Assertion: designation's letter | /r/HasProperty | part of a road grading system
Facets:
value: depending on the country
type: OTHER
Source sentences:
text: Depending on the country, the letter attributed to a road may be part of a road grading system, be a shortening for a type of road especially in a foreign language or refer to a geographical zoning system, such as the Appalachian Development Highway System or the county highway systems of California, Iowa, and Michigan in the United States.