The Ideal Flagger Safety PTS System

SQ2® Type TR2 PTS
A True Alternative to Flagging

The SQ2 Portable Traffic Signal System has been designed for fast, efficient deployment without sacrificing quality or versatility.  The software-based operating system conforms to NEMA performance standards and features an integrated conflict monitor, programming storage, and is actuation ready.  Failsafe programming is quick and easy with options for fixed time, actuated, or fully manual modes.  The SQ2 system is ideal for daily or short term traffic control applications, as it provides increased work zone safety while maximizing traffic flow.

The SQ2 Portable Traffic Signal meets and exceeds NEMA TS-5 specifications for Type TR2 PTS.

NCHRP 350 TL-3 Accepted

The Horizon SQ2 is the only Portable Traffic Signal System (PTSS) available that meets NCHRP Crash Testing Level 3 requirements.

Component Options

Horizon Signals are engineered from the ground up to be component-based systems.  The SQ2 is available with a wide variety of optional components, enabling you to meet your specific project requirements.  Click here for more information.

Essential Work Zone Equipment

Features and Benefits

  • Fully MUTCD and NCHRP 350 compliant
  • Conforms to NEMA TS5 performance standards
  • Data logger records signal functions
  • Durable aluminum signal heads
  • Work zone indication light provides visual cues within work area
  • Secure and reliable long-range wireless communication
  • Setup and operational in minutes
  • Heavy duty signal carts
  • Controls multiple traffic phases
  • Solar collection option
  • Optional outrigger package
  • Optional custom transport trailer
  • Actuation ready

NCHRP 350 TL-3 Accepted

Although trailer mounted portable traffic signals are exempt from crash testing, the FHWA has determined that temporary traffic signals mounted on pedestals must be crash tested:
“Temporary traffic signals mounted on bases or pedestals are considered Category II work zone devices as they are similar in overall configuration to portable sign stands that are routinely crash tested.”

The SQ2 has been successfully tested to NCHRP-350 Test Level 3 crash testing requirements by an accredited independent test facility. The successful test report shall has been accepted by the FHWA with supporting documentation available upon request.

The Only Accepted NCHRP 350 TL-3 Category II Device

Easy To Deploy & Remove From any Job Site

The Global Standard for Mobile Traffic Control

SQ2 Applications

Component Options

Transport Trailer

Includes lockdown pegs, custom flooring with painted guide lines, diamond plate stone guard and structural supports.

Solar Package

Use this option to increase battery run time. Also includes the cart outrigger package to add stability and expedites cart leveling.

Remote Control

Can be used in wireless or wired configurations. Wireless range is .5 mile. Wired can be ordered with a 25ft or 50ft cable.

Outrigger Package

Designed to enhance windload capacity and for easy leveling on uneven ground. The outrigger package is can be installed on any SQ2 Cart.