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Proximity detectors (Dmgdew)

Detectors that sense that a vehicle or other object, whether moving or stopped, has appeared in their zone of detection. (Source: www.tfhrc.gov/its/pubs/06139/appendj.htm#ped)
Use For
Obstacle detection
Broader Term
Types of detectors (Dmgde)
Related Terms (Hierarchical)
Acoustic detectors (Dmgdeb)
Infrared detectors (Dmgdee)
Loop detectors (Dmgdeh)
Magnetic detectors (Dmgdek)
Magnetometer detectors (Dmgdem)
Microwave detectors (Dmgdeq)
Optical detectors (Dmgdet)
Photodetectors (Dmgdeu)
Scintillation counters (Dmgdex)
Video imaging detectors (Dmgdey)