AMP: 374 Location: SR 564 and US-160, Navajo Cty Reassurance shield at the beginning of SR 564, a 9 mile spur up to Navajo National Monument AMP: 383 Location: SR 564 at Navajo National Monument, Navajo Cty 564 ends nine miles later at the scenic Navajo National Monument E to US-163, W to SR 98