InstAlert Variable Message Signs

Portable variable message signs for post, pole, trailer or hitch.

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Quick Setup InstAlert Variable Message Signs

InstAlert variable message signs are the fastest, easiest way to tell the public exactly what it needs to know. Lightweight and sturdy, the portable InstAlert 18 and 24 variable message signs go wherever you need the InstAlert 24 is are the only VMS that folds in half to fit in your vehicle trunk!

InstAlert variable message signs are web-enabled and TraffiCloud-ready. Program your InstAlert from any Internet-connected device using the TraffiCloud web-based Remote Management Service. No more driving to each message sign to change messages. Easily change and sync messages in real-time, confirm each sign’s location and get alerts for tampering and low batteries.

  • Message Versatility: Full-matrix sign makes it easy to display multiple screens of text, graphics chevrons, and custom images.
  • Simple, Universal Mounting: Mount InstAlert 18 and 24 variable message signs almost anywhere.
  • Durable Construction: Extremely rugged and durable.
  • Multiple Power Options: The unit accommodates almost any power source.
  • Flexible Scheduling: Schedule up to 50 different messages.
  • Change Sign Messages Simultaneously: Update one or all of your sign messages in real-time with just a few clicks.
 InstAlert Variable Message Signs Offer:
A Event Parking Stand
  • Conditional sensor messaging, allows you to display different messages based on live inputs including road surface or air temperatures, timer values, vehicle weights, water levels, and available parking spaces
  • InstAlert variable message signs can communicate with all your devices and sensors regardless of manufacturer
  • Using ATS Time-to-Destination Technology you can share live travel times for custom routes updated continuously on your sign, without the need for fixed sensor infrastructure

Portable, Web-enabled Variable Message Signs

  • Most portable MUTCD-compliant variable message sign available
  • Portable use or simple permanent installation
  • TraffiCloud-ready so you can manage your sign from anywhere
  • Perfect for emergency management teams, work zones directing drivers to available parking

Instalert 18 Vs Instalert 24 Specifications:

  • InstAlert 18:
    • DIMENSIONS: 30” x 20” x 2.74”
    • WEIGHT: 29 lbs.
    • TEXT:
      • 1 line: 10.25” H x 5.75” W characters, four per line
      • 2 lines: 7” H x 4” W characters, six per line
  • InstAlert 24:
    • DIMENSIONS: 60” x 28” x 1.63”
    • WEIGHT: 43 lbs.
    • TEXT:
      • 1 line: 10.25” H x 5.75” W characters, four per line
      • 2 lines: 7” H x 4” W characters, six per line


Additional information

Weight N/A
Dimensions in

Portable Post, Hitchmount


InstAlert 18, InstAlert 24 (folds)


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