In 2023, road infrastructure investment in Japan stood at a significant level. Forecasted data from 2024 to 2028 shows a consistent downward trend in investment, with values decreasing each year. From 2024 to 2028, the projected year-on-year decline ranges between 3.3% and 3.4%, indicating a steady reduction. Over a five-year period, the compound annual growth rate (CAGR) is anticipated to reflect a downward trajectory, with an annual average decrease of approximately 3.5%.

Future trends to watch for include:

Potential policy changes aimed at revitalizing infrastructure spending.
Technological advancements and their impact on road infrastructure efficiencies.
Economic factors influencing public and private investment channels.
Environmental and sustainability policies affecting infrastructure priorities.