David R Johnson

Title: David R Johnson – Innovator in Traffic Signal Management

Introduction

David R Johnson is an accomplished inventor based in Oakdale, MN, holding an impressive total of 20 patents. His work primarily focuses on the realm of traffic signal management, contributing significantly to innovations that enhance the efficiency and safety of road intersections.

Latest Patents

Among his latest patents, Johnson has developed systems for monitoring traffic signal preemption. One such embodiment involves a computer system that displays a road map featuring various roads and intersections. This system periodically receives preemption data from controllers at intersections and updates the map accordingly. As a result, the map incorporates traffic signal icons, providing visual feedback for vehicles making preemption requests. Another noteworthy patent pertains to the control of traffic signal phases. This system allows for the management of traffic signals in two distinct modes, accommodating transit priority signals to optimize traffic flow in favor of designated transit vehicles.

Career Highlights

Throughout his career, David has worked with prominent companies such as Unisys Corporation and Global Traffic Technologies, LLC. His inventions and research efforts have played a crucial role in improving urban traffic systems and minimizing congestion.

Collaborations

In his professional journey, David has collaborated with notable colleagues, including James R McBreen and Charles R Caldarale. These partnerships have been instrumental in pushing the boundaries of traffic signal technology and contributing to innovative solutions in urban planning.

Conclusion

David R Johnson continues to impact the field of traffic innovation with his patented technologies and collaborative efforts. His dedication to enhancing traffic signal management not only reflects his talent as an inventor but also his commitment to improving the driving experience for all road users.