March 21
| 1929 | BPR's E. W. James sails to Bogota as a member of a commission formed to prepare a plan for improving transportation and communications in Colombia. | |
| 1980 | In accordance with Executive Order 12185, dated December 17, 1979, FHWA issues FHWA Notice N 5520.4 establishing "policy and broad direction on energy for the Federal-aid highway program and to identify areas that possess the greatest potential for fuel conservation." | |
| 1985 | To handle a large post-deregulation truck safety workload imposed by new legislation, the BMCS is superseded by an upgraded Office of Motor Carriers, with Richard Landis brought in from the Arizona Highway Patrol as the first Associate Administrator for Motor Carriers. He takes office September 15, 1985.
|
