Duties include leading site visits, preparing CAD mark-ups, geometric roadway layout and design, performing 3D corridor modeling, writing project specifications and technical reports, calculating construction quantities, estimating construction costs, coordinating with clients and stakeholders, drafting scope and budget documents for transportation-related tasks, and preparing project correspondence. The Senior Transportation Project Engineer 1 efficiently performs advanced levels of engineering calculations, alternatives analysis, and design on the largest, most complex transportation projects that include sidewalks, bike paths, local roadways, intersections, highways, freeways, and other transportation facilities.