World Leader in Pedestrian Crosswalk & Traffic Safety Innovation
LightGuard ON DUTY 24/7™
LightGuard Systems, Inc.
2292 Airport Boulevard
Santa Rosa, CA 95403
707-542-4547
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San Francisco City Hall
Technical Resources

LightGuard PatentUnited States Patent
The patents under which LightGuard Systems® Inc., operates specifically state the following: "Grants to the person(s) having title to this patent the right to exclude others from making, using, offering for sale, or selling the invention throughout the United States of America or importing the invention into the United States of America for the term set forth below, subject to the payment of maintenance fees as provided by law. ⇒ See "Sole Source Justification" PDF

 

Installation Manual
the installation manual contains complete instructions on how to properly install any of our LED signs, in-pavement signal lights, solar powered systems, or any other components related to IRWL enhanced crosswalk systems.⇒ Read More

General Specifications
Bid specifications are critical to determining the exact nature of the crosswalk systems desired for a particular location. These are generic specifications written to provide easy-to-follow guidelines when developing bid package specifications.

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Studies Reports
To date there have been numerous studies determining the effectiveness of IRWL enhanced crosswalk systems in a variety of settings. There have been various types of studies comparing overhead signal lights to in-pavement signal lights. Studies have been conducted to determine where to place and under what conditions to place IRWL enhance crosswalk systems.  All these studies lead to the same conclusion: the incidence of conflict between pedestrians and vehicles is markedly decreased.⇒ Read More

FAQ

Frequently Asked Questions

  • Who is LightGuard Systems, Inc.?
  • What is the LightGuard System?
  • Why is a patent important?
  • Has the LightGuard System been tested?
  • What are the components of the LightGuard System?
  • How much does the LightGuard System cost?
  • Is the LightGuard System easy to maintain?
  • Is the LightGuard System easy to install?

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Terminology

This section provides descriptions of the various terms, acronyms utilized, and defines verbiage specific to the transportation industry. ⇒ Read More

MUTCD

This section provide excerpts from the Federal manual and a downloadable PDF page of the In-Roadway Warning Lights, Section 4L. ⇒ Read More

Engineering References

Our engineering department is versatile in designing, developing, and implementing custom applications for a wide variety of situations. When unusual, creative applications are needed, we can often innovate new ideas. ⇒ Read More

IRWL

This section contains a description of how to design IRWL enhanced crosswalk systems, how to properly select equipment components, and suggested layout diagrams for various types of crosswalk applications. ⇒ Read More

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