There are 579 animal crossings built into the Trans-Alaska Pipeline System. This allows for free movement of large game across the pipeline right of way. There are 554 elevated crossings and 25 buried crossings, like this one. Two of the buried animal crossings are actually refrigerated to keep the permafrost from melting and the elevated crossings are a minimum of 10 feet high.
- Coordinates: 67.13481, -150.353