All Categories
How Many?
Architecture
How many entries are tracked?
298 entries tracked by tunnel length. Here's how they break down.
298
Total
10.5K m · 34.5K ft
Average
7.3K m · 23.8K ft
Median
Breakdown by threshold
50K m+8 of 298 (2.7%)
10K m+86 of 298 (28.9%)
1K m+298 of 298 (100.0%)