MP: .05 Location: SR 283 and SR 281 SPUR, Grant Cty First reassurance shield after the junction MP: 4.05 Location: SR 283 and Adams Rd NW, Grant Cty Reassurance shield after Adams Rd. This highway is a pretty important link in the Seattle/Yakima to Ephrata corridor- this area is very densely packed with farmland and … Continue reading State Route 283, SR 281 SPUR to SR 28