Railroad Tunnels in Colorado

Assist the Federal Railroad Administration in mapping the location of railroad tunnels in Colorado.

fully responsive

Bridges in Michigan

More details on this project available soon!

100% free

Trail Network in Washington

More details on this project available soon!

“Many government agencies and private companies are unwilling to accept the legal risk of using data not explicitly placed in the public domain. Removing these restrictions fosters data sharing, the creation of knowledge, and cultivates understanding.”

Derald Dudley, Transportation Theme Lead, NSDI, USDOT

Who uses Public Domain Map data?


Interested in using Public Domain Map for your agency? Reach out to