- Orange Line train arriving at Cheverly [02]
- Inbound platform at Cheverly station
- Platform edge tiles at Cheverly
- 6000-Series railcar at Deanwood
- Platform pylon at Minnesota Avenue station [02]
- Platform pylon at Minnesota Avenue station [01]
- Eight-car mark at West Falls Church station
- Platform pylon at Dunn Loring station [04]
- Platform pylon at Dunn Loring station [03]
- Fire alarm pull station
- MBTA State station
- Red Line platforms at Park Street station
- Security camera at Quincy Adams station
- Wheelock MT at Quincy Adams station
- MBTA Chinatown station
- Activated fire alarm pull station at MBTA Chinatown station
- Stair to Red Line at Park Street station
- CTA Davis station [02]
- Purple Line train at Davis station [02]
- Washington Metro chain marker
- Blue Line to Huntington
- Yellow Line train departing King Street station
- Platform edge under renovation at Shady Grove station
- Yellow Line train approaching King Street station
- Platform at Franconia-Springfield
- Yellow Line train at L'Enfant Plaza station [01]
- L'Enfant Plaza station [02]
- Yellow Line train at L'Enfant Plaza station [02]
- Metro Center station [05]
- Metro Center station [06]
- Woman smiling at Van Ness-UDC station
- Sign for Hawk Security Systems
- Red Line train at Grosvenor-Strathmore station [02]
- Red Line train at Grosvenor-Strathmore station [01]
- Ride On bus stop flag
- Third rail at Metro Center station
- Bell System manhole cover in Durham, New Hampshire
- CTA Davis station [03]
- Fire alarm upgrade at 1616 P Street NW [01]
- Fire alarm upgrade at 1616 P Street NW [02]
- PIDS screen at Gallery Place-Chinatown station
- Wall signage at Fort Totten station, lower level
- Columbia Heights station entrance
- Marker coil at Fort Totten station
- Third rail at Fort Totten station
- Ride On sign graffiti
- Fallen Ride On bus stop sign
- Forward on Climate Rally [09]
- Forward on Climate Rally [08]
- Forward on Climate Rally [07]
- Forward on Climate Rally [06]
- Federal Reserve Bank building [02]
- Richmond skyline [12]
- Richmond skyline [11]
- Richmond skyline [10]
- Richmond skyline [09]
- Richmond skyline [07]
- Richmond skyline [05]
- Richmond skyline [04]
- Richmond skyline [01]
- MeadWestvaco building [02]
- MeadWestvaco, Federal Reserve, and Riverfront Plaza buildings [02]
- MeadWestvaco, Federal Reserve, and Riverfront Plaza buildings [01]
- Tree in bloom [02]
- Footbridge over the Canal [04]
- Footbridge over the Canal [03]
- Footbridge over the Canal [02]
- Federal Reserve and Riverfront Plaza [01]
- Federal Reserve Bank building [01]
- System Sensor fire alarm bell
- Interior of Washington Metro car 4090
- Silver Spring station, facing inbound
- Water tower in Northbrook, Illinois
- Wheelock push station
- Fire alarm pull station at the Lincoln Memorial
- Red Line tunnel between Metro Center and Gallery Place
- SpectrAlert Advance strobe [01]
- SpectrAlert Advance strobe [02]
- Former Circuit City in Wheaton, Maryland
- Edwards 270A-SPO at the American Legion in Silver Spring