Alexandru Arba
Research expert covering Japan
Detailed statistics
Length of roads in Japan 2012-2021
Detailed statistics
Investment value in public roads in Japan FY 2010-2019
Detailed statistics
Number of motor vehicles in use in Japan 2014-2023
Length of roads in Japan 2012-2021
Total length of roads in Japan from 2012 to 2021 (in 1,000 kilometers)
Area of roads in Japan 2015-2020
Area of roads in Japan from 2015 to 2020 (in 1,000 square kilometers)
Length of road bridges in Japan 2011-2020
Total length of road bridges in Japan from 2011 to 2020 (in 1,000 kilometers)
Length of tunnels in Japan 2014-2021
Total length of road tunnels in Japan from 2014 to 2021 (in 1,000 kilometers)
Number of motor vehicles in use in Japan 2014-2023
Total number of motor vehicles in use in Japan from 2014 to 2023 (in millions)
Length of standard-improved roads in Japan 2012-2021
Length of standard-improved roads in Japan from 2012 to 2021 (in 1,000 kilometers)
Distribution of standard-improved roads in Japan based on length 2020, by width
Distribution of standard-improved roads in Japan based on length as of March 2020, by width
Length of roads in Japan 2020, by road type
Length of roads in Japan as of March 2020, by road type (in 1,000 kilometers)
Distribution of roads in Japan based on length 2020, by pavement
Distribution of roads in Japan based on length as of March 2020, by pavement
Length of roads in Japan 2020, by prefecture
Length of roads in Japan as of March 2020, by prefecture (in 1,000 kilometers)
Number of bridges in Japan 2011-2020
Total number of road bridges in Japan from 2011 to 2020 (in 1,000s)
Number of bridges in Japan 2020, by superstructure material
Number of road bridges in Japan as of March 2020, by material used for superstructure (in 1,000s)
Number of bridges in Japan 2020, by structure
Number of road bridges in Japan as of March 2020, by structure (in 1,000s)
Length of road bridges in Japan 2020, by prefecture
Length of road bridges in Japan as of March 2020, by prefecture (in kilometers)
Distribution of road bridge soundness in Japan 2022
Distribution of inspection results of road bridge conditions in Japan as of March 2022
Number of tunnels in Japan 2014-2020
Number of road tunnels in Japan from 2014 to 2020
Number of tunnels in Japan 2020, by length
Number of road tunnels in Japan as of March 2020, by length
Length of tunnels in Japan 2020, by interior
Length of road tunnels in Japan as of March 2020, by interior (in kilometers)
Length of tunnels in Japan 2020, by prefecture
Length of road tunnels in Japan as of March 2020, by prefecture (in kilometers)
Distribution of road tunnel soundness in Japan 2022
Distribution of inspection results of road tunnel conditions in Japan as of March 2022
Investment value in public roads in Japan FY 2010-2019
Investment value in public road construction and maintenance in Japan from fiscal year 2010 to 2019 (in trillion Japanese yen)
Length of newly-paved sections of public roads in Japan FY 2014-2019
Length of newly-paved sections of public roads in Japan from fiscal year 2014 to 2019 (in 1,000 kilometers)
Maintenance rate of roads in Japan 2020, by type
Maintenance rate of roads in Japan as of March 2020, by road type
Length of maintained public road sections in Japan FY 2019, by maintenance work
Length of maintained sections of public roads in Japan in fiscal year 2019, by maintenance work (in 1,000 kilometers)
Most congested national expressways in Japan 2019
National expressway sections with the highest congestion in Japan in 2019 (in 1,000 person-hours)
Most congested urban expressways in Japan 2019
Urban expressway sections with the highest congestion in Japan in 2019 (in 1,000 person-hours)
Distribution of lost time in traffic on national expressways in Japan 2019, by cause
Distribution of lost time in traffic on national expressways in Japan in 2019, by cause
Share of people regularly involved in traffic jams in Japan 2021
Share of people regularly involved in traffic jams in Japan as of August 2021
Leading measures for roads citizens wished to see reinforced in Japan 2021
Leading measures for roads that citizens wished to see reinforced in Japan as of August 2021
Most common nuisances due to automobile traffic Japan 2021
Most common annoyances due to automobile traffic in Japan as of August 2021
View on the funding of expressway maintenance and renewal costs in Japan 2021
Opinion on the funding of expressway maintenance, repair, and renewal costs in Japan as of August 2021
View on the relation between expressway tolls and traffic jam in Japan 2021
Opinion on the relation between expressway tolls and traffic congestion in Japan as of August 2021
Mon - Fri, 9am - 6pm (EST)
Mon - Fri, 9am - 5pm (SGT)
Mon - Fri, 10:00am - 6:00pm (JST)
Mon - Fri, 9:30am - 5pm (GMT)
Mon - Fri, 9am - 6pm (EST)