Index Architecture
HTML Sitemap & Highway Directory
Comprehensive hierarchical index of all live monitored road corridors, strategic freight routes, and institutional compliance documentation across the UK Strategic Road Network.
Motorways
Strategic Motorway Corridors (4)
- M5M5 Motorway (Midlands to South West England)162 miles • West Midlands, Worcestershire, Gloucestershire
- M25M25 London Orbital Motorway117 miles • Surrey, Kent, Essex
- M1M1 Motorway (London to Leeds North-South Backbone)193 miles • Greater London, Hertfordshire, Bedfordshire
- M4M4 Motorway (London to South Wales Arterial)189 miles • Greater London, Berkshire, Wiltshire
Trunk Roads
Primary Trunk A-Road Corridors (9)
- A38A38 Trunk Road (Midlands to Cornwall Spine)292 miles • Derbyshire, Staffordshire, West Midlands
- A303A303 Trunk Road (London to South West Arterial)93 miles • Hampshire, Wiltshire, Somerset
- A3A3 Trunk Road (London to Portsmouth Corridor)67 miles • Greater London, Surrey, Hampshire
- A19A19 Trunk Road (Yorkshire to North East Coastal Spine)124 miles • South Yorkshire, North Yorkshire, Teesside
- A66A66 Trans-Pennine Trunk Corridor115 miles • Cumbria, County Durham, North Yorkshire
- A14A14 Strategic Freight Corridor (Felixstowe to M1/M6)127 miles • Suffolk, Cambridgeshire, Northamptonshire
- A46A46 Cross-Country Spine (Bath to Lincoln)147 miles • Somerset, Gloucestershire, Warwickshire
- A5A5 Historic Trunk Road (Watling Street Spine)243 miles • London, Hertfordshire, Bedfordshire
- A30A30 Trunk Road (Devon & Cornwall Spine)284 miles • Devon, Cornwall, Somerset
Governance
Institutional Documentation & Data Lineage
- E-E-A-TData Lineage & Operational MethodologyDfT STATS19 ETL pipeline, National Highways Datex II feed, OGL v3.0
- GDPRUK GDPR & Privacy DirectivesNon-personal telemetry retention, cookie compliance, ICO guidelines
- LEGALTerms of Service & Emergency DisclaimersStatutory liability limits, driver responsibilities, Crown copyright