Carmanah| Polara| EDI| Diablo


Leading the pack in life-saving progressive technology.

Since 1980

We’re setting the standard by which all traffic control systems are measured.

In business since 1980, Eberle Design, Inc. (EDI) is recognized as a worldwide developer and manufacturer of reliable high-performance component products designed to enhance and augment traffic control systems. The EDI array of products including signal monitors, vehicle detectors, power supplies, flashers, load switches, and other vital infrastructure devices enables transportation professionals to integrate, automate, and manage traffic highways and intersections easily, efficiently and safely.

All EDI electronic products are manufactured in the USA and comply with the requirements of Section 1605 of the ARRA Buy American Act.

The Reno Brand
In 2012, EDI acquired Reno A&E, adding complementary products and additional distribution partners. An established engineering company dedicated to advancing and improving traffic and parking control systems around the globe, Reno A&E’s products are the front-runner in loop detection system technology and continues to set the standard for safety and quality in traffic and parking control systems. Every component in the Reno brand reflects a dedication to excellence, along with proprietary innovation that revolutionizes traffic safety and control. We’re proud to offer these premium products, alongside our industry-leading support services.



We exist to make it easy for our customers to do their job and save lives.

High Product Reliability

EDI is a top global developer and manufacturer of reliable high-performance electronic solutions designed to enhance and augment traffic control systems.

Just-in-time Product Supply

EDI keeps product stock on the shelf and ready to ship allowing customers to save money by reducing the goods and materials they have to keep on hand.

Superior Service

The way EDI defines superior customer service is to understand that we must go above and beyond our customer's expectations during each interaction.

Standards Leadership

EDI believes that Standards play a vital part in the design, production, and distribution of products destined for both national and international commerce and benefit all by improving safety.

Partner-Centric Product Innovation

EDI has introduced numerous new innovative products including many industry firsts. The latest is the ATC Cabinet (ATCC), an open architecture traffic control cabinet based on the ITE/NEMA/AASHTO ATC suite of standards.

Continuous Improvement

The PDCA process. Plan: Identify an opportunity and plan for change. Do: Implement the change on a small scale. Check: Use data to analyze the results. Act: If the change was successful, implement on a wider scale.

See the difference.

The EDI Difference.

Eberle Design, Inc. (EDI) is located in Phoenix, Arizona, USA and has been a manufacturer of transportation control products since 1980. The company was founded with a commitment to total customer satisfaction and thorough quality control. It is this manner of business that has helped make Eberle Design the broad-line industry leader in traffic control and access control products.

EDI provides traffic control and access professionals with reliable hi-tech component products (signal monitors, vehicle detectors, power supplies, load switches, flashers, bus interface units, and detector harnesses) that offer value-added benefits for traffic signal cabinets as well as gate, parking, and/or door operators. These benefits include built-in set-up and diagnostic tools which literally save technicians time and money to accurately install and trouble-shoot these mission critical systems, thus banking budgeted dollars and maximizing profits.


ISO 9001:2015 Certified

Eberle Design is pleased to announce that it has achieved continued certification to ISO 9001:2015 quality systems standards. The registration by Management Certification of North America, Ind., includes all sales, marketing, customer service, engineering and manufacturing facilities and functions.

Eberle Design ISO 90012015 Certificate 8DEC2022


The Management of Eberle Design Inc. is committed to quality and continual improvement in all areas of the organization.

Management, working as a team with the involvement of all employees in the continual quality improvement process ensures that the company goals for quality, efficiency and customer satisfaction are met.

The EDI target for quality is to maintain and to improve the quality of products and service, in order to consistently meet or exceed customer requirements and internal needs.

Under observance of the aforementioned, customer satisfaction is the main priority of the company: We will be our customers’ preferred supplier.

President’s Quote

“We are grateful for the vision 40 years ago of Terry Eberle, that there was a real need to monitor intersection safety. We take that mission seriously today in each of our products.” 

EDI continues to develop new products that take advantage of technological and design advancements which keeps Eberle at the forefront of transportation innovation.

Creating Lasting Relationships

Our Associations