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The breakthrough is here.
Meet the SQ2®.

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The original flagger replacement device

The SQ2 system is the most dependable and user-friendly flagger safety PTS system, enabling work crews to complete projects quicker and safer.

SQ2 Shorttermlaneclosures
Short-term lane closures

The SQ2 is the perfect alternative to flaggers for short-term work zone projects.

Sq2 Utilitywork
Utility work

The SQ2 enables a safe corridor for utility workers and thoroughfare.

Q2 Parkinggarage
Parking garages

The SQ2 manages traffic flow safely and effectively in even the most confined parking garages.

Add the SQ2 to your crew

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At a glance

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

Download full spec sheet

Transport 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

Equip your SQ2 with optional extras

SQ2 Enclosed Transport Trailer
SQ2 Enclosed Transport Trailer
Download product sheet
SQ2 Open Transport Trailer
SQ2 Open Transport Trailer
Download product sheet
SQ2 Solar & Outrigger Package
SQ2 Solar & Outrigger Package
Download product sheet
Wireless Remote Control
Wireless Remote Control
Download product sheet
Advanced Remote Monitoring
Advanced Remote Monitoring
Download product sheet
Pedestrian Crosswalk Signal
Pedestrian Crosswalk
Download product sheet
Cabled Remote Control
Cabled Remote Control
Download product sheet
Flagger:Pilot Car Module
Flagger/Pilot Car Module
Download product sheet
DAD
Driveway Assistance Device
Download product sheet

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.

SQ2 1

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).

SQ2 Image

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.

Sq2 Effieciency

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.

Sq2Trailer

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
Product Training Slider
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
Tech Support Slider
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
Product Support
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 Availability Slider
Product training
Product Training Slider
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
Technical support
Tech Support Slider
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
Product & sales support
Product 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 help
Product availability
Product Availability Slider
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