Detail view of a high railway light signal traffic light on a pole giving the upper indication of green color on freeway and the other two lamps off on a blue sky background
Related tags:
- beacon
- semaphore
- signal tower
- lamp
- light post
- light lamp
- equipment
- lamp post
- railway
- industrial
- train station
- railway station
- blue sky
- station
- green screen
- technology light
- railway train
- security
- sky light
- yellow sky
- industrial equipment
- train
- sky
- signal
- sky train
- no signal
- security technology
- security services
- light frame
- illumination
- blue frame
- green frame
- focus light
- screen
