November 6
| 1924 | Contractors Tenney and Hamblin begin construction of the last 17.75 miles of the 89.9-mile forest portion of the 124-mile Clifton-Springerville road through the Apache National Forest in Arizona. Built by BPR with Forest Service funds, the project was approved in 1916. Location surveys were completed in 1917 (April 1 to October 29), with an adjustment made in 1922. The completed highway, called the Coronado Trail, is dedicated on June 29, 1926, during a ceremony at Hannagan's Meadow. District Engineer C. M. Morrison represents BPR. Entertainment includes a barbecue of ten beeves and two bears, and the "Devil Dance" by Apache Indians from the White Mountain Indian Reservation. In 1926, the Coronado Trail is designated part of U.S. 666, a designation it retains until June 1992, when AASHTO approves a State request to renumber the route U.S. 191. |
| 1974 | FHWA announces that its research office has developed a nuclear cement content gage that will, for the first time, give engineers an on-site capability to accurately measure the cement content of fresh concrete. (The gage uses low energy gamma rays from a radioactive source.) |
| 1991 | Secretary of Transportation Samuel Skinner presents a WAY TO GO award to the entire staff of the Turner-Fairbank Highway Research Center for its year-long effort to enhance the center's laboratories and technical capability. Associate Administrator for Research and Development Charles Miller accepts the award on behalf of the center's staff. |
