The Transportation Engineer I, II, or III position involves performing engineering work in various functional areas, including planning, project development, design, construction, and transportation/traffic operations. Key responsibilities include analyzing highway maintenance contracts, overseeing construction project traffic control plans, and coordinating with governmental officials and private entities. The role requires making on-site engineering reviews, monitoring consultant progress and work quality, and performing data collection and analysis. Engineers at this level work under limited supervision and are expected to follow standard practices while maintaining compliance with laws and guidelines.