Beyond The Road with TxDOT’s Environmental Affairs Division
A Texas Highway Department employee exploring the Inner Space Caverns.
Did you know TxDOT discovered Inner Space Caverns in 1963?
Discoveries like this are part of TxDOT’s work for the past 100 years. Teams of archeologists, historians and environmental scientists consider the state’s natural, historical and community resources before building roads.
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See roadside history come to life through these map-based stories.
Mammoth Watch 2018
In 2017, TxDOT discovered fossilized bones of a large ice-aged animal. Subscribe to this page for updates.
Podcasts from TxDOT Roadside Chat
You can also find TxDOT Roadside Chat on iTunes.
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Learn more about the Environmental Statewide Public Involvement Plan to get more people involved with TxDOT’s environmental programs.