  ==Routes== *A (Rockville Route) Metro Center - Shady Grove (red) *B (Glenmont Route) Metro Center - Glenmont (red) *C (Huntington Route) Metro Center - Huntington (blue/orange-blue-blue/yellow-yellow) *D (New Carrollton Route) Metro Center - New Carrollton (blue/orange-orange) *E (Branch Avenue Route) Gallery Place - Branch Avenue (green/yellow-green) *F (Greenbelt Route) Gallery Place - Greenbelt (green/yellow-green) *G (Addison Road Route) D junction - Largo Town Center (blue) *J (Franconia-Springfield Route) C junction - Franconia-Springfield (blue) *K (Vienna Route) C junction - Vienna (orange) *L (? Route) F junction - C junction (yellow) Any idea what H and I were to be? Dulles and Columbia Pike branches?   - ) 