Pablo Saez VILLAR
Manager ACEX (Association of Conservation Director
Infrastructure and Exploitation)

ABSTRACT
Since the concept of road maintenance it is concluded that the application of new innovative technologies on firm, involving technological and resource optimization progress finds its "test" within this activity. The very nature of conservation contracts, their duration and the necessary level of confidence for its development ... so justify. In addition, the search for efficiency, in an economic environment like this, is a need for administrations and it carries its transfer to companies, which generates that this innovation is a pressing requirement, in which conservation can be most useful tool that can be used.

Keywords: Innovation, Conservation, Research, Bituminous mixture, tire out of use NFU, rubber modified mix, State indicator.