ISO 9001:2008American traffic safety Services Association

PTL 2.4x Portable Traffic Signal

Dual signal heads with custom features and controls
tailored to your applications

Reliable 365-day operation • Cost-effective • USA: MUTCD compliant •
Canada: HWTA and Book 7 compliant




  • User friendly setup and configuration
  • Power extendable mast arm
  • Electric powered system raises signal post


  • Manufactured in ISO certified facility
  • Durable aluminum signal pole
  • 1 year factory warranty


  • Removable tongue
  • Tow in tandem
  • Powerful radio communication system
  • Solar panels tilt and rotate


  • Thousands of projects and counting
  • Up to 30 days of operation without sunlight



L= 139” (without tongue)
     178” (with tongue)

W= 85”

H= 94” (travel)
     257-293” (operating)

Signal Head Measurements:

  • Standard Heads
    • Center of Upper Signal (Head 1) to Center of Vertical Mast = 161” (extended)
    • Height of Upper Signal (Head 1) from Roadway= 204” minimum,  240” Maximum*
  • Raised Heads
    • Center of Head 1 to Center of Vertical Mast = 195” (fully extended)
    • Center of Head 1 to Center of Head 2 = 120” (fully extended)
    • Height of Head 1  Head from Roadway= 204” minimum,  240” Maximum*

Computer Components (Controller, Malfunction Management Unit and Transfer Flasher Relay)

  • Rated for temperatures of -40 C to +50 C
  • Consists of an three independent components:
    • Controller,
    • Malfunction Management Unit (MMU)
    • Transfer Flasher Relay (TFR aka Flasher Transfer Relay)
  • The Controller and MMU can be removed while the TFR drives the signals in default mode.
  • Cycle times and plans are backed up and restored from the MMU in the event of a controller replacement.
  • MMU continually checks for data corruption, communication failures and conflicting signals
  • The controller has a 3” x 4” backlit LCD display.
  • Capable of interface with TS1/TS2 controllers with additional equipment

Controller Features

  • Controller menu displays the following:
    • Signal status
    • Cycle time countdown
    • Battery voltage
    • Actuation status
    • Time of Day Plan
    • Radio communication
    • System Faults
  • Actuation inputs for microwave sensors or loop detection
  • User configurable Red, Amber, Minimum Green and Maximum Green timing
  • User adjustable turn phases
  • 6 different time of day plans with cycle time adjustment based on time of day and day of week
  • Hardwire input for interconnect with railroad crossing devices with message display “Hold for railroad” upon detection.
  • Seven  selectable radio channels
  • Hardwire communication connection capable
  • Audible low battery alarm sounds when voltage drops below predefined limit.
  • Adjustable vehicle extension times
  • Password protection
  • User selectable default modes of Solid or Flash red
  • Audible feedback when buttons are pushed
  • User adjustable Red, Amber, Minimum Green and Maximum Green times


  • Wires meet applicable SAE, UL and ITE standards.
  • Wire connectors meet standards for applicable UL standards.
  • Terminal blocks are coated to prevent corrosion

Solar Panel

  • 390 watt fully adjustable solar array
  • Panels are welded to the mounting bracket for theft prevention
  • Panel mounting bracket is secured to the trailer by way of antitheft mechanism
  • Housed in anodized aluminum frame
  • UL1703, IEC 61215, VDE  Certification
  • Manufactured under ISO9001 and ISO14001 standards
  • Maximum Power 390 watts
  • Tolerance +10% /-5%
  • Maximum Power Voltage 17.3 Volts
  • Maximum Power Current 22.53 Amps
  • Open Circuit Voltage 21.6 Volts
  • Short-Circuit Current 25.02 Amps
  • Loss of output is 10% or less within 12 years and less than 25% within 25 years
  • Ammeter in-line with solar array indicates charge rate
    • Solar Panel Testing and Certification
      • Thermal cycle testing
      • Thermal shock test
      • Thermal/Freezing and high humidity cycling test
      • Electrical isolation test
      • Hail impact test
      • Mechanical, wind and twist loading test
      • Salt mist test
      • Light and water-exposure test
      • Field exposure test

Power Supply

  • 12 six Volt deep cycle batteries with 232 amp hours of storage
  • 12 Volt power system
  • Built in 110V 100 amp charger with external plug
  • Batteries housed in a lockable steel box upgradeable to 16 batteries
  • Batteries secured with steel lockdowns
  • Able to operate 30 days without solar power based on 16 battery configuration

Radio Transmitters

  • Radio transmitters are rated to operate in environments up to 90% humidity in temperatures ranging from -40 to +85 C
  • Radio has spread spectrum frequency hopping with 10 available patterns to reduce interference.
  • Radio components are certified as compliant with FCC (Part 15, Subpart C, Section 15.247 Frequency Hopping Spread Spectrum Operating in 902-928 MHz Band)


  • Signal is comprised of Light Emitting Diodes (LED)
  • LED signals are 12” in diameter
  • Signals are 12Volt and comply with ITE standards
  • LED signals are certified as compliant with FCC (47 CFR, Part 15:2006 15.109, Class A)
  • Life expectancy of signal is 100,000 hours
  • Signals are contained in an ITE certified polycarbonate housing with an aluminum backboard (black and yellow housings available)
  • Visors extend over each signal by 10 inches
  • 4” amber LED beacon mounted on rear of signal head provides status of signal by flashing when the signal is green and staying solid when the signal is red.
  • Upper signal head mounted with 17-20 ft clearance to the ground
  • Lower signal head mounted with 8 ft clearance to the ground

Radio Remote Control

  • Weighs less the 0.5 lbs
  • Powered by 4 AA batteries that last from 6-24 months dependent on usage
  • Splash proof
  • 2 seconds button delay to prevent accidental pushing
  • Red LED light confirms receipt of signal upon press of button
  • Radio remote control stored in a nylon pouch with belt clip and spare battery pouch

Powder Coat and Steel Preparation

  • Short blasting
  • Dry-off and cure oven
  • Painting procedures comply with ASTM B117 specifications for resistance to salt air environment.

Trailer and Signal Posts

  • Welding performed and inspected by certified welders
  • Wind load rating of 80 mph
  • Torsion bar suspension
  • 15” tires
  • Removable tongue
  • Electric brakes
  • Walk-on steel fenders with grit tape
  • Aluminum vertical and horizontal signal posts
  • Horizontal signal post can be extended 44” over laneway by way of an electric actuator
  • Signal heads rotate 180 degrees
  • Trailer equipped with regulatory markers and lights
  • Controller and batteries housed in lockable steel cabinets

Add-on Equipment

GPS/Cellular Response System (Not included on standard model)

  • Digital cellular response system with external antenna communicates system faults to  4 different cell phone numbers by text message and sends message to 4 email addresses.
  • GPS system allows for the tracking of the primary unit via secured website

*Satellite based response system available for areas that do not have cellular access

Microwave Traffic Sensors (Not included on standard model)

  • The microwave traffic sensors are model TC-26B manufactured by MS-Sedco
  • Sensors have adjustable settings for range and delay
  • The controller has user adjustable vehicle extensions times

Video Traffic Detection (Not included on standard model)

  • Housing: IP67, UV resistant, shock & vibration NEMA II specs
  • Configuration via dedicated software on portable PC
  • USB connectivity
  • Up to 8 direction sensitive vehicle presence detection zones
  • Multiple direction sensitive detection zones and detection outputs

3M OPTICOM® Compatible Emergency Preemption

  • Detects Emergency Vehicle and opens access gate to allow quick entry
  • Allows emergency vehicles faster response times in time-critical situations
  • Interfaces with the TOMAR model 780–1228–PRE or 3M OPTICOM® traffic preemption optical signal emitters

Audible Emergency Preemption

  • Determines the direction of approaching vehicle, notifies the traffic controller of priority request
  • Clears the request after vehicle passes through the intersection/workzone
  • Programmable for vehicle distance, siren type, siren frequency and period
  • Event/data log of signal preemption actions, power, and system resets



Hand Held Remote Control

Allows your workers to stop and start traffic at anytime with the push of a button. When your crew needs to bring a truck into the open lane they just push the Red button to stop the oncoming cars and the green button to restart automatic control

Traffic Detection

Video detection and microwave sensor systems are available. Improves traffic flow through the workzone by detecting vehicles and adjusting the timing based on the traffic volume

Emergency Preemption Sensors

Detects any emergency vehicle. Audible and optical detection systems are available. The sensors will tell the signals to give the right of way to the approaching emergency vehicle

Emergency Cellular Response/GPS

Sends a text message to your cell phone if there is ever a problem with the signal. The devices will also log these notices on a secure web server with the time, date and GPS location. The GPS module will allow you to track the location of the units at anytime

Battery Upgrade

Provides your portable traffic signal with 25% more battery capacity. This will allow you to operate for longer periods of time under poor weather conditions

Knock Down Option

Special hardware allows for direct connection to existing traffic signal controllers. This allows the user to easily tie into an existing intersection in the event that there has been a signal failure.

Ped Head (Portable Pedestrian Crossing Signal)

Keep pedestrians safe during construction projects with high intensity Walk and Stop signals integrated with your portable traffic light system. (Learn more here.)


Contact us for expert assistance with all your needs for portable traffic control systems.