The Navajo Division of Transportation (NDOT) and Navajo Engineering Construction Authority (NECA) have nearly completed the Navajo Route 27 Project that paved 10.86 miles between Chinle and Nazlini, Arizona.The Navajo Division of Transportation (NDOT) and Navajo Engineering Construction Authority (NECA) have nearly completed the Navajo Route 27 Project that paved 10.86 miles between Chinle and Nazlini, Arizona.