The original flagger safety device. Meet the SQ2®.
Watch the overviewAutomate your work zone
The SQ2 system is the most dependable and user-friendly flagger safety PTS system, enabling work crews to complete projects quicker and safer.
Short-term lane closures
The SQ2 is the perfect alternative to flaggers for short-term work zone projects.
Utility work
The SQ2 enables a safe corridor for utility workers and thoroughfare.
Parking garages
The SQ2 manages traffic flow safely and effectively in even the most confined parking garages.
At a glance
The SQ2 Portable Traffic Signal exceeds NEMA TS-5 specifications for Type TR2 PTS.
Download full spec sheetTransport height
63” (1.6 m)
Deployed height
96” (244 cm)
Cart weight
420 lb. (190 kg)
Cart footprint
31 x 25.5” (79 x 65 cm)
Lamp type
12” (300 mm) Diameter LED
Power source
12V / (2) 12V batteries
Features
Fast deployment & relocation
Easy-up gear lift
Built-in Malfunction Management System
The only crash tested PTS available
A full week of power in a single charge
PERFORMANCE
01
Smart
All of our signals are equipped with our Multi-Signal 2.0 operating system and dual-processor malfunction monitoring system.
02
Simple
The SQ2 is built for fast, easy deployment, relocation. One person can set a work zone in a matter of minutes.
03
Powerful
A single charge powers the signal for a full week, even longer with optional add-ons.
RELIABILITY
01
Crash tested
The SQ2 is the only Portable Traffic Signal that has been successfully crash tested to NCHRP 350 TL-3 standards.
02
Time tested
SQ2 carts are built to last. In fact, most SQ2 systems built 10 years ago are still on the road today.
03
Secure
All Horizon Signal systems operate on a high-speed, secure, closed wireless network equipped with Horizon’s advanced dual-processor Malfunction Management System (MMS).
Efficient
01
Save time
Deploy SQ2 in a matter of minutes so you can get to work quickly and complete your project on time.
02
Save money
SQ2 system allows reduction of overall project costs by replacing a whole flagging crew – NYSDOT analysis showed 66% savings over flaggers.
Trailer Transport
01
Ready to roll out
Our specially built trailers make it easier than ever to transport, store and accommodate charging of up to four SQ2 signals.
Frequently Asked Questions
What types of projects is the SQ2® best suited for?
The SQ2® is ideal for daily and short-term traffic control projects including lane closures, bridge work, haul roads, parking garages, ramp meters, and utility work.
What makes the SQ2® different from other portable traffic signals?
The SQ2® combines a compact, ultra-portable design with advanced traffic control capabilities, making it one of the most user-friendly and dependable portable traffic signal systems available.
Is the SQ2® crash tested?
Yes. The SQ2® is the only crash-tested portable traffic signal system currently available on the market.
Is the SQ2® MUTCD compliant?
Yes. The SQ2® is MUTCD compliant and meets or exceeds NEMA TS-5 requirements for Type 2 portable traffic signals.
How long can the SQ2® run on battery power?
The SQ2® is designed to provide approximately 7+ days of continuous operation depending on configuration and site conditions.
Can the SQ2® be upgraded for specialty applications?
Yes. The SQ2® can be configured for pedestrian crossings, driveway control, ramp metering, haul roads, parking garages and additional intelligent work zone applications.
Does the SQ2® require an operator?
No. The SQ2® is an automated portable traffic signal system that does not require a dedicated operator during normal operation.
Backed by real, (and really passionate) people
Product training
Technical support
Product & sales support
Product availability
On-site or online
On-site training is included with delivery of every Horizon Portable Traffic Signal System. Horizon also offers web-based interactive training and education as well as hands-on training classes.
Learn more
Any question, anytime
Horizon Signal maintains a 24-hour technical support team to immediately address all technical questions. Regional technical support managers are also available to provide localized assistance for fast response times.
Get in touch
Service where you are
Horizon Signal offers equipment and components for rent or purchase with turnkey options and on-site support. We also maintain nine (9) service centers and sales offices throughout North America.
Let us help
Speedy supply
Horizon maintains a strategically located Network of regional distributors and factory direct facilities throughout Canada and the United States for fast delivery of systems and components.
Get the products you need
Product training
On-site or online
On-site training is included with delivery of every Horizon Portable Traffic Signal System. Horizon also offers web-based interactive training and education as well as hands-on training classes.
Learn moreTechnical support
Any question, anytime
Horizon Signal maintains a 24-hour technical support team to immediately address all technical questions. Regional technical support managers are also available to provide localized assistance for fast response times.
Get in touchProduct & sales support
Service where you are
Horizon Signal offers equipment and components for rent or purchase with turnkey options and on-site support. We also maintain nine (9) service centers and sales offices throughout North America.
Let us helpProduct availability
Speedy supply
Horizon maintains a strategically located Network of regional distributors and factory direct facilities throughout Canada and the United States for fast delivery of systems and components.
Get the products you need
















