#10
Longest Highway in Thailand
Sorted by Route Length
Value: 412.874 km
Highway 21
Highway in Thailand
Highway 21 is a highway located in Thailand. 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 Thailand.
Page overview
- Country
- Thailand
- Category
- transport
- Type
- Highway
Ranking highlights
See how this highway performs across different ranking categories in Thailand.
Key metrics
| Metric | Value | Description |
|---|---|---|
| Route Length | 412.874 km | Total official length of the highway route. |
| Lane Count | 4 | Maximum or mainline number of traffic lanes on the highway. |
| Maximum Speed Limit | 90 kmh | Highest legally posted speed limit on the highway. |
Metric values are based on the verified sources listed below.
Location
Highway 21 is located in Thailand. The location details shown here are based on the currently available city, state, and country information for this highway.
- City
- Not available
- State
- Not available
- Country
- Thailand
Related Highways in Thailand
Explore other highways in Thailand and compare them with Highway 21.
Explore this ranking
How this highway is compared
This highway is compared with other highways in Thailand using the ranking metrics available on this page. These metrics help show how Highway 21 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.
Sources
Highway 21 details on this page are based on verified public sources and structured LocoDeck ranking data.
Frequently asked questions
Where is Highway 21 located?
Highway 21 is located in Thailand.
What is Highway 21 known for on LocoDeck?
Highway 21 is listed as a highway in Thailand. This page highlights key metrics such as Route Length, Lane Count, and Maximum Speed Limit to help compare it with other highways.
How is Highway 21 compared with other highways?
Highway 21 is compared using the ranking metrics available for highways in Thailand. The comparison focuses on structured data and metric values rather than user reviews or star ratings.