-
Traffic signals in Philadelphia
-
Traffic light at Park and Williams Streets [01]
-
Traffic light at Park and Williams Streets [02]
-
Traffic signal with cameras
-
Signal at Branch Avenue rail yard
-
Railroad signal and crossbuck [02]
-
Railroad signal and crossbuck [01]
-
Railroad signal and crossbuck [03]
-
Traffic lights outside Greensboro station
-
Railroad signal with button copy [01]
-
Railroad signal with button copy [03]
-
Railroad signal with button copy [02]
-
Railroad signal with button copy [04]
-
Traffic light in Bala Cynwyd
-
Ellenco 350 fire alarm horn [01]
-
Ellenco 350 fire alarm horn [02]
-
Wheelock 7002 at a Comfort Inn [01]
-
Photographing a fire alarm
-
Wheelock 7002 at a Comfort Inn [02]
-
Wheelock 7002T with projector device
-
Wheelock 7002T at 18310 Montgomery Village Avenue [01]
-
Wheelock 7002T at 18310 Montgomery Village Avenue [02]
-
Wheelock fire alarm bell at 18310 Montgomery Village Avenue
-
Wheelock fire alarm bell
-
Wheelock 7002T at Habitat ReStore
-
Traffic light at Third and Walnut Streets
-
Traffic light at Second and Locust Streets [01]
-
Traffic light at Second and Locust Streets [02]
-
Wheelock strobe at Rosslyn Center
-
SpectrAlert fire alarm horn/strobe at Benjamin Franklin Middle School
-
East Main Street and Court Street
-
Silver Spring pocket track
-
Traffic light at Main Street and Dover Road
-
Traffic lights at North Avenue and Fremont Street
-
Damaged traffic signal in Evanston, Illinois [01]
-
Damaged traffic signal in Evanston, Illinois [02]
-
Fire alarm at Staunton Mall [01]
-
Directional signage at the end of the ramp for Interstate 64, Exit 99 at Rockfish Gap
-
Wheelock 7002T with double projector device
-
Blinker signals in Ringgold, Maryland [01]
-
Blinker signals in Ringgold, Maryland [03]
-
Blinker signals in Ringgold, Maryland [02]
-
Blinker signals in Ringgold, Maryland [04]
-
Blinker signals in Ringgold, Maryland [05]
-
Fire alarm horn at Kmart in Aspen Hill, Maryland
-
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]
-
Fire alarm at Staunton Mall [02]
-
Fire alarm at Staunton Mall [05]
-
Horizontally-mounted traffic light in Atlantic City [01]
-
Horizontally-mounted traffic light in Atlantic City [02]
-
Horizontally-mounted traffic light in Atlantic City [03]
-
Horizontally-mounted traffic light in Atlantic City [04]
-
Traffic signal at intersection of Arctic and South Mississippi Avenues [01]
-
Traffic signal at intersection of Arctic and South Mississippi Avenues [02]
-
Traffic signal at intersection of Arctic and South Mississippi Avenues [03]
-
Traffic signals at Atlantic and Brighton Avenues
-
Traffic signals at US 15 and Lucketts Road [02]
-
Traffic signals at US 15 and Lucketts Road [01]
-
Siren at Fairfield Fire & EMS [01]
-
Siren at Fairfield Fire & EMS [02]
-
Traffic signal at Sansom and Broad Streets
-
Flashing signal at North Church Street and East College Street [01]
-
Flashing signal at North Church Street and East College Street [02]
-
Siren at El-Roy Volunteer Fire Department
-
"NO LEFT TURN" sign printed over "DO NOT ENTER" sign
-
Horizontal traffic light in use as a blinker [01]
-
Horizontal traffic light in use as a blinker [04]
-
Horizontal traffic light in use as a blinker [03]
-
Horizontal traffic light in use as a blinker [02]
-
Traffic signals over Church Street and Commercial Avenue
-
Signal governing exit to siding in White Sulphur Springs
-
Traffic signals on Nicholson Lane [01]
-
Traffic signals on Nicholson Lane [02]
-
Traffic signals on Nicholson Lane [03]
-
Traffic signals on Nicholson Lane [04]