Highway is a general term for denoting a public way for purposes of travel by vehicular and/or pedestrian travel, including the entire area within the right-of-way.
"Highway" is in the UNSPSC Code "70111707"
Highway lawn maintenance services
"Highway" is in the NAICS Code "238990"
All Other Specialty Trade Contractors
... establishments primarily engaged in the construction of Highways (including elevated), streets, road ...