#1
Longest Highway in Japan
Sorted by Route Length
Value: 20,557 km
Highway in Japan
Asian Highway 1 is a highway located in Japan. This page highlights its key ranking metrics, including Route Length, Lane Count, and Maximum Speed Limit, to help users compare it with other highways in Japan.

See how this highway performs across different ranking categories in Japan.
#1
Sorted by Route Length
Value: 20,557 km
#1
Sorted by Maximum Speed Limit
Value: 120 kmh
#5
Sorted by Opening Year
Value: 1,959 year
#2
Sorted by Route Length
Value: 20,557 km
| Metric | Value | Description |
|---|---|---|
| Route Length | 20,557 km | Total official length of the highway route. |
| Lane Count | 4 | Maximum or mainline number of traffic lanes on the highway. |
| Maximum Speed Limit | 120 kmh | Highest legally posted speed limit on the highway. |
| Opening Year | 1,959 year | Year when the highway or its first major section officially opened. |
Metric values are based on the verified sources listed below.
Asian Highway 1 is located in Japan. The location details shown here are based on the currently available city, state, and country information for this highway.
Explore other highways in Japan and compare them with Asian Highway 1.
This highway is compared with other highways in Japan using the ranking metrics available on this page. These metrics help show how Asian Highway 1 performs across different comparison categories, such as Route Length, Lane Count, and Maximum Speed Limit.
Ranking positions are calculated from structured data instead of being manually assigned. As more verified information is added, corrected, or expanded, the rankings and metric values may be updated over time.
For this page, the comparison focuses on measurable data rather than user reviews or star ratings.
Asian Highway 1 details on this page are based on verified public sources and structured LocoDeck ranking data.
Asian Highway 1 is located in Japan.
Asian Highway 1 is listed as a highway in Japan. This page highlights key metrics such as Route Length, Lane Count, and Maximum Speed Limit to help compare it with other highways.
Asian Highway 1 is compared using the ranking metrics available for highways in Japan. The comparison focuses on structured data and metric values rather than user reviews or star ratings.