Colorado National Monument has two entrances, linked by a paved, 22 mile road (Rim Rock Drive). In the north, the monument is reached by driving 2.5 miles south from Fruita, beginning at junction 19 of interstate 70. The southern entrance is 5 miles from the center of Grand Junction via Broadway (Hwy 340) and Monument Road.
PDF format map of Colorado National Monument, from the National Park Service (296 kb).