| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 489.51250 | Simulcast | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | ||
| 489.53750 | Simulcast | ****TRANSIT POLICE AND SECURITY TALKGR**** | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | |
| 490.76250 | Simulcast | 50032 | TPAS TAC 1 TAC 1 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.78750 | Simulcast | 50064 | TPAS TAC 2 TAC 2 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.83750 | Simulcast | 50096 | TPAS TAC 3 TAC 3 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.86250 | Simulcast | 50128 | TPAS TAC 4 TAC 4 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.88750 | Simulcast | 50192 | TPAS TAC 6 TAC 6 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.91250 | Simulcast | 50224 | TPAS TAC 7 TAC 7 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.93750 | Simulcast | 50256 | TPAS TAC 8 TAC 8 LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 490.96250 | Simulcast | 57296 | TPAS 57296 TPAS LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 496.33750 | Simulcast | 57328 | TPAS 57328 TPAS LAW TAC | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 496.43750 | Simulcast | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | ||
| 496.48750 | Simulcast | ****RAIL OPERATIONS TALKGR**** | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | |
| 496.53750 | Simulcast | 33136 | RAIL SUPV-GR RAIL SUPERVISORS - GREEN LINE TRANSPORTATION | Various | MD VA DC | Motorola Type II Smartnet | ** | ** |
| 496.56250 | Simulcast | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | ||
| 496.61250 | Simulcast | ****RAIL YARD OPERATIONS TALKGR**** | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | |
| 34416 | SHDYGRV YD 1 SHADY GROVE YARD 1 TRANSPORTATION | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | ||
| 34448 | SHDYGRV YD 2 SHADY GROVE YARD 2 TRANSPORTATION | Various | MD VA DC | Motorola Type II Smartnet | ** | ** | ||
| 34480 | GLENMNT YD 1 GLENMONT YARD 1 TRANSPORTATION | ** | ** | |||||
| 34512 | GLENMNT YD 2 GLENMONT YARD 2 TRANSPORTATION | ** | ** | |||||
| 34544 | BRENTWD YD 1 BRENTWOOD YARD 1 TRANSPORTATION | ** | ** | |||||
| 34576 | BRENTWD YD 2 BRENTWOOD YARD 2 TRANSPORTATION | ** | ** | |||||
| 34608 | NEWCARR YD 1 NEW CARROLLTON YARD 1 TRANSPORTATION | ** | ** | |||||
| 34640 | NEWCARR YD 2 NEW CARROLLTON YARD 2 TRANSPORTATION | ** | ** | |||||
| 34672 | ALEXAND YD 1 ALEXANDRIA YARD 1 TRANSPORTATION | ** | ** | |||||
| 34704 | ALEXAND YD 2 ALEXANDRIA YARD 2 TRANSPORTATION | ** | ** | |||||
| 34736 | GRNBELT YD 1 GREENBELT YARD 1 TRANSPORTATION | ** | ** | |||||
| 34768 | GRNBELT YD 2 GREENBELT YARD 2 TRANSPORTATION | ** | ** | |||||
| 34800 | BRNCHAV YD 1 BRANCH AVENUE YARD 1 TRANSPORTATION | ** | ** | |||||
| 34832 | BRNCHAV YD 2 BRANCH AVENUE YARD 2 TRANSPORTATION | ** | ** | |||||
| 34864 | WFALLSCH YD1 WEST FALLS CHURCH YARD 1 TRANSPORTATION | ** | ** | |||||
| 34896 | WFALLSCH YD2 WEST FALLS CHURCH YARD 2 TRANSPORTATION | ** | ** | |||||
| ** | ** | |||||||
| ****RAIL SYSTEMS MAINTENANCE TALKGR**** | ** | ** | ||||||
| 40976 | RAIL MNTDISP MAINTENANCE DISPATCH PUBLIC WORKS | ** | ** | |||||
| 41008 | RAIL ATCTECH AUTOMATIC TRAIN CONTROL TECHNICIANS PUBLIC WORKS | ** | ** | |||||
| 41040 | RAILCOMMTECH COMMUNICATIONS TECHNICIANS PUBLIC WORKS | ** | ** | |||||
| 41072 | RAIL PWRTECH POWER TECHNICIANS PUBLIC WORKS | ** | ** | |||||
| 41104 | RAILPLANTMNT PLANT MAINTENANCE PUBLIC WORKS | ** | ** | |||||
| 41136 | RAIL TRK/STR TRACK AND STRUCTURES PUBLIC WORKS | ** | ** | |||||
| 41168 | RAIL ELE/ESC ELEVATORS AND ESCALATORS PUBLIC WORKS | ** | ** | |||||
| 41200 | RAILFARETECH AUTOMATIC FARE COLLECTION TECHNICIANS PUBLIC WORKS | ** | ** | |||||
| 41232 | RAIL GEN 1 GEN. 1 PUBLIC WORKS | ** | ** | |||||
| 41264 | RAIL GEN 2 GEN. 2 PUBLIC WORKS | ** | ** | |||||
| ** | ** | |||||||
| ****BUS OPERATIONS TALKGR**** | ** | ** | ||||||
| 1616 | METROBUS1616 BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1648 | METROBUS1648 VIRGINIA BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1680 | METROBUS1680 BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1712 | METROBUS1712 VIRGINIA BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1744 | METROBUS1744 BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1776 | METROBUS1776 BUS OPERATIONS TRANSPORTATION | ** | ** | |||||
| 1840 | METROBUS1840 BUS RADIO SETUP/TESTING TRANSPORTATION | ** | ** | |||||
| 1904 | METROBUS1904 BUS OPERATIONS? TRANSPORTATION | ** | ** | |||||
| 24592 | METROBUSSUPV BUS SUPERVISORS TRANSPORTATION | ** | ** | |||||
| 24624 | METROBUSSUPV BUS SUPERVISORS TRANSPORTATION | ** | ** | |||||
| 24688 | METROBUSSUPV BUS SUPERVISORS TRANSPORTATION | ** | ** | |||||
| ** | ** | |||||||
| ****OTHER TALKGR**** | ** | ** | ||||||
| 1968 | METRORADTECH RADIO TECHS PUBLIC WORKS | ** | ** | |||||
| 33488 | METRORADTEST RADIO TESTING PUBLIC WORKS | ** | ** | |||||
| 57744 | METRORADTEST RADIO TESTING (TUNNELS) PUBLIC WORKS | ** | ** | |||||
| ** | ** | |||||||
| Base: 489.0875, Spacing: 25.0, Offset: 380 | ** | ** |