Signs for the Lowell Observatory and Route 66.

The provided reports confirm the presence of signs for the Lowell Observatory and Route 66. These markers identify the locations of both the Lowell Observatory and the historic Route 66. The documentation focuses exclusively on the existence of these specific signs within the area, as reported by the Lowell Observatory and TNS. No further details regarding the condition or specific placement of the signage were provided in the source materials for this report.