AMP: 343 Location: Route 66 and I-40 Bus, Navajo Cty After the business loop departs, stay straight for 87 north/Route 66 east to I-40 AMP: 344 Location: Route 66 and SR 87, Navajo Cty In half a mile, 87 will turn left to head north to I-40 AMP: 345 Location: Route 66 and SR 87, … Continue reading State Route 87, I-40 Bus to I-40/US-180