Wavetronix SmartSensor HD User Manual page 84

Name – Of each lane or approach.
˿
Volume – Number of vehicles detected during the interval.
˿
Occupancy – Percentage of time, during the interval, that the detec-
˿
tion zone was occupied.
Speed – Average lane speed during the interval. (Note that if Direc-
˿
tion Protection is on, the speeds of any wrong-way detections aren't
factored into this average speed. If Direction Protection is off,
wrong-way detections are factored into the average speed. See chap-
ter 7 for more details.)
85% – 85th percentile speed, meaning that 85% of the vehicles in the
˿
interval were going this speed or slower.
Headway – Average time separation between vehicles in the interval,
˿
measured from front bumper to front bumper.
Gap – Average time separation between vehicles in the interval, mea-
˿
sured from back bumper of the front car and front bumper of the
back car.
Classes – How many vehicles fell into each of the length-, speed-
˿
and direction-based bins set on the Definitions screen.
Storage
Access the Storage screen by clicking the Storage button on the Data
screen.
Figure 86. Storage screen
Chapter 9: Setting Up and Downloading Sensor Data
For more information.
See support document
299, How Does the
SmartSensor HD
Measure Occupancy?
for more on how
occupancy is
calculated.
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