·         Universitary teachers specialized in roads and bridges, experts certified in this field – coordination of the the design activity and elaboration of the cost-benefit analysis;

·         Engineers specialized in roads and bridges, directly or through master studies, owners of certificates for road design through computer software;

·         Collaboration with companies specialized in elaboration of complete topographical documentation stamped according to the requirements;

·         Collaboration with companies specialized in elaboration of complete geotehnical studies and road expertise.