In 2023, the total length of expressways and Class I to IV highways in China was recorded at 540.30 ten thousand kilometers. The forecasted data indicates a consistent year-on-year growth, with an increase from 554.82 in 2024 to 616.98 in 2028, reflecting steady expansion. This represents an annual average growth rate of approximately 2.72% over the five-year period from 2024 to 2028.

Looking ahead, future trends to watch include:

The impact of policy changes aimed at accelerating infrastructure development.
Technological advancements that could influence construction methods and materials.
Sustainability measures being integrated into highway planning and development.
Regional disparities in infrastructure growth driven by economic and geographical factors.