Road construction and maintenance refer to processes and activities related to the design, construction, maintenance, and improvement of roads, bridges, tunnels, railways, airports, and other public transportation infrastructure. This field includes actions such as planning transportation networks, designing and implementing transportation infrastructure, maintaining and improving them, and managing traffic and road safety. Road construction and maintenance are of great importance in the development of the transportation industry and social communication. This field includes activities such as:

Design and construction of transportation infrastructure: This includes the design and construction of roads, bridges, tunnels, railways, and airports to provide transportation connections between cities and different regions.

Maintenance and improvement of transportation infrastructure: This includes maintenance, repairs, and daily upgrades of transportation infrastructure to maintain their safety and efficiency.

Traffic management and road safety: This includes traffic planning, traffic control, and the creation of information and safety systems to maintain security and efficiency in public transportation.

Road construction and maintenance are essential for sustainable development and the enhancement of transportation infrastructure in any country. They play a vital role in boosting the economy and improving the lives of citizens.