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.
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.
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.
Frequently paired together
SQ2
SQ2T
SQ3TS
AFADs
Advanced Remote Monitoring
SQ2 Open Transport Trailer
Motion Sensor
Video Detection
Motion Sensor
Wireless Remote Control
15-foot Extension Arm
Advanced Remote Monitoring
Wireless Knockdown
Solar & Outrigger Package
Advanced Remote Monitoring
Clearance Time Extender
Signal upgrades
Motion Sensor
Detects approaching vehicles and actuates/extends green times based on traffic demands.
Compatible with: SQ2 — SQ2T — SQ3TS
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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
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Pre-Emption for Emergency Vehicles
Provides earliest safe green indication for approaching emergency vehicles.
Compatible with: SQ2 — SQ2T — SQ3TS
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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
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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
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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 specsWe can help you upgrade your PTS with any of our Smart Access Suite upgrades.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 specsExplore our base signal systems
SQ2
The SQ2 system is the most dependable and user-friendly flagger safety PTS system.
DAD
Built to manage traffic from residential driveways that fall within a work zone.
SQ2T
Equipped with even more portability and power for longer-term projects.
SQ3TS
The temporary traffic control workhorse that you can rely on year after year.
SQ4
Engineered for disaster response following power outages or infrastructure damage.
HAWK
Increases crosswalk awareness for motorists and safety for pedestrians.
Cart-Mounted AFAD
Enables flaggers to control traffic from a safe distance with a remote gate arm.
Trailer-Mounted AFAD
Our AFAD system on a convenient trailer platform for enhanced portability and durability.