Natural Preservation Route
A Natural Preservation Route (NPR) is a designated roadway that possesses sensitive or unique scenic, environmental, pastoral, or historic characteristics. Examples may include: roads along lakes, rivers, wetlands or floodplains through forest or hilly, rocky or bluff terrain.
Roadway designation
A roadway must meet the definition of a NPR, and require the following:
- Roadway is a County State Aid Highway (CSAH), and
- Roadway has been requested by the county board, and
- Roadway has been designated by the Commissioner of Transportation
Designation process
Any person may make a written request to the county board to have a route designated. The county may submit an application to the Commissioner of Transportation for approval. Upon approval, the county will install signs.
For information on designation of a CSAH, reach out that counties county engineer.