The field of transportation engineering integrates the building sciences with the creative problem-solving needed to create ground-breaking new infrastructure, systems, and solutions. Jobs in this diverse subject are accessible in both the commercial and governmental sectors. Experts in transportation engineering devise strategies, create blueprints, build, run, and repair networks. Their work encompasses a wide variety of tasks, from investigating potential new projects to maintaining current infrastructure. By doing so, we can be confident that individuals will update previous projects as needed and that new technology will be safely integrated into future ones. To predict journeys, determine whether new infrastructure is necessary, and suggest investment programs & transportation policies to reduce congestion and other problems in the future, transportation planners must first comprehend and analyze travel behaviour. Considerations such as projected congestion, population expansion, and proposed new settlements could inform transportation planners’ assessments of a region’s need for a new route. Transportation designs are necessary to direct the installation of certain facilities, after the development of new infrastructures. They include figuring out crucial characteristics of transportation infrastructures, such as their size, placement, geometry, and capacity, among other things. A new highway’s transportation design, for instance, would specify the highway’s precise location, size, traffic capacity, curvature, vertical alignment, and pavement thickness, among other characteristics. When building transportation infrastructure, transportation designs are essential.