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Solar Max Highway Advisory Radio

Products / Highway Advisory Radio / Solar Max


By the time a driver is in the middle of a traffic jam, information on how to avoid it may be useless. Smart highway management means getting the message to drivers before they encounter delays -- and add to traffic problems.

Whether you're managing a construction site, a temporary incident, an inclement weather evacuation or a frequently congested traffic area, Solar Max by Highway Information Systems can help keep traffic flowing by broadcasting up-to-the-minute AM radio advisories to motorists. When the job is finished, moving Solar Max to the next project is as easy as hooking up a trailer.

The Solar Max mobile highway advisory radio system can broadcast messages to motorists typically three to five miles away -- enough time to improve merging traffic or to offer alternate routes. (The range of your station may be greater or less depending on several factors.) Should conditions vary, messages can be changed remotely with a quick call from any cellular or touch-tone telephone.


Powered by an environmentally safe solar system, Solar Max stores energy in high-performance, Absorbed Glass Mat (AGM) batteries to provide dependable service around the clock and during extended periods of inclement weather. The on-board digital recorder can preserve messages for years with no external power source. That means no fuel, no land-line utilities, no noise, no maintenance -- and no lost messages.

A rugged, solid-state design enables Solar Max to provide years of service. Because it's manufactured by Highway Information Systems, Solar Max comes standard with a five-year limited warranty on parts and labor.


Even in outdoor storage, Solar Max is charging the batteries so you can be set up and on the air in minutes. You can easily record comprehensive messages and use Solar Max in concert with variable message signs to allow motorists to receive constant updates about the road ahead.

After your purchase, experts at Highway Information Systems will help you get set up on site and show you the most effective ways to use Solar Max. Support from our technical staff -- from FCC licensing applications to site surveys to specialized training -- is only a toll-free call away.

  • Easy to Operate
  • Robust Design
  • Simple to assemble and disassemble
  • Provides flexibility of multiple sites due to mobility Communicate to motorist across your state
  • Designed for years of operation
  • Components can be added at anytime

  • DOTs
  • DOD/Military Applications
  • Incident Management
  • Tourism
  • Weather Notification
  • Emergency Evacuations