Congestion Metrics
Object Volume
Number of road users detected
Flow (Per Min)
Number of road users detected per min
Total Rights On Red
Number of road users who turned right during a red light
Total Idle Time (s)
Total time spent not moving (at idle)
Total Motion Time (s)
Total time spent moving
Total Travel Time (s)
Idle Time + Motion Time
Avg. Queue Length (Cars)
Average number of cars in a queue (waiting line)
Avg. Queue Length (Feet)
Average length in feet of a queue (waiting line)
Avg. Idle Time / Vehicle (s)
Average non-moving (at idle) time per vehicle
Avg. Travel Time / Vehicle (s)
Average total time time per vehicle
Signal Performance Metrics
Arrival on Green (%)
Percentage of vehicles that arrive at intersection with green light and will pass through intersection with no idle time
Arrival on Red (%)
Percentage of vehicles that arrive at intersection with red light and will pass not through intersection upon arrival
Total Green Time (s)
Cumulative green time during a set time interval (live or historical)
Total Red Time (s)
Cumulative red time during a set time interval (live or historical)
Average Green Time (s)
The average green time per vehicle during the time period set (historical or live)
Platoon Ratio
The proportion of vehicles arriving on green during the amount of green light time (effective green time) of the signal cycle
Effective Green Time (s)
The time during traffic signal cycle which a given traffic movement or set of movements may proceed. Equal to the time during which the signal is effectively green + amber (yellow).
Emissions Metrics
Total Emissions (Metric Tons)
Total CO2 and related greenhouse gases emitted
Emissions/Vehicle (Metric Tons)
Total CO2 and related greenhouse gases emitted per vehicle
Total Gas Consumption (Gallons)
Total gas used by motor vehicles
Gas Consumption/Vehicle (Gallons)
Total gas used per vehicle
Safety Metrics
Near Miss
When 2 or more road users have conflicting trajectories within a certain threshold of PET to be considered unsafe
Average Speed AoG (mph)
Average speed of road user in miles per hour
Time-to-Collison (TTC)
The time it would take for a collision to occur at an instantaneous speed, distance, and acceleration associated with the driver's vehicle and the nearest lead vehicle
Post-Encroachment Time
The time between the moment that the first road-user leaves the path of the second and the moment that the second reaches the path of the first road-user
