Child categories
| Category | Path |
|---|---|
| Air | /Transportation/Air |
| Commuting | /Transportation/Commuting |
| Gasoline | /Transportation/Gasoline |
| Highways and Roads | /Transportation/Highways and Roads |
| Public Transit | /Transportation/Public Transit |
| Rail | /Transportation/Rail |
Mining waste from Oklahoma headed for Kansas highways
Mining waste from the Tar Creek Superfund site in northeastern Oklahoma is to be used on highways in Kansas.
