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The Chinese railway tunnels are divided into four classes by length:


 * 1) Super-long tunnels (over 10,000 meters)
 * 2) Long tunnels (between 3,000 and 10,000 meters)
 * 3) Middle tunnels (between 500 and 3,000 meters)
 * 4) Short tunnels (less than 500 meters)

By 2008, there are 6,102 railway tunnels in operation in Mainland China. Their total length reaches 3938913 m.

This page lists the railway tunnels longer than 10 km in Mainland China, except those in metro system.

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There are 4 classes of road tunnels in China by length.
 * 1) Super-long tunnel (>3,000m)
 * 2) Long tunnel (1,000m-3,000m)
 * 3) Middle-tunnel (250m-1,000m)
 * 4) Short tunnel (<250m)

By 2012, there are 10,022 road tunnels and 8,052.7 km in total length in Mainland China,including 441 super-long tunnels with 1,984.8 km in total length and 1,944 long tunnels with 3,304.4 km in total length.

This page lists the road tunnels longer than 5 km in Mainland China.