Authority

The fields of competence of the National Roads Administration are very diverse and include:

• Intervention plans for motorway tunnels
• Road signs
  • Electrical signs
  • Vertical signs
  • Road markings
• Operation of the motorway network
• Extensive mowing
• Airport
• Tree pruning
• Analysis and testing of materials
• Topographic and photogrammetric products
  • 3D topographical maps
  • Digital terrain models
  • Digital 3D models of engineering works
  • Aerial photography
• Road-building permits
  • Ministerial road-building permits
  • Direct road-building permits
• Maintenance of the road network
• Traffic management
• Installation and maintenance of lighting on state roads, motorways and tunnels
• Geological studies/surveys
• Policing of the state’s public highways network

All these competences are described in detail on the French version of the site.