Road tunnel construction work
DIR Nord-Ouest | Published January 8, 2016
La Société SDEL transport grands projets (mandataire du groupement SDEL transport grands projets/Citeos Rouen / signature traffic systems)
45221241, 45311200, 45316200
Rn28 Grand Mare tunnel - Phase 1.2 of the emergency control operation. Upgrading or renewal of safety equipment (lighting, signage, self-clearing equipment, etc.), dynamic signaling equipment, the radio system, automatic incident detection and networks, systems electrical and computer associates tunnel Grand'Mare.