Héctor BARBERO MIGUEL
Managing Director. Maintenance and Exploitation Company M-30, SA (Madrid 28053)

ABSTRACT
The signage is one of the first actions to be performed by service tunnel operation upon detection of an incident. The importance of time in implementing these operations along with responsibility that derives from them factor, makes it advisable to be dealt with systematically. They must therefore be the subject of a planning and review of work performed.

In the case of tunnels usually it has a number of important resources, mainly technological, unlike what happens in the open. Due to the peculiarities surrounding urban tunnels, these tools provide a wealth of information and opportunities, facilitate management to be processed by systems aid decision-making.

Keywords: Security, Tunnel, Urban tunnel, Signaling, Exploitation, Impact, Street 30.