SQ2 Portable Traffic Signal Cart System

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.

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.


  • Fully MUTCD and NCHRP 350 compliant
  • Conforms to NEMA TS1 performance standards
  • Data logger records signal functions
  • Durable aluminum signal heads
  • work zone indication light provides visual cues within work area
  • Secure reliable long range wireless
  • 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
SKU: sq2 Category:
Rental Package