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Class 1 Road

From PlanningWiki

Class 1 Roads are hard surface highways including Interstate and U.S. numbered highways (including alternates), primary State routes, and all controlled access highways.

See also

References

  • U.S. Department of the Interior, Standards for 1:24,000 - Scale Digital Line Graphs and Quandrangle Maps (1994) (Chapter PDF)
  • U.S. Federal Highway Administration, Planning Glossary

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