A broad highway designed for high-speed traffic(noun)
WordNet. Princeton University. 2010.
Use "state highway" in a sentence
"In the early afternoon, he drove them back across the bridge and headed north along the state highway that soon headed back west again along the river."
"He was glad for the comfort because he was a passenger in Jack's latest vehicle, an ancient postal jeep, on a twisting state highway en route to Halle's cabin."
"Sociologists and state highway officials noted an increase in makeshift shrines such as those found at car crash sites on the sides of roads, or spray-painted on the walls of inner city streets, inviting an audience from any and all passersby."