TRANSYT-7F is a traffic simulation and signal timing optimization program. The primary application of TRANSYT-7F is signal timing design and optimization. TRANSYT-7F features genetic algorithm optimization of cycle length, phasing sequence, splits, and offsets. TRANSYT-7F combines a detailed optimization process (including genetic algorithm, multi-period, and direct CORSIM optimization) with a detailed macroscopic simulation model (including platoon dispersion, queue spillback, and actuated control simulation).
TRANSYT-7F is an acronym for TRAffic Network StudY Tool, version 7F. The original TRANSYT model was developed by the Transport Research Laboratory in the United Kingdom. TRANSYT, version 7 was "Americanized" for the Federal Highway Administration (FHWA); thus the "7F." The TRANSYT-7F program and the original TRANSYT-7F manual were developed for the Federal Highway Administration (FHWA) under the National Signal Timing Optimization Project (NSTOP) by the University of Florida Transportation Research Center (TRC). TRANSYT-7F continues to undergo further development, and is currently maintained by the University of Florida's McTrans Center.
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