As of 2023, the length of highways in China stands at roughly 553,630 kilometers. The forecast for the upcoming years suggests a steady increase: by 2024, it reaches 566,310 kilometers, growing to 616,250 kilometers by 2028. This represents a consistent annual growth rate, with year-on-year increases averaging slightly over 2.6% per year from 2024 to 2028, and a 5-year CAGR of approximately 2.18%.

Future trends to watch for:

Continued investment in infrastructure development driven by urbanization and regional connectivity.
Potential technological advancements leading to smarter and more sustainable highway constructions.
Government policies aimed at reducing carbon emissions which could influence highway development priorities.