42 Technical consultation services in the field of transportation operation modeling and systems, namely, designing computer and information systems, programs and solutions for transportation operational system optimization and automation, and project management related thereto; consultancy in the fields of transportation computer software, computers and data processing techniques; consulting services related to transportation computer programs, namely, operating system software, interface and applications software for resource allocation, scheduling, input/output control, data management, communication management and network management; and technical support services related to the above, namely, implementation and maintenance of software programs