The document discusses the application of Geographic Information Systems (GIS) in transportation engineering, emphasizing its role in optimizing routes, travel times, and cost management for public transit systems. It highlights various studies and methodologies that demonstrate the power of GIS in addressing complex transportation problems, improving service efficiency, and enhancing data accessibility. The use of algorithms and web-based tools for real-time transit information is also covered, showcasing the evolution and benefits of GIS technology in this field.