reading the signal…
Signals / Object / Street-level imagery
in Houston, TX·counted·4.5K all time
A road gantry is an overhead structure spanning traffic lanes, supporting signs, signals, cameras, or electronic displays.
Counted, not streamed: Road Gantry has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.