbridge M40 junction and Newark roundabouts reporting no unexpected queues or closures.	0	Inspect
A5	A5 Historic Trunk RoadLondon, Hertfordshire, Bedfordshire	Normal Flow	National Highways reports open carriageways across the A5 network. Dunstable bypass and Hinckley low bridge corridors running with zero active road closures.	0	Inspect
M5	M5 MotorwayWest Midlands, Worcestershire, Gloucestershire	Lane 1 of 4 Closed Southbound over Avonmouth Bridge	National Highways South West reports lane 1 closed southbound on the M5 Avonmouth Bridge (J18 to J19) due to an emergency expansion joint safety check. Delays currently stand at 18 minutes.	1	Inspect
M25	M25 London Orbital MotorwaySurrey, Kent, Essex	Dartford Crossing	High traffic density and variable speed management around the Dartford QEII bridge are causing 25-minute delays clockwise. Anti-clockwise tunnel bores are operating normally.	1	Inspect
M1	M1 MotorwayGreater London, Hertfordshire, Bedfordshire	Normal Flow	National Highways confirms clear motorway conditions along the M1 corridor. Smart motorway emergency refuge areas and variable signs operating normally with zero active carriageway closures.	0	Inspect

Aerial photographic view of a British motorway corridor at dusk with electronic gantry signage displaying active traffic advisory and lane status — The UK Strategic Road Network (SRN) operates automated incident detection, variable speed limits, and electronic gantry signalling managed by National Highways Regional Operations Centres.

Architecture of the UK Strategic Road Network (SRN)

The English Strategic Road Network encompasses approximately 4,500 miles (7,240 km) of motorways and major trunk A-roads managed by National Highways on behalf of the Department for Transport. While accounting for only 2% of England’s total road length by mileage, the SRN carries more than 34% of all motor vehicle traffic and over 68% of all heavy goods vehicle (HGV) freight movement.

Datex II XML Integration

Polls official Traffic England and Regional Operations Centre incident feeds every 15 minutes, identifying active carriageway closures and lane restrictions.

STATS19 Safety Baseline

Aggregates 5-year certified Department for Transport collision reports, providing verified casualty severity rates and historical blackspot intelligence.

Strategic Diversion Routes

Documents designated Emergency Diversion Routes (EDR symbols) mapped to guide commercial freight safely around closed motorway sections.

Maintaining fluid operational capacity across this infrastructure is essential to the national economy, supporting supply chains between deepwater container terminals like the Port of Felixstowe and logistics distribution hubs concentrated along the central English motorway spine (M1, M6, M5, and M25 corridors).

Real-Time Datex II Incident Ingestion & Emergency Monitoring

Operational incident data broadcast through this radar is ingested via the European Datex II XML standard protocol. National Highways Regional Operations Centres in Godstone, Wakefield, Birmingham, Nottingham, and South Mimms monitor thousands of inductive MIDAS loop sensors embedded in carriageway asphalt alongside pan-tilt-zoom CCTV cameras.

When an unplanned obstruction or vehicle collision occurs, our platform captures the exact junction-to-junction spatial bounds, affected directional carriageway (Northbound, Southbound, Clockwise, or Anti-Clockwise), and assigned incident severity tier within 15 minutes of official verification.

Department for Transport (DfT) STATS19 Safety Baselines

In addition to real-time incident broadcast, each monitored corridor incorporates 5-year aggregated casualty intelligence derived from the Department for Transport’s certified STATS19 national database. Under the Road Traffic Act 1988, all road collisions involving personal injury reported to police forces are recorded with standardized geographic coordinates, weather variables, and severity classifications.

This dual-tier architectural model bridges the gap between immediate navigational urgency (determining if a route is passable today) and long-term infrastructure risk awareness (identifying recognized collision blackspots and weather-induced accident clustering).

Motorist Travel Intelligence & PAA Authority

Frequently Asked Highway & Travel Questions

Essential guidance compiled from National Highways operational protocols, Police collision reporting procedures, and the UK Highway Code.

How often is live UK road closure data updated?

Our incident radar synchronizes continuously with the official National Highways Datex II feed and Traffic England emergency logs every 15 minutes. High-impact emergency closures, overturned vehicles, and police rolling roadblocks are ingested and refreshed instantaneously.

What is the difference between a planned closure and an emergency closure?

Planned closures are pre-scheduled works (resurfacing, structural bridge repairs, overhead gantry maintenance) typically carried out overnight between 20:00 and 06:00 to minimize daytime traffic disruption. Emergency closures are immediate, unscheduled shutdowns ordered by National Highways or Police traffic officers in response to serious collisions, severe vehicle fires, structural damage, or severe weather conditions like flooding and high-elevation snowdrifts.

Where does the 5-year accident and casualty data come from?

Historical collision statistics, casualty breakdowns, and blackspot analyses are derived directly from the UK Department for Transport (DfT) certified STATS19 database. This dataset compiles official police accident investigation returns across all English, Scottish, and Welsh highway authorities under Open Government Licence v3.0.

How are official diversion routes determined when a motorway closes?

National Highways designs dedicated Emergency Diversion Routes (EDRs) for every strategic junction on the English motorway and trunk network. These routes are designated by standard geometric symbols (yellow symbols on black square backgrounds: diamonds, triangles, circles, and squares) signposted on local and regional A-roads to safely accommodate heavy freight traffic.

Who should I contact to report active debris or dangerous road hazards?

For active emergencies, stationary vehicles stranded in live running lanes without a hard shoulder, or major hazards on the motorway network, call 999 immediately. For general road debris or non-emergency highway enquiries in England, contact National Highways directly on 0300 123 5000.