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Before installing the system...
The three main goals of any wrong way mitigation system:
1. Detect Wrong Way Drivers (WWDs) in any condition
2. Prompt WWDs to self correct and safely turn around
Trafficalm has developed a proven system that can accomplish
all three with minimal hardware and stellar performance
Performance must be measured by two factors:
1. Ability to warn any wrong way driver
2. Ability to send undeniable evidence of a WWD’s activity to a
system or person that can act upon the reported activity
Wrong Way Alert has been developed to make installation not
only easy, but nearly foolproof. However, it is still important to
understand a few core concepts...
⟨Theory of Operation⟩
Radars and Other Detection
We use many “small” radar detectors to create up to 4 zones
of detection. While each zone can consist of a single radar, it is
highly recommended that two make up the zone.
The more radars and zones that are incorporated the more
accurate a system can be considered. It is entirely viable to
create a system with just one radar, but the chance for false
detections increase dramatically. Adding a second radar will
halve the occurance of false calls, a third will halve it again.
Typically, a complete system that can deliver at least a 99.5%
accuracy rate consists of 4 radars in two zones.
Third party detection methods can also be employed. Examples
of these systems are loop detectors, thermal cameras, and
advanced radars. System reliability is contingent on the design,
use, and user’s understanding of these devices.
