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Work Zone and Perimeter Intrusion Alert Systems

“Send Them Home to Family.”

  • December 7, 2023 10:15 AM: "As we were testing the Overwatch device WB SR 94 to NB SR 125 transition, a car pulled into the closure setting off the overwatch device. The vehicle came to an abrupt stop and then immediately exited the closure. CHP quickly handled the situation and pulled the vehicle over."

  • December 7. 2023 10:30 AM: "As we were testing the Overwatch device WB SR 94 to NB SR 125 transition, a car followed me into the closure and CHP quickly handled the situation, the car quickly left the closure which then CHP pulled the vehicle over."

The Alpha Overwatch is a LiDAR based intrusion alert system to be deployed in various perimeter or zone monitoring scenarios. When activated, the devices will emit a 135 dB audible warning (louder by request), can flash emergency lighting, and other relay activated third-party systems.

VIDEO: Overview

Sample Road Configuration


Overwatch Rollover Activation Add-On feature allows a work zone to be bordered by a wireless pneumatic tube device, which when rolled over by a distracted driver will activate the audible alert. This is especially useful for roadway curves, angles, elevations, and low visibility scenarios where standard LiDAR monitoring is impacted.

VIDEO: Rollover Activation Add-On

One Overwatch -> Many Add-Ons


Overwatch Supervisor Mode Add-On feature allows a Supervisor to enter a work zone without setting off the audible alert. This is especially helpful for a Supervisor who monitors, enters, and exits multiple sites.  Existing VHF / UHF radio systems can be programmed without buying new systems.

VIDEO: Supervisor Configuration Add-On

One to Many - Many to One


Overwatch Sentry Configuration is intended to help secure entryways to critical infrastructure, property borders, danger zones, or any location where physical security needs a boost. Alpha’s electronic “tripwire” methods used for work-zones can be leveraged for any geo-fenced space. When this strategy is combined with our relationships in camera technology, the powerful Overwatch solution is even more formidable.

Sample Sentry Configuration


Alpha Services and Technologies can be implimented creatively throughout your DOT fleet. Our Remote Activation Solution allows DOT personnel to have complete, manual control over audible warnings from a TMA cabin or a Shadow truck (decibels configurable). Also, Safety Patrol Help Vehicles benefit from various possible mounted or embedded installation solutions, equipping them with full Overwatch LiDAR Activation capability.

VIDEO: Alpha Remote Trumpet Activation

VIDEO: Overwatch Safety Patrol Installation


Overwatch Wrong-Way Configuration is intended to augment or improve Wrong-Way onramps. As with all Alpha Overwatch intrusion detection and collision avoidance systems, the Wrong-Way configuration can offer audible, visual, silent or combined warning options. Alpha Safenet would be honored to help tackle your most difficult Wrong-Way intersection.

VIDEO: Alpha Wrong-Way Solution

Sample Wrong-Way Configuration

REDUCE THEIR RISK

The Simple Safety Your Teams Deserve

1. Deploy the Alpha Overwatch Intrusion Detection System.

2. Align and Test the Alpha Overwatch Device to Mark the Protected Zone.

3. Arm Alpha Overwatch Device to Activate Audible and Visual Alarms.

 Explore a variety of mounted and portable Overwatch applications suitable for DOT, Law Enforcement, Trucking, and Recovery.

One simple imminent threat detection solution to confront traffic fatality statistics and perimeter breach.