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Page count: 23

The main objective of the Fuzzy Variable Speed Limit Device (FVSLD) Project was to demonstrate that fuzzy logic is well-suited to the design and implementation of a variable speed limit (VSL) system dedicated to speed management on rural highways. This objective was demonstrated through the creation of a real-time fuzzy control system that could continuously display highway speeds that are appropriate to the atmospheric and road surface conditions that exist at any given time at locations of interest. The software that implements the control system was the main product of the project although a micro-controller based hardware prototype of the final fuzzy control system was also created. The geographical area of concern for the project was the I-40 corridor in rural northern Arizona.