| 2832 | 124 | AP-1985-030 | 3/5/1986 | Granted to Old Town Trolley Tours of Washington, Inc. |
| 2852 | 124 | AP-1985-030 | 5/2/1986 | Amended |
| 2957 | 124 | AP-1986-042 | 1/12/1987 | |
| 2993 | 124 | AP-1986-042 | 4/2/1987 | Amended |
| 3752 | 124 | MP-1991-002 | 5/7/1991 | Reissued as Certificate of Authority |
| 4904 | 124 | AP-1996-044 | 7/31/1996 | notice of application - temporary approval of operating assets of another carrier |
| 4932 | 124 | AP-1996-044 | 9/17/1996 | temporary approval of operating property of another carrier approved |
| 4941 | 124 | AP-1996-044 | 9/25/1996 | Transferred assets to No. 124, Old Town Trolley Tours of Washington, Inc. |
| 5053 | 124 | AP-1996-044 | 4/2/1997 | regulation No. 66 waived, assessed 0 civil forfeiture re operating property without approval |
| 5861 | 124 | MP-2000-012 | 4/18/2000 | Insurance Suspension |
| 5868 | 124 | MP-2000-012 | 4/24/2000 | Suspension lifted |
| 11825 | 124 | MP-2009-016 | 2/3/2009 | Suspended (insurance) |
| 11832 | 124 | MP-2009-016 | 2/11/2009 | Lift Suspension |
| 12493 | 124 | MP-2010-060 | 8/2/2010 | Suspended (insurance) |
| 12498 | 124 | MP-2010-060 | 8/5/2010 | Lift Suspension |
| 12506 | 124 | MP-2010-062 | 8/11/2010 | Insurance Endorsement revoked - bad underwriter |
| 12513 | 124 | MP-2010-062 | 8/23/2010 | Proceeding Terminated |
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