Upgrade your signal for even greater capabilities

We know every work zone is different. That’s why we’ve made it easy to customize any of our signals with dozens of upgrades to fit your project needs. 

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Upgrades make our best-in-class signals more powerful.

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Signals can adapt to any project requirements to help your crew do more.

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Upgrades enable greater efficiency in operation, helping your project along to completion more quickly and safely.

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We know every work zone is different. That’s why we’ve made it easy to customize any of our signals with dozens of upgrades to fit your project needs. 

Upgrades make our best-in-class signals more powerful.

Signals can adapt to any project requirements to help your crew do more.

Upgrades enable greater efficiency in operation, helping your project along to completion more quickly and safely.

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Frequently paired together

SQ2

SQ2T

SQ3TS

AFADs

Advanced Remote Monitoring

Advanced Remote Monitoring

SQ2 Open Transport Trailer

SQ2 Open Transport Trailer

Motion Sensor

Motion Sensor

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Video Detection

Motion Sensor

Motion Sensor

Wireless Remote Control

Wireless Remote Control

15-foot Extension Arm

15-foot Extension Arm

Advanced Remote Monitoring

Advanced Remote Monitoring

Wireless Knockdown

Wireless Knockdown

SQ2 Solar & Outrigger Package

Solar & Outrigger Package

Advanced Remote Monitoring

Advanced Remote Monitoring

Clearance Extender

Clearance Time Extender

Signal upgrades

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Motion Sensor

Detects approaching vehicles and actuates/extends green times based on traffic demands.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Video Detection

Easy to install and allows for true presence vehicle detection via customized detection zones.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Pre-Emption for Emergency Vehicles

Provides earliest safe green indication for approaching emergency vehicles.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Pre-Emption for Railroad Crossings

Pre-empts the active signal program in the event of a train intersecting the work zone.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Advanced Remote Monitoring

Allows an authorized user to digitally monitor their PTS systems via email and SMS text message alerts based on signal operation and battery status. Compatible with SQ2, SQ2T, SQ3TS, SQ4, DAD, AFAD, HAWK

Compatible with: SQ2 SQ2T SQ3TS SQ4 DAD AFAD HAWK

Download product specs
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Flagger/Pilot Car Module

Allows a pilot car driver or flagger to control a Horizon Signal system remotely via a handheld transmitter for simple, all-day operation.

Compatible with: SQ2 SQ3TS

Download product specs
We can help you upgrade your PTS with any of our Smart Access Suite upgrades.
Contact us
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Remote Signal Management

Allows for live monitoring of signal operation, as well as the ability to remotely adjust signal timings over the internet.

Compatible with: SQ2 SQ2T SQ3TS SQ4 HAWK

Download product specs
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Work Zone Video Monitoring

Get a live look at traffic with resolutions up to full 1080 HD, up to 60 frames per second, full 360-degree rotation and 384x zoom.

Compatible with: SQ2 SQ2T SQ3TS SQ4 AFAD HAWK

Download product specs
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Wait Time/Status Display

Provides drivers with a visual readout of the amount of time remaining before the next green indication. Ideal for longer-than-average wait times.

Compatible with: SQ2 SQ3TS

Download product specs
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15-foot Extension Arm

Increases SQ3TS mast arm overhead reach from 109" to 15 feet for reach over additional lanes.

Compatible with: SQ3TS HAWK

Download product specs
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Wireless Knockdown

Allows a Horizon Signal system to be wirelessly operated by a standard street corner traffic signal controller in the event of a knockdown, relocation, or traffic pattern reconfiguration.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Pedestrian Crosswalk Signal

Provides dedicated pedestrian crosswalk indications with WALK, DON'T WALK, and countdown timer indications. ADA-compliant systems available.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Bicycle Detection

Bicycle Detection System can detect cyclists and adjust signal timings on-demand to allow adequate time to clear the work area.

Compatible with: SQ2T SQ3TS

Download product specs
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Message Board Interface

Creates a wireless radio connection between any Horizon PTS system and a Variable Message Sign (VMS) to display real-time signal status messages.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Speed Control System

Designed to stop unsafe speeding vehicles before entering the work zone by displaying a message and reverting PTS to red.

Compatible with: SQ2T SQ3TS

Download product specs
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Clearance Extender

Detects slow-moving vehicles that need additional time to clear the work zone, and adjusts red clearance intervals accordingly.

Compatible with: SQ2 SQ2T SQ3TS AFAD

Download product specs
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Left Turn Arrow

Allows for safe traffic flow through intersections during construction and peak traffic times.

Compatible with: SQ3TS

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SQ2 Solar & Outrigger Package

A 150-watt solar panel extends battery life, while outriggers provide stabilization on unlevel surfaces.

Compatible with: SQ2

Download product specs
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SQ2 Open Transport Trailer

Equipped with lockdown pegs and brackets to transport up to four SQ2 signals safely and efficiently.

Compatible with: SQ2

Download product specs
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SQ2 Enclosed Transport Trailer

Safely and efficiently transport up to four SQ2 signals with expanded storage for solar panels, outriggers, and other work zone gear.

Compatible with: SQ2

Download product specs
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Cabled Remote Control

Easily place a call for green at either end of the work zone, or rest both signals of a 2-phase operation in red.

Compatible with: SQ2 SQ2T SQ3TS

Download product specs
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Wireless Remote Control

Controls signals manually from up to ½ mile away. Signals can be switched back to automatic mode with just one tap.

Compatible with: SQ2 SQ2T SQ3TS SQ4

Download product specs

Explore our base signal systems

SQ2
SQ2

The SQ2 system is the most dependable and user-friendly flagger safety PTS system.

DAD
DAD

Built to manage traffic from residential driveways that fall within a work zone.

SQ2T
SQ2T

Equipped with even more portability and power for longer-term projects.

SQ3TS
SQ3TS

The temporary traffic control workhorse that you can rely on year after year.

SQ4
SQ4

Engineered for disaster response following power outages or infrastructure damage.

HAWK Product Card
HAWK

Increases crosswalk awareness for motorists and safety for pedestrians.

CM AFAD Product Card
Cart-Mounted AFAD

Enables flaggers to control traffic from a safe distance with a remote gate arm.

TM AFAD Product Card
Trailer-Mounted AFAD

Our AFAD system on a convenient trailer platform for enhanced portability and durability.