List of state highways serving Utah state parks and institutions

	Standard highway markers for State Route 281 and State Route 320
Highway names
Interstates	Interstate nn (I-nn)
US Highways	US Highway nn (US-nn)
State	State Route nn (SR-nn)
System links
	Utah State Highway System; Interstate; US; State; ; Minor; Scenic;

In the U.S. state of Utah, some state highways have been specifically designated to serve state parks and state institutions. The range of numbers from State Route 281 to State Route 320 has been used for this purpose since 1969.