The World’s Leading PTS System


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SQ3TS Portable Traffic Signal Setup

Twelve steps for fast and easy
2 signal / 2 trailer PTS setup

SQ3TS® Portable Traffic Signals



SQ3TS Type TR1 PTS
The Versatile Portable Traffic Signal

The SQ3TS Portable Traffic Signal System combines fast efficient setup with highly reliable performance. The multitude of modular add-on components makes the SQ3TS the most versatile portable traffic signal system available today. The SQ3TS is the smart choice for a wide variety of short and long term traffic control applications. From a simple one lane bridge repair project to complete intersection control the SQ3TS has the attributes to provide safe efficient traffic control.

The Sq3TS Portable Traffic Signal meets and exceeds NEMA TS-5 specifications for Type TR1 PTS.

Component Options

Horizon Signals are engineered from the ground up to be component-based systems.  The SQ3TS is available with a wide variety of optional components, enabling you to meet your specific project requirements.  Click here for more information.

Innovative Applications

As the most versatile Portable Traffic Signal in the world, the SQ3TS is easily adapted to unique applications. For example, the system can be configured to wirelessly communicate with permanent intersection control systems in the event of a signal knockdown, traffic pattern reconfiguration, or nearby construction requiring synchronization of signals.  The SQ3TS’s quick and easy deployment means your intersection can be back up and running in no time.


PTS System

Innovative Advancements in Work Zone Safety Technology

Portable Traffic Signal California

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SQ3TS Features and Benefits

  • Conforms to NEMA TS5 performance standards
  • Conflict monitoring
  • Video motion and in-ground loop actuation ready
  • Data logger records signal functions
  • Complies with AASHTO 90mph wind load requirement
  • High quality heavy duty signal trailer design
  • Durable aluminum signal heads
  • Secure reliable long range wireless communication system
  • Fast efficient setup
  • Tandem tow signal trailers with electric brakes
  • Heavy duty electro hydraulic lift system
  • Heavy duty structural steel mast arm
  • Signal heads rotate 180 degree
  • Lifting ring for lift and place deployment
  • Year round operation regardless of location or climate
  • Controls multiple traffic phases
  • 440 watts of solar collection capacity
  • Equipped with batteries sufficient for 30 day autonomous run time

SQ3TS is tandem towable

MUTCD Recommended for use as temporary traffic control

MUTCD Compliant

17′ 9″ (5 m) over the road clearance to bottom of signal

5 m Road Clearance

Quick & easy one-touch hydraulic lifting mechanism

1 touch lift

Portable Traffic Signal Applications

Component Options

  • Message Board Interface

    Message Board Interface System

    A message board can be connected to the SQ3TS that provides motorists with an advanced notice of a signal ahead.

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  • Advanced Remote Monitoring

    Advanced Remote Monitoring System

    Allows an authorized user to monitor an entire fleet of Portable Traffic Signals for location, voltage, operating hours and system status.

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  • Pre-Emption System

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    Provides a green phase in the direction of  an approaching emergency vehicle. Indication lights will confirm the system is functioning.

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  • Wireless Interface System

    Wireless Interface System

    Allows the SQ3TS to be wirelessly operated from a street corner controller. The System allows for easy signal substitution of a permanent signal.

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  • Video Detection

    Video detection for portable traffic signals

    Combines performance, functionality and ease of use to provide non-intrusive true presence video detection.

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  • Generator Enclosure

    Lockable generator enclosure for Portable Traffic Signal Systems

    Provides backup power for the SQ3TS when operated in areas with limited solar collection capabilities.

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  • Direction Arrow Signals

    Directional arrows for Portable Traffic Signal Systems

    Makes for easy, safe traffic flow through intersections during construction, annual events and seasonal traffic.

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  • Pilot Car Module

    Portable Traffic Signal System Transport Trailer

    Allows a pilot car driver or flagger to operate the SQ2 System remotely using a hand held transmitter with selectable green times.

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Want to find out more about portable traffic signals in your area?

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