As of March 31, 2022, Japan counted approximately 5.01 thousand kilometers of road tunnels, increasing from around 4.32 thousand kilometers in 2014. Most tunnels measure between 100 and 500 meters.
Total length of road tunnels in Japan from 2014 to 2022
(in 1,000 kilometers)
Due to the Tohoku earthquake on March 11, 2011, some of the municipal roads in Fukushima Prefecture have not been included in the data from 2011 to 2018.
Values prior to 2022 come from previous reports.
Values have been rounded.
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MLIT (Japan). (March 22, 2024). Total length of road tunnels in Japan from 2014 to 2022 (in 1,000 kilometers) [Graph]. In Statista. Retrieved November 10, 2024, from https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/
MLIT (Japan). "Total length of road tunnels in Japan from 2014 to 2022 (in 1,000 kilometers)." Chart. March 22, 2024. Statista. Accessed November 10, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/
MLIT (Japan). (2024). Total length of road tunnels in Japan from 2014 to 2022 (in 1,000 kilometers). Statista. Statista Inc.. Accessed: November 10, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/
MLIT (Japan). "Total Length of Road Tunnels in Japan from 2014 to 2022 (in 1,000 Kilometers)." Statista, Statista Inc., 22 Mar 2024, https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/
MLIT (Japan), Total length of road tunnels in Japan from 2014 to 2022 (in 1,000 kilometers) Statista, https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/ (last visited November 10, 2024)
Total length of road tunnels in Japan from 2014 to 2022 (in 1,000 kilometers) [Graph], MLIT (Japan), March 22, 2024. [Online]. Available: https://www-statista-com.ezproxy.canberra.edu.au/statistics/862721/japan-road-tunnel-length/
