BEIJING — China's investment in road and waterway infrastructure saw steady expansion in the first four months of the year, data from the Ministry of Transport shows.

Fixed-asset investment in road and waterway infrastructure rose 7.3 percent year-on-year to 729.5 billion yuan (about $107.51 billion) during the period, according to the ministry.

In breakdown, the country's fixed-asset investment in road construction climbed 7.7 percent year-on-year, while that for waterway infrastructure edged up 0.8 percent from the same period last year.

North China's Inner Mongolia autonomous region reported the fastest growth in this regard, with investment surging 107.1 percent from the previous year.

Northeast China's Liaoning province saw the sharpest decline during the January-April period, with investment plunging 81.2 percent year on year, the data shows.