| C87 | C87 | Silver Spring-Tenleytown | 1 |
| F28 | F28 | Kings Park W Exp | 1 |
| F85 | F85 | Little River Tpk-Pentagon | 1 |
| LCL | LCL | Friendship Hts-N Bethesda Local | 1 |
| M60 | M60 | New Hampshire Av | 1 |
| P61 | P61 | Glenarden-Suitland | 1 |
| D96 | D96 | Massachusetts Av-Bethesda | 1 |
| C37 | C37 | Lincoln Hts-Potomac Av | 1 |
| C27 | C27 | Naylor Rd-Shepherd Pkwy | 1 |
| F1X | F1X | Richmond Hwy | 1 |
| P16 | P16 | Riggs Rd-White Oak | 1 |
| F83 | F83 | Cardinal Forest Exp | 1 |
| P24 | P24 | Good Luck Rd | 1 |
| P42 | P42 | Chillum Rd-New Carrollton | 1 |
| P60 | P60 | MLK Hwy-Suitland | 1 |
| C11 | C11 | S Capitol St | 1 |
| D40 | D40 | 7 St-Georgia Av | 1 |
| C31 | C31 | Minnesota Av | 1 |
| C57 | C57 | U St-Capitol Hts | 1 |
| D74 | D74 | Rhode Island Av-Foggy Bottom | 1 |
| D1X | D1X | Pennsylvania Av Limited | 1 |
| P31 | P31 | New Carrollton-Takoma Langley | 1 |
| M54 | M54 | Colesville Rd-Greencastle | 1 |
| A40 | A40 | Columbia Pike-National Landing | 1 |
| M42 | M42 | Randolph Rd-College Park | 1 |
| P1X | P1X | Baltimore Av Limited | 1 |
| D50 | D50 | 14 St | 1 |
| F24 | F24 | Little River Tpk-Vienna | 1 |
| M82 | M82 | River Rd-Falls Rd | 1 |
| P40 | P40 | Annapolis Rd | 1 |
| D30 | D30 | N Capitol St | 1 |
| D5X | D5X | 14 St Limited | 1 |
| M70 | M70 | East West Hwy | 1 |
| P14 | P14 | Kenilworth Av | 1 |
| C91 | C91 | LeDroit Park-Georgetown | 1 |
| F62 | F62 | Rosslyn-Arlington Blvd-Dunn Lori | 1 |
| F81 | F81 | Burke Centre Exp | 1 |
| C61 | C61 | Brookland-Tenleytown | 1 |
| P41 | P41 | Landover Rd | 1 |
| P63 | P63 | Central Av-Naylor Rd | 1 |
| P90 | P90 | St Barnabas Rd | 1 |
| C63 | C63 | Deanwood-Georgia Av | 1 |
| C29 | C29 | Anacostia-Southern Av | 1 |
| D44 | D44 | 11 St | 1 |
| A12 | A12 | Ballston-Hunting Point | 1 |
| F44 | F44 | Columbia Pike-Pentagon | 1 |
| C77 | C77 | Takoma-Fort Totten | 1 |
| C26 | C26 | Stanton Rd-Skyland | 1 |
| C21 | C21 | Alabama Av-Benning Rd | 1 |
| C23 | C23 | Alabama Av-Division Av | 1 |
| F50 | F50 | Washington Blvd | 1 |
| D70 | D70 | Connecticut Av | 1 |
| D82 | D82 | Wisconsin Av-Foggy Bottom | 1 |
| C81 | C81 | Military Rd | 1 |
| P62 | P62 | Deanwood-Branch Av | 1 |
| A28 | A28 | Pentagon-Holmes Run-Landmark | 1 |
| C17 | C17 | MLK Av-Bellevue | 1 |
| A27 | A27 | Pentagon-Shirlington-Van Dorn St | 1 |
| C53 | C53 | U St-Congress Hts | 1 |
| M20 | M20 | Wheaton-Silver Spring | 1 |
| C51 | C51 | U St-Anacostia | 1 |
| A90 | A90 | Pentagon-Mark Center | 1 |
| D6X | D6X | 16 St Limited | 1 |
| C85 | C85 | Nebraska Av-Foggy Bottom | 1 |
| A76 | A76 | Carlin Springs Rd | 1 |
| D20 | D20 | H St | 1 |
| D24 | D24 | E Capitol St | 1 |
| P87 | P87 | Brinkley Rd | 1 |
| A29 | A29 | Metro Ctr-Alexandria W | 1 |
| A11 | A11 | Pentagon-Huntington | 1 |
| P12 | P12 | Laurel-Greenbelt | 1 |
| M6X | M6X | New Hampshire Av Limited | 1 |
| A49 | A49 | Columbia Pike-Metro Center | 1 |
| P32 | P32 | Greenbelt-Fort Totten | 1 |
| D72 | D72 | Connecticut Av-Mt Pleasant | 1 |
| P35 | P35 | New Carrollton-Fort Totten | 1 |
| D32 | D32 | Rhode Island Av-Fort Lincoln | 1 |
| P10 | P10 | Baltimore Av | 1 |
| C83 | C83 | Barnaby Woods-Friendship Hts | 1 |
| P21 | P21 | Hanover Pkwy-New Carrollton | 1 |
| A1X | A1X | Pentagon City-Braddock Rd | 1 |
| M52 | M52 | Colesville Rd-Burtonsville | 1 |
| D10 | D10 | Pennsylvania Av | 1 |
| P66 | P66 | Forestville-Suitland | 1 |
| C71 | C71 | 18 St | 1 |
| C43 | C43 | Maryland Av | 1 |
| D94 | D94 | Gallery Place-Sibley Hospital | 1 |
| F26 | F26 | E Falls Church-Annandale | 1 |
| C13 | C13 | MLK Av-Washington Highlands | 1 |
| P94 | P94 | Suitland-National Harbor | 1 |
| C25 | C25 | Pomeroy Rd-Skyland | 1 |
| F19 | F19 | Mt Vernon Estate Exp | 1 |
| P20 | P20 | Greenbelt Rd-New Carrollton | 1 |
| F20 | F20 | Leesburg Pike | 1 |
| A66 | A66 | Pentagon-Shirlington-Culmore | 1 |
| A70 | A70 | Glebe Rd | 1 |
| P30 | P30 | New Carrollton-Silver Spring | 1 |
| C15 | C15 | MLK Av-Southern Av | 1 |
| C75 | C75 | Takoma-Georgia Av | 1 |
| C41 | C41 | Bladensburg Rd | 1 |
| F60 | F60 | Arlington Blvd-Fair Oaks | 1 |
| D60 | D60 | 16 St | 1 |
| F23 | F23 | Little River Tpk-George Mason | 1 |
| P33 | P33 | Queens Chapel Rd | 1 |
| D34 | D34 | W Hyattsville-Edgewood-Metro Ctr | 1 |
| C55 | C55 | Union Station-L'Enfant Plaza | 1 |
| P15 | P15 | Riggs Rd-Adelphi | 1 |
| P97 | P97 | Southern Av-Ft Washington | 1 |
| P96 | P96 | Suitland-Oxon Hill | 1 |
| P73 | P73 | Central Av-Trade Zone | 1 |
| P72 | P72 | Central Av-Bowie | 1 |
| F29 | F29 | Braddock Rd | 1 |
| D36 | D36 | K St-Ivy City | 1 |
| M44 | M44 | Randolph Rd-Hyattsville Crossing | 1 |
| C35 | C35 | Deanwood-Naylor Road | 1 |
| D2X | D2X | H St Limited | 1 |
| M12 | M12 | University Blvd | 1 |
| M22 | M22 | Olney-Bethesda | 1 |
| A71 | A71 | Ballston-King St | 1 |
| A58 | A58 | Wilson Blvd-Farragut Sq | 1 |
| D90 | D90 | Massachusetts Av-Tenleytown | 1 |
| D4X | D4X | 7 St-Georgia Av Limited | 1 |
| P93 | P93 | Suitland-Birchwood | 1 |
| A25 | A25 | Pentagon-S Fairlington-Landmark | 1 |
| EXP | EXP | Friendship Hts-N Bethesda Exp | 1 |
| F61 | F61 | Arlington Blvd-Jermantown Rd | 1 |
| C33 | C33 | Sheriff Rd | 1 |
| D80 | D80 | Wisconsin Av-Union Station | 1 |
| GREEN | G | Green | 1 |
| ORANGE | O | Orange | 1 |
| BLUE | B | Blue | 1 |
| SILVER | S | Silver | 1 |
| RED | R | Red | 1 |
| YELLOW | Y | Yellow | 1 |
| GREEN | G | Green | 1 |
| ORANGE | O | Orange | 1 |
| YELLOW | Y | Yellow | 1 |
| BLUE | B | Blue | 1 |
| SILVER | S | Silver | 1 |
| RED | R | Red | 1 |