- Standard bell at Maury Hall
- Standard horn with double projector
- Wheelock strobe at Rosslyn Center
- Standard 4-350 horn with Space Age AV32 light plate
- Edwards fire bell in Crystal City Underground
- Trafflc signals over Bluestone Drive and Duke Drive [02]
- Trafflc signals over Bluestone Drive and Duke Drive [03]
- Trafflc signals over Bluestone Drive and Duke Drive [01]
- Rosslyn tunnel portal
- Metro and CSX tracks in Northeast DC
- Metro D Route pocket track [01]
- Traffic signal in Scott Circle
- Metro D Route pocket track [02]
- CSX Capital Subdivision tracks
- Interlocking signal at Anacostia station
- Traffic light along M Street NW
- Silver Spring pocket track
- Signal at Branch Avenue rail yard
- "Darth Vader" railroad signals
- Traffic signal at 15th and G Streets NW
- Traffic signal with yellow aspect open
- Traffic light at Main Street and Dover Road
- Traffic lights at North Avenue and Fremont Street
- Railroad signals in Cumberland [01]
- Railroad crossing lights at Baltimore Street
- Railroad signals in Cumberland [02]
- Traffic light at Park and Williams Streets [01]
- Traffic light at Park and Williams Streets [02]
- Traffic signal with cameras
- Pedestrian signal at 15th and P Streets NW
- Damaged traffic signal in Evanston, Illinois [01]
- Damaged traffic signal in Evanston, Illinois [02]
- Fire alarm at Staunton Mall [01]
- Cooper Notification (Wheelock) plant [03]
- Cooper Notification (Wheelock) plant [02]
- Cooper Notification (Wheelock) plant [01]
- Edwards chime
- Traffic light in Bala Cynwyd
- Railroad crossing signal at Route 608 [02]
- Railroad crossing signal at Route 608 [03]
- Vintage US&S railroad signals [03]
- Vintage US&S railroad signals [04]
- Vintage US&S railroad signals [02]
- Railroad crossing signal at Route 608 [01]
- Vintage US&S railroad signals [01]
- Simulated fire alarm
- Traffic signal on 7th Street SW
- Interlocking signal at Sheppard-Yonge
- Interlocking signal at 72nd Street on the Second Avenue Subway
- Traffic light at Third and Walnut Streets
- Traffic light at Second and Locust Streets [01]
- Traffic light at Second and Locust Streets [02]
- Blinker signals in Ringgold, Maryland [05]
- Blinker signals in Ringgold, Maryland [04]
- Blinker signals in Ringgold, Maryland [03]
- Blinker signals in Ringgold, Maryland [02]
- Blinker signals in Ringgold, Maryland [01]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [01]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [02]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [03]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [04]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [05]
- Traffic light gantry at Fairfax County Parkway and Sunrise Valley Drive [06]
- Fitting rooms closed at Forever 21
- Windsor will be closed on Thanksgiving
- Fire alarm at Staunton Mall [05]
- Fire alarm at Staunton Mall [02]
- Right turn signal at Main Street and Green Lane [02]
- Right turn signal at Main Street and Green Lane [03]
- Right turn signal at Main Street and Green Lane [01]
- Traffic signals at Atlantic and Brighton Avenues
- Traffic signal at intersection of Arctic and South Mississippi Avenues [01]
- Horizontally-mounted traffic light in Atlantic City [02]
- Traffic signal at intersection of Arctic and South Mississippi Avenues [02]
- Horizontally-mounted traffic light in Atlantic City [03]
- Horizontally-mounted traffic light in Atlantic City [04]
- Horizontally-mounted traffic light in Atlantic City [01]
- Traffic signal at intersection of Arctic and South Mississippi Avenues [03]
- Vintage US&S railroad signals [06]
- Vintage US&S railroad signals [05]